Apparatus and method for reestablishing previously established settings on the controls of an audio mixer

Claim 1

A method for determining and recording the settings on the controls of a circuit in an audio mixer, wherein said circuit processes audio signals and comprises an input and output, wherein said controls control the value of at least one parameter of said audio signals through said circuit, wherein said method comprises: (a) transmitting a first test signal defined by at least one parameter through said input into and through said circuit during said first period of time; and (b) recording said first test signal at said output of said circuit during said first period of time.

Claim 2

A method for determining and recording the settings on the controls of a circuit in an audio mixer, wherein said circuit processes audio signals and comprises an input and output, wherein said controls control the value of at least one parameter of said audio signals through said circuit, wherein said method comprises: (a) transmitting a first test signal defined by at least one parameter through said input into and through said circuit during said first period of time; and (b) recording said first test signal at said output of said circuit during said first period of time.

Claim 10

A method of reestablishing previously established settings on the controls of an audio mixer, wherein said audio mixer comprises at least one input channel and at least one output channel associated with said at least one input channel, wherein said controls control the value of at least one parameter of signals transmitted from said at least one input channel to said at least one output channel, wherein said method comprises the steps of: (a) transmitting a first test signal defined by at least one parameter through said at least one input channel during a first time period; (b) recording said first test signal at said at least one output channel during said first time period; (c) transmitting a second test signal through said at least one input channel during a second time period later than said first time period, wherein said second test signal is defined by at least one parameter substantially identical to said at least one parameter of said first test signal; (d) comparing said second test signal at said at least one output channel during said second period of time with said recorded first test signal; and (e) altering the settings of said controls during said second time period in the event that the value of said at least one parameter of said second test signal at said at least one output channel during said second period of time is different than the value of said at least one parameter of said recorded first test signal so that the value of said at least one parameter of said second test signal at said at least one output channel is substantially identical to the value of said at least one parameter of said recorded first test signal, wherein said method further comprises the steps of: establishing a first setting for said controls of said audio mixer before step (a); establishing a second setting for said controls of said audio mixer after step (b) and before step (c); and reestablishing said first setting by performing step (e), wherein said first test signal is defined by a plurality of parameters, and wherein said second test signal is defined by a plurality of parameters substantially identical to said plurality of parameters defining said first test signal, wherein said controls comprise means for altering the values of said pluraity of parameters of said first and second test signals as said first and second test signals are transmitted from said at least one input channel to said at least one output channel, wherein step (e) comprises the step of: altering the settings of said controls during said second time period in the event that the value of at least one of said plurality of parameters of said second test signal at said at least one output channel is different from the value of a substantially identical parameter of said recorded first test signal so that the value of each of said plurality of parameters of said second test signal at said at least one output channel is substantially identical to the value of a substantially identical parameter of said recorded first test signal.

Claim 11

A method of reestablishing previously established settings on the controls of an audio mixer, wherein said audio mixer comprises at least one input channel and at least one output channel associated with said at least one input channel, wherein said controls control the value of at least one parameter of signals transmitted from said at least one input channel to said at least one output channel, wherein said method comprises the steps of: (a) transmitting a first test signal defined by at least one parameter through said at least one input channel during a first time period; (b) recording said first test signal at said at least one output channel during said first time period; (c) transmitting a second test signal through said at least one input channel during a second time period later than said first time period, wherein said second test signal is defined by at least one parameter substantially identical to said at least one parameter of said first test signal; (d) comparing said second test signal at said at least one output channel during said second period of time with said recorded first test signal; and (e) altering the settings of said controls during said second time period in the event that the value of said at least one parameter of said second test signal at said at least one output channel during said second period of time is different than the value of said at least one parameter of said recorded first test signal so that the value of said at least one parameter of said second test signal at said at least one output channel is substantially identical to the value of said at least one parameter of said recorded first test signal, wherein said method further comprises the steps of: establishing a first setting for said controls of said audio mixer before step (a); establishing a second setting for said controls of said audio mixer after step (b) and before step (c); and reestablishing said first setting by performing step (e), wherein said first test signal is defined by a plurality of parameters, and wherein said second test signal is defined by a plurality of parameters substantially identical to said plurality of parameters defining said first test signal, wherein said controls comprise means for altering the values of said pluraity of parameters of said first and second test signals as said first and second test signals are transmitted from said at least one input channel to said at least one output channel, wherein step (e) comprises the step of: altering the settings of said controls during said second time period in the event that the value of at least one of said plurality of parameters of said second test signal at said at least one output channel is different from the value of a substantially identical parameter of said recorded first test signal so that the value of each of said plurality of parameters of said second test signal at said at least one output channel is substantially identical to the value of a substantially identical parameter of said recorded first test signal.

