Audio video interactive display

Claim 2

In a high resolution display system, the combinat­ion comprising: a high resolution monitor (600); a computer (300) for providing control signals, including a high resolution frame buffer (760) for storing computer graphics images pel by pel, and reading out said graphics images on a pel by pel basis at a rate controlled by said control signals; a TV video controller (100), including a TV frame buffer which stores TV video at TV speeds and reads out TV video on a pel by pel basis at a rate controlled by said control signals from said computer; and a switching mechanism (500) controlled by said control signals from said computer for selectively switching between said high resolution frame buffer and said TV frame buffer on a pel by pel basis to read out said buffers to display the read out video on said high resolu­tion monitor.

Claim 3

In a high resolution video display system, the combination comprising: a high resolution display (600); a computer system (300) for generating control signals, and including a high resolution frame buffer (760) for storing video graphics pel by pel for display on said high resolution display, including means for converting the video graphics to an analog high resolution graphics signal; an input device (200) for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller (100) which operates under control of said control signals from said computer, said display controller including a two port TV frame buffer, with said standard digital TV signal being read into the first port at a TV rate, for storage, and being read out of the second port on a pel by pel basis at a higher speed rate controlled by said control signals from said computer; and an output device (500) including a digital to analog converter (504) for converting the standard digital TV signal read out of the second port to an analog TV signal, and further in­cluding means (508) for selecting a pel at a time one of said analog high resolution graphics signal and said analog TV signal for display on said high resolution display.

Claim 4

In a high resolution video display system, the combination comprising: a high resolution display (600); a computer system (300) for generating control signals, and including a high resolution frame buffer (760) for storing video graphics pel by pel for display on said high resolution display, including means for converting the video graphics to an analog high resolution graphics signal; an input device (200) for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller (100) which operates under control of said control signals from said computer, said display controller including a two port TV frame buffer, with said standard digital TV signal being read into the first port at a TV rate, for storage, and being read out of the second port on a pel by pel basis at a higher speed rate controlled by said control signals from said computer; and an output device (500) including a digital to analog converter (504) for converting the standard digital TV signal read out of the second port to an analog TV signal, and further in­cluding means (508) for selecting a pel at a time one of said analog high resolution graphics signal and said analog TV signal for display on said high resolution display.

Claim 5

The combination claimed in claim 1 or 2, wherein said display controller includes: a sync generator (105) responsive to a TV clock signal, horizontal sync signal and vertical signal portion of said standard digital TV signal to provide a TV sync signal for reading the data portion of said standard TV signal into said first port of said TV frame buffer; and a serializer (155) operating under control of said control signals from said computer for reading out the digital TV data from said second port of said TV frame buffer on a pel by pel basis to provide serial TV data at a high re­solution rate; and a select network (508) responsive to said control signals from said computer for providing a key signal which when in a first state selects said TV video for display and when in a second state selects said high resolution graphics video for display.

Claim 6

The combination claimed in claim 3, wherein said means for selecting in said output device comprises a multiplexer (508) which bases its selection in response to said key signal.

Claim 7

In a high resolution video display system, the combination comprising: a high resolution display (600); a computer system (300) for generating control signals, and video graphics signals; an input device (200) for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller (100) which operates under control of said control signals from said computer, said display controller including a two port display frame buffer, with one of said standard digital TV signal and said video graphics signal being read into the first port at a first rate, and being read out of the second port pel by pel at a second rate controlled by said control signals from said computer; and an output device (500) including a digital to analog converter for converting the signal read out of the second port of said display frame buffer to an analog display signal, for display on said high resolution display.

Claim 8

In a high resolution video display system, the combination comprising: a high resolution display (600); a computer system (300) for generating control signals, and video graphics signals; an input device (200) for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller (100) which operates under control of said control signals from said computer, said display controller including a two port display frame buffer, with one of said standard digital TV signal and said video graphics signal being read into the first port at a first rate, and being read out of the second port pel by pel at a second rate controlled by said control signals from said computer; and an output device (500) including a digital to analog converter for converting the signal read out of the second port of said display frame buffer to an analog display signal, for display on said high resolution display.