Claim 12

A method of reestablising previously established settings on the controls of an audio mixer, wherein said audio mixer comprises at least one input channel and at least one output channel associated with said at least one input channel, wherein said controls control the value of at least one parameter of signals transmitted from said at least one input channel to said at least one output channel, wherein said method comprises the steps of: (a) transmitting a first test signal defined by at least one parameter through said at least one input channel during a first time period; (b) recording said first test signal at said at least one output channel during said first time period; (c) transmitting a second test signal through said at least one input channel during a second time period later than said first time period, wherein said second test signal is defined by at least one parameter substantially identical to said at least one parameter of said first test signal; (d) comparing said second test signal at said at least one output channel during said second period of time with said recorded first test signal; and (e) altering the settings of said controls during said second time period in the event that the value of said at least one parameter of said second test signal at said at least one output channel during said second period of time is different than the value of said at least one parameter of said recorded first test signal so that the value of said at least one parameter of said second test signal at said at least one output channel is substantially identical to the value of said at least one parameter of said recorded first test signal, wherein said method further comprises the steps of: establishing a first setting for said controls of said audio mixer before step (a); establishing a second setting for said controls of said audio mixer after step (b) and before step (c); and reestablishing said first setting by performing step (e), wherein one of said plurality of parameters defining said first and second test signals comprises the amplitude of said first and second test signals, respectively, and another of said plurality of parameters defining said first and second test signals, comprises the frequency of said first and second test signals, respectively, wherein said controls comprises means for controlling said amplitude and said frequency of said first and second test signals transmitted from said at least one input channel to said at least one associated output channel, wherein step (b) comprises the step of recording said amplitude of said first test signal at a plurality of frequencies at said at least one output channel during said first period of time; wherein step (d) comprises the step of comparing said amplitude of said second test signal at said at least one output channel during said second period of time at a plurality of frequencies with said amplitude of said recorded first test signal at the same plurality of frequencies; and wherein step (e) comprises the step of altering the settings of said amplitude and/or frequency control means in the event that the amplitude of said second test signal at said at least one output channel at at least one frequency is different than the amplitude of said recorded first test signal at that same frequency so that the amplitude of said second test signal at said at least one output channel at said plurality of frequencies is substantially identical to the amplitude of said recorded first test signal at the same plurality of frequencies.

Claim 13

A method of reestablising previously established settings on the controls of an audio mixer, wherein said audio mixer comprises at least one input channel and at least one output channel associated with said at least one input channel, wherein said controls control the value of at least one parameter of signals transmitted from said at least one input channel to said at least one output channel, wherein said method comprises the steps of: (a) transmitting a first test signal defined by at least one parameter through said at least one input channel during a first time period; (b) recording said first test signal at said at least one output channel during said first time period; (c) transmitting a second test signal through said at least one input channel during a second time period later than said first time period, wherein said second test signal is defined by at least one parameter substantially identical to said at least one parameter of said first test signal; (d) comparing said second test signal at said at least one output channel during said second period of time with said recorded first test signal; and (e) altering the settings of said controls during said second time period in the event that the value of said at least one parameter of said second test signal at said at least one output channel during said second period of time is different than the value of said at least one parameter of said recorded first test signal so that the value of said at least one parameter of said second test signal at said at least one output channel is substantially identical to the value of said at least one parameter of said recorded first test signal, wherein said method further comprises the steps of: establishing a first setting for said controls of said audio mixer before step (a); establishing a second setting for said controls of said audio mixer after step (b) and before step (c); and reestablishing said first setting by performing step (e), wherein one of said plurality of parameters defining said first and second test signals comprises the amplitude of said first and second test signals, respectively, and another of said plurality of parameters defining said first and second test signals, comprises the frequency of said first and second test signals, respectively, wherein said controls comprises means for controlling said amplitude and said frequency of said first and second test signals transmitted from said at least one input channel to said at least one associated output channel, wherein step (b) comprises the step of recording said amplitude of said first test signal at a plurality of frequencies at said at least one output channel during said first period of time; wherein step (d) comprises the step of comparing said amplitude of said second test signal at said at least one output channel during said second period of time at a plurality of frequencies with said amplitude of said recorded first test signal at the same plurality of frequencies; and wherein step (e) comprises the step of altering the settings of said amplitude and/or frequency control means in the event that the amplitude of said second test signal at said at least one output channel at at least one frequency is different than the amplitude of said recorded first test signal at that same frequency so that the amplitude of said second test signal at said at least one output channel at said plurality of frequencies is substantially identical to the amplitude of said recorded first test signal at the same plurality of frequencies.

Claim 15

A method of reestablishing previously established settings on the controls of an audio mixer, wherein said audio mixer comprises at least one input channel and at least one output channel associated with said at least one input channel, wherein said controls control the value of at least one parameter of signals transmitted from said at least one input channel to said at least one output channel, wherein said method comprises the steps of: (a) transmitting a first test signal defined by at least one parameter through said at least one input channel during a first time period; (b) recording said first test signal at said at least one output channel during said first time period; (c) transmitting a second test signal through said at least one input channel during a second time period later than said first time period, wherein said second test signal is defined by at least one parameter substantially identical to said at least one parameter of said first test signal; (d) comparing said second test signal at said at least one output channel during said second period of time with said recorded first test signal; and (e) altering the settings of said controls during said second time period in the event that the value of said at least one parameter of said second test signal at said at least one output channel during said second period of time is different than the value of said at least one parameter of said recorded first test signal so that the value of said at least one parameter of said second test signal at said at least one output channel is substantially identical to the value of said at least one parameter of said recorded first test signal, wherein said method further comprises the steps of: establishing a first setting for said controls of said audio mixer before step (a); establishing a second setting for said controls of said audio mixer after step (b) and before step (c); and reestablishing said first setting by performing step (e), wherein one of said plurality of parameters defining said first and second test signals comprises the amplitude of said first and second test signals and another of said plurality of parameters defining said first and second test signals comprises the frequency of said first and second test signals, wherein said controls comprises an equalizer for controlling said amplitude of said first and second test signals at a plurality of frequencies after said first and second test signals are transmitted to said input channel, wherein said equalizer comprises an input and an output, wherein said controls further comprise a mixing fader for controlling the amplitude of said first and second test signals at said output of said equalizer and at said output channel, wherein said mixing fader comprises an input and an output, wherein step (b) comprises the steps of recording said amplitude of said first test signal at a plurality of frequencies at said output of said equalizer during said first period of time, and recording the amplitude of said first test signal at a plurality of frequencies at said output channel; wherein step (d) comprises the step of comparing said amplitude of said second test signal at said output of said equalizer during said second period of time at a plurality of frequencies with said amplitude of said recorded first test signal at the same plurality of frequencies at said output of said equalizer and comparing said amplitude of said second test signal at said output channel during said second period of time at a plurality of frequencies with said amplitude of said recorded first test signal at the same plurality of frequencies at said output channel; wherein step (e) comprises the steps of: (i) altering the setting of said equalizer in the event that the amplitude of said second test signal at said output of said equalizer at at least one frequency is different than the amplitude of said recorded first test signal at that same frequency at said output of said equalizer so that the amplitude of said second test signal at said equalizer output at said plurality of frequencies is substantially identical to the amplitude of said recorded first test signal at said plurality of frequencies at said equalizer output; and (ii) after step (i) altering the setting of said mixing fader in the event that the amplitude of said second test signal at said at least one output channel at at least one frequency is different than the amplitude of said recorded first test signal at that same frequency at said output channel so that the amplitude of said second test signal at said at least one output channel is substantially identical to the amplitude of said recorded first test signal at said plurality of frequencies at said at least one output channel.

Claim 16

A method of reestablishing previously established settings on the controls of an audio mixer, wherein said audio mixer comprises at least one input channel and at least one output channel associated with said at least one input channel, wherein said controls control the value of at least one parameter of signals transmitted from said at least one input channel to said at least one output channel, wherein said method comprises the steps of: (a) transmitting a first test signal defined by at least one parameter through said at least one input channel during a first time period; (b) recording said first test signal at said at least one output channel during said first time period; (c) transmitting a second test signal through said at least one input channel during a second time period later than said first time period, wherein said second test signal is defined by at least one parameter substantially identical to said at least one parameter of said first test signal; (d) comparing said second test signal at said at least one output channel during said second period of time with said recorded first test signal; and (e) altering the settings of said controls during said second time period in the event that the value of said at least one parameter of said second test signal at said at least one output channel during said second period of time is different than the value of said at least one parameter of said recorded first test signal so that the value of said at least one parameter of said second test signal at said at least one output channel is substantially identical to the value of said at least one parameter of said recorded first test signal, wherein said method further comprises the steps of: establishing a first setting for said controls of said audio mixer before step (a); establishing a second setting for said controls of said audio mixer after step (b) and before step (c); and reestablishing said first setting by performing step (e), wherein one of said plurality of parameters defining said first and second test signals comprises the amplitude of said first and second test signals and another of said plurality of parameters defining said first and second test signals comprises the frequency of said first and second test signals, wherein said controls comprises an equalizer for controlling said amplitude of said first and second test signals at a plurality of frequencies after said first and second test signals are transmitted to said input channel, wherein said equalizer comprises an input and an output, wherein said controls further comprise a mixing fader for controlling the amplitude of said first and second test signals at said output of said equalizer and at said output channel, wherein said mixing fader comprises an input and an output, wherein step (b) comprises the steps of recording said amplitude of said first test signal at a plurality of frequencies at said output of said equalizer during said first period of time, and recording the amplitude of said first test signal at a plurality of frequencies at said output channel; wherein step (d) comprises the step of comparing said amplitude of said second test signal at said output of said equalizer during said second period of time at a plurality of frequencies with said amplitude of said recorded first test signal at the same plurality of frequencies at said output of said equalizer and comparing said amplitude of said second test signal at said output channel during said second period of time at a plurality of frequencies with said amplitude of said recorded first test signal at the same plurality of frequencies at said output channel; wherein step (e) comprises the steps of: (i) altering the setting of said equalizer in the event that the amplitude of said second test signal at said output of said equalizer at at least one frequency is different than the amplitude of said recorded first test signal at that same frequency at said output of said equalizer so that the amplitude of said second test signal at said equalizer output at said plurality of frequencies is substantially identical to the amplitude of said recorded first test signal at said plurality of frequencies at said equalizer output; and (ii) after step (i) altering the setting of said mixing fader in the event that the amplitude of said second test signal at said at least one output channel at at least one frequency is different than the amplitude of said recorded first test signal at that same frequency at said output channel so that the amplitude of said second test signal at said at least one output channel is substantially identical to the amplitude of said recorded first test signal at said plurality of frequencies at said at least one output channel.

Claim 31

A method of reestablishing previously estabished settings on the controls of an audio mixer, wherein said audio mixer comprises at least one input channel and at least one output channel associated with said at least one input channel, wherein said controls control the value of at least one parameter of signals transmitted from said at least one input channel to said at least one output channel, wherein said method comprises the steps of: (a) transmitting a first test signal defined by at least one parameter through said at least one input channel during a first time period; (b) recording said first test signal at said at least one output channel during said first time period; (c) transmitting a second test signal through said at least one input channel during a second time period later than said first time period, wherein said second test signal is defined by at least one parameter substantially identical to said at least one parameter of said first test signal; (d) comparing said second test signal at said at least one output channel during said second period of time with said recorded first test signal; and (e) altering the settings of said controls during said second time period in the event that the value of said at least one parameter of said second test signal at said at least one output channel during said second period of time is different than the value of said at least one parameter of said recorded first test signal so that the value of said at least one parameter of said second test signal at said at least one output channel is substantially identical to the value of said at least one parameter of said recorded first test signal, wherein said first test signal is defined by a plurality of parameters, and wherein said second test signal is defined by a plurality of parameters substantially identical to said plurality of parameters defining said first test signal, wherein said controls comprise means for altering the values of said plurality of parameters of said first and second test signals as said first and second test signals are transmitted from said at least one input channel to said at least one output channel, wherein step (e) comprises the step of: altering the settings of said controls during said second time period in the event that the value of at least one of said plurality of parameters of said second test signal at said at least one output channel is different from the value of a substantially identical parameter of said recorded first test signal so that the value of each of said plurality of parameters of said second test signal at said at least one output is substantially identical to the value of a substantially identical parameter of said recorded first test signal.

Claim 32

A method of reestablishing previously estabished settings on the controls of an audio mixer, wherein said audio mixer comprises at least one input channel and at least one output channel associated with said at least one input channel, wherein said controls control the value of at least one parameter of signals transmitted from said at least one input channel to said at least one output channel, wherein said method comprises the steps of: (a) transmitting a first test signal defined by at least one parameter through said at least one input channel during a first time period; (b) recording said first test signal at said at least one output channel during said first time period; (c) transmitting a second test signal through said at least one input channel during a second time period later than said first time period, wherein said second test signal is defined by at least one parameter substantially identical to said at least one parameter of said first test signal; (d) comparing said second test signal at said at least one output channel during said second period of time with said recorded first test signal; and (e) altering the settings of said controls during said second time period in the event that the value of said at least one parameter of said second test signal at said at least one output channel during said second period of time is different than the value of said at least one parameter of said recorded first test signal so that the value of said at least one parameter of said second test signal at said at least one output channel is substantially identical to the value of said at least one parameter of said recorded first test signal, wherein said first test signal is defined by a plurality of parameters, and wherein said second test signal is defined by a plurality of parameters substantially identical to said plurality of parameters defining said first test signal, wherein said controls comprise means for altering the values of said plurality of parameters of said first and second test signals as said first and second test signals are transmitted from said at least one input channel to said at least one output channel, wherein step (e) comprises the step of: altering the settings of said controls during said second time period in the event that the value of at least one of said plurality of parameters of said second test signal at said at least one output channel is different from the value of a substantially identical parameter of said recorded first test signal so that the value of each of said plurality of parameters of said second test signal at said at least one output is substantially identical to the value of a substantially identical parameter of said recorded first test signal.

Claim 39

A method of reestablishing previously established settings on the controls of an audio mixer, wherein said audio mixer comprises at least one input channel and at least one output channel associated with said at least one input channel, wherein said controls control the value of at least one parameter of signals transmitted from said at least one input channel to said at least one output channel, wherein said method comprises the steps of: (a) transmitting a first test signal defined by at least one parameter through said at least one input channel during a first time period; (b) recording said first test signal at said at least one output channel during said first time period; (c) transmitting a second test signal through said at least one input channel during a second time period later than said first time period, wherein said second test signal is defined by at least one parameter substantially identical to said at least one parameter of said first test signal; (d) comparing said second test signal at said at least one output channel during said second period of time with said recorded first test signal; and (e) altering the settings of said controls during said second time period in the event that the value of said at least one parameter of said second test signal at said at least one output channel during said second period of time is different than the value of said at least one parameter of said recorded first test signal so that the value of said at least one parameter of said second test signal at said at least one output channel is substantially identical to the value of said at least one parameter of said recorded first test signal, wherein said audio mixer comprises a plurality of input channels, wherein said method further comprises the steps of: performing steps (a), (b), (c), (d), and (e) for each input channel, wherein said method further comprises the step of: performing steps (a) and (b) during said first period of time for one input channel before performing steps (a) and (b) on each subsequent input input channel; and performing steps (c), (d) and (e) during said second period of time for one input channel before performing steps (c), (d), and (e) on each subsequent input channel and after performing steps (a) and (b), wherein said audio mixer comprises a plurality of output channels associated with at least one of said input channels, and wherein each of said plurality of output channels is identified by a different integer p, wherein p is greater than 1 and less than n, wherein n is equal to one more than the number of said plurality of output channels, wherein step (a) comprises the step of transmitting said first test signal through said at least one input channel associated with said n output channels, wherein step (b) comprises the step of recording said first test signal at said plurality of output channels seriatim during said first period of time to produce p recorded first test signals, wherein each of said recorded first test signals is identified by a different integer p so that said p'th recorded first test signal represents said first test signal at said p'th output channel, wherein said second test signal transmitted through said at least one input channel is transmitted to each of said p output channels to produce p second test signal outputs, wherein each of said second test signal outputs is identified by said integer p so that said p'th second test signal output represents the said second test signal at said p'th output channel during said second time period, wherein step (d) comprises the steps of: (1) comparing said p'th recorded first test signal with said p'th second test signal output when p equals 1; (2) repeating step (1) p times wherein each time step (1) is repeated p increases by one, wherein at least one of said plurality of output channels comprises an additional control for altering at least one parameter of said first and second test signals as said first and second test signals are transmitted from said mixing fader to said one of said plurality of said output channels, wherein said additional control comprises an input and an output, wherein step (a) further comprises the step of transmitting said first test signal directly to said input of said additional control; wherein step (b) further comprises the step of recording said first test signal at said output of said additional control during said first time period; wherein step (c) further comprises the step of transmitting a second test signal during said second time period directly to said input of said additional control; wherein step (d) further comprises the step of comparing said second test signal at said output of said additional control with said first test signal recorded at said output of said additional control; wherein step (e) further comprises the step of altering the setting on said additional control in the event that the value of said at least one parameter controlled by said additional control of said second test signal at said additional control output is different than the value of said at least one parameter of controlled by said additional control of said first test signal recorded at said output of said additional control so that the value of said at least one parameter controlled by said additional control of said second test signal at said additional control output is substantially identical to said at least one parameter controlled by said additional control of said first test signal recorded at said additional control output.

Claim 40

A method of reestablishing previously established settings on the controls of an audio mixer, wherein said audio mixer comprises at least one input channel and at least one output channel associated with said at least one input channel, wherein said controls control the value of at least one parameter of signals transmitted from said at least one input channel to said at least one output channel, wherein said method comprises the steps of: (a) transmitting a first test signal defined by at least one parameter through said at least one input channel during a first time period; (b) recording said first test signal at said at least one output channel during said first time period; (c) transmitting a second test signal through said at least one input channel during a second time period later than said first time period, wherein said second test signal is defined by at least one parameter substantially identical to said at least one parameter of said first test signal; (d) comparing said second test signal at said at least one output channel during said second period of time with said recorded first test signal; and (e) altering the settings of said controls during said second time period in the event that the value of said at least one parameter of said second test signal at said at least one output channel during said second period of time is different than the value of said at least one parameter of said recorded first test signal so that the value of said at least one parameter of said second test signal at said at least one output channel is substantially identical to the value of said at least one parameter of said recorded first test signal, wherein said audio mixer comprises a plurality of input channels, wherein said method further comprises the steps of: performing steps (a), (b), (c), (d), and (e) for each input channel, wherein said method further comprises the step of: performing steps (a) and (b) during said first period of time for one input channel before performing steps (a) and (b) on each subsequent input input channel; and performing steps (c), (d) and (e) during said second period of time for one input channel before performing steps (c), (d), and (e) on each subsequent input channel and after performing steps (a) and (b), wherein said audio mixer comprises a plurality of output channels associated with at least one of said input channels, and wherein each of said plurality of output channels is identified by a different integer p, wherein p is greater than 1 and less than n, wherein n is equal to one more than the number of said plurality of output channels, wherein step (a) comprises the step of transmitting said first test signal through said at least one input channel associated with said n output channels, wherein step (b) comprises the step of recording said first test signal at said plurality of output channels seriatim during said first period of time to produce p recorded first test signals, wherein each of said recorded first test signals is identified by a different integer p so that said p'th recorded first test signal represents said first test signal at said p'th output channel, wherein said second test signal transmitted through said at least one input channel is transmitted to each of said p output channels to produce p second test signal outputs, wherein each of said second test signal outputs is identified by said integer p so that said p'th second test signal output represents the said second test signal at said p'th output channel during said second time period, wherein step (d) comprises the steps of: (1) comparing said p'th recorded first test signal with said p'th second test signal output when p equals 1; (2) repeating step (1) p times wherein each time step (1) is repeated p increases by one, wherein at least one of said plurality of output channels comprises an additional control for altering at least one parameter of said first and second test signals as said first and second test signals are transmitted from said mixing fader to said one of said plurality of said output channels, wherein said additional control comprises an input and an output, wherein step (a) further comprises the step of transmitting said first test signal directly to said input of said additional control; wherein step (b) further comprises the step of recording said first test signal at said output of said additional control during said first time period; wherein step (c) further comprises the step of transmitting a second test signal during said second time period directly to said input of said additional control; wherein step (d) further comprises the step of comparing said second test signal at said output of said additional control with said first test signal recorded at said output of said additional control; wherein step (e) further comprises the step of altering the setting on said additional control in the event that the value of said at least one parameter controlled by said additional control of said second test signal at said additional control output is different than the value of said at least one parameter of controlled by said additional control of said first test signal recorded at said output of said additional control so that the value of said at least one parameter controlled by said additional control of said second test signal at said additional control output is substantially identical to said at least one parameter controlled by said additional control of said first test signal recorded at said additional control output.

Claim 44

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of a circuit of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a circuit and a plurality of controls for controlling said circuit, wherein said circuit processes audio signals and comprises a plurality of input channels and an output, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said output, wherein said controls control the value of at least one parameter of said audio signals transmitted through said circuit, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said input into and through said circuit during a first period of time; and (c) means for recording said at least one parameter of said first test signal at said output of said circuit during said first time period.

Claim 45

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of a circuit of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a circuit and a plurality of controls for controlling said circuit, wherein said circuit processes audio signals and comprises a plurality of input channels and an output, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said output, wherein said controls control the value of at least one parameter of said audio signals transmitted through said circuit, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said input into and through said circuit during a first period of time; and (c) means for recording said at least one parameter of said first test signal at said output of said circuit during said first time period.

Claim 47

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels and at least one output channel associated with said input channels, a plurality of controls, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control of the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first period of time; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first period of time; wherein said producing means and said transmitting means comprise a spectrum analyzer sweep oscillator for producing a first test signal defined by a plurality of amplitudes at a plurality of frequencies.

Claim 48

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels and at least one output channel associated with said input channels, a plurality of controls, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control of the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first period of time; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first period of time; wherein said producing means and said transmitting means comprise a spectrum analyzer sweep oscillator for producing a first test signal defined by a plurality of amplitudes at a plurality of frequencies.

Claim 53

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; and (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; wherein said means for producing and transmitting said first and second test signals comprises a spectrum analyzer sweep oscillator.

Claim 54

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; and (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; wherein said means for producing and transmitting said first and second test signals comprises a spectrum analyzer sweep oscillator.

Claim 59

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and (g) means for measuring said at least one parameter of said first and second test signals at said at least one output, wherein said measuring means comprises a multi-channel scanner having a rectifier circuit.

Claim 60

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and (g) means for measuring said at least one parameter of said first and second test signals at said at least one output, wherein said measuring means comprises a multi-channel scanner having a rectifier circuit.

Claim 61

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and (g) means for measuring said at least one parameter of said first and second test signals at said at least one output, wherein said measuring means comprises a spectrum analyzer including a sweep oscillator in the audio range.

Claim 62

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and (g) means for measuring said at least one parameter of said first and second test signals at said at least one output, wherein said measuring means comprises a spectrum analyzer including a sweep oscillator in the audio range.

Claim 63

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and (g) means for measuring said at least one parameter of said first and second test signals at said at least one output, wherein said measuring means comprises a fast fourier transform signal analyzer in the audio range.

Claim 64

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and (g) means for measuring said at least one parameter of said first and second test signals at said at least one output, wherein said measuring means comprises a fast fourier transform signal analyzer in the audio range.

Claim 65

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and (g) means for measuring said at least one parameter of said first and second test signals at said at least one output, wherein said measuring means comprises a dual fourier transform signal analyzer in the audio range.

Claim 66

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and (g) means for measuring said at least one parameter of said first and second test signals at said at least one output, wherein said measuring means comprises a dual fourier transform signal analyzer in the audio range.

Claim 67

An apparatus for assiting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; and (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and (g) means for measuring said at least one parameter of said first and second test signals at said at least one output, wherein said measuring means comprises a network analyzer in the audio range.

Claim 68

An apparatus for assiting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; and (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and (g) means for measuring said at least one parameter of said first and second test signals at said at least one output, wherein said measuring means comprises a network analyzer in the audio range.

Claim 72

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period, wherein said producing and transmitting means comprises means for producing and transmitting a first test signal defined by a plurality of parameters, wherein said plurality of parameters are controlled by said controls of said audio mixer, and wherein said recording means comprises means for recording said plurality of parameters of said first test signal at said at least one output.

Claim 73

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period, wherein said producing and transmitting means comprises means for producing and transmitting a first test signal defined by a plurality of parameters, wherein said plurality of parameters are controlled by said controls of said audio mixer, and wherein said recording means comprises means for recording said plurality of parameters of said first test signal at said at least one output.

Claim 74

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; and (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and wherein said means for producing and transmitting said first and second test signals comprise means for producing and transmitting first and second test signals defined by a plurality of parameters wherein said plurality of parameters are controlled by said controls of said audio mixer, wherein said recording means comprises means for recording said plurality of parameters of said first test signal, and wherein said display means comprises means for displaying said plurality of parameters of said first and second test signals.

Claim 75

An apparatus for assisting a user of an audio mixer in reestablishing previously established settings on the controls of said audio mixer, in combination with said audio mixer, wherein said audio mixer comprises a plurality of input channels, a plurality of controls, at least one output channel associated with said input channels, and means for mixing a plurality of audio signals transmitted through said plurality of input channels in said at least one output channel, wherein said controls control the value of at least one parameter of signals transmitted from at least one input channel to said at least one output channel, wherein said apparatus comprises: (a) means for producing a first test signal defined by at least one parameter; (b) means for transmitting said first test signal through said at least one input channel during a first time period; (c) means for recording said at least one parameter of said first test signal at said at least one output channel during said first time period; (d) means for producing a second test signal defined by at least one parameter, wherein said at least one parameter of said second test signal is substantially identical to said at least one parameter of said first test signal; (e) means for transmitting said second test signal through said at least one input channel during a second time period later than said first time period; and (f) means for displaying said recorded at least one parameter of said first test signal and means for displaying said at least one parameter of said second test signal at said at least one output; and wherein said means for producing and transmitting said first and second test signals comprise means for producing and transmitting first and second test signals defined by a plurality of parameters wherein said plurality of parameters are controlled by said controls of said audio mixer, wherein said recording means comprises means for recording said plurality of parameters of said first test signal, and wherein said display means comprises means for displaying said plurality of parameters of said first and second test signals.