Claim 9

In a high resolution video display system, the combination comprising: a high resolution display; a computer system for generating control signals, video graphics signals, and digitized audio signals; an input device for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller which operates under control of said control signals from said computer, said display controller including a display frame buffer which includes an on screen portion and an off screen portion, with said standard digital TV signal and said video graphics signal being read for storage in predetermined locations in said on screen portion of said display frame buffer, with said digitized audio signals being read for storage in said off screen portion of said display frame buffer, and each being read out in response to said control signals from said computer; an audio circuit responsive to the digitized audio signals read out of said display frame buffer, including means for converting the digitized audio to analog audio; and an output device including a digital to analog converter for converting the standard TV signal and the video graphics signals read out of said TV frame buffer to an analog TV signal, for display on said high resolution display.

Claim 10

In a high resolution video display system, the combination comprising: a high resolution display; a computer system for generating control signals, video graphics signals, and digitized audio signals; an input device for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller which operates under control of said control signals from said computer, said display controller including a display frame buffer which includes an on screen portion and an off screen portion, with said standard digital TV signal and said video graphics signal being read for storage in predetermined locations in said on screen portion of said display frame buffer, with said digitized audio signals being read for storage in said off screen portion of said display frame buffer, and each being read out in response to said control signals from said computer; an audio circuit responsive to the digitized audio signals read out of said display frame buffer, including means for converting the digitized audio to analog audio; and an output device including a digital to analog converter for converting the standard TV signal and the video graphics signals read out of said TV frame buffer to an analog TV signal, for display on said high resolution display.

Claim 11

The combination claimed in claim 5 or 6, wherein said frame buffer stores said standard TV signal and said video graphics signal as scanlines, with each scanline being read out twice before the following scanline is read out.

Claim 12

The combination claimed in claim 5, 6 or 7, including means for reading out said frame buffer pel by pel such that the image on said high resolution display comprises either the standard TV signal with at least one window image of video graphics, or the video graphics with at least one window image of the TV signal.

Claim 13

The combination claimed in claim 5, 6, 7 or 8, wherein said computer system includes: a high resolution frame buffer (760) for storing video graphics, including means for reading out said video graphics at a rate controlled by said control signals; and means for converting the video graphics to an analog high resolution graphics signal; and wherein said output device includes: means for selecting one of said analog high resolution graphics signal and said analog display signal for display on said high resolu­tion display.

Claim 14

In a high resolution video display system, the combination comprising: a high resolution display; a computer system for generating computer control signals, and computer data signals which include graphics data signals, and digitized audio data signals; an input device for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller which operates under control of said computer control signals from said computer, said display controller including a two port data buffer which includes an on screen portion and an off screen portion, with said standard digital TV signal and said computer data signals being read into the first port for storage of the digital TV signal and the graphics data signals in predetermined locations in said on screen portion of said data buffer, and for storage of said digitized audio data signals in said off screen portion of said data buffer, with said digitized audio data signals being read out of said first port under control of said computer control signals and said digital TV signal and the graphics data signals being read out of the second port at a speed controlled by said com­puter control signals; an audio circuit responsive to the digitized audio data signals read out of the first port of said display frame buffer, including means for converting the digitized audio data signals to analog audio; and an output device including a digital to analog converter for converting the standard TV signal and the graphics data signals read out of the second port of said data buffer to an analog display signal, for display on said high resolut­ion display.

Claim 15

In a high resolution video display system, the combination comprising: a high resolution display; a computer system for generating computer control signals, and computer data signals which include graphics data signals, and digitized audio data signals; an input device for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller which operates under control of said computer control signals from said computer, said display controller including a two port data buffer which includes an on screen portion and an off screen portion, with said standard digital TV signal and said computer data signals being read into the first port for storage of the digital TV signal and the graphics data signals in predetermined locations in said on screen portion of said data buffer, and for storage of said digitized audio data signals in said off screen portion of said data buffer, with said digitized audio data signals being read out of said first port under control of said computer control signals and said digital TV signal and the graphics data signals being read out of the second port at a speed controlled by said com­puter control signals; an audio circuit responsive to the digitized audio data signals read out of the first port of said display frame buffer, including means for converting the digitized audio data signals to analog audio; and an output device including a digital to analog converter for converting the standard TV signal and the graphics data signals read out of the second port of said data buffer to an analog display signal, for display on said high resolut­ion display.

Claim 16

The combination claimed in claim 10, wherein said display controller includes: a sync generator responsive to said standard digital TV signal to provide a TV sync signal for reading the data portion of said standard TV signal into said first port of said data buffer; and a serializer operating under control of said computer control signals for reading out display data from said second port of said data buffer to provide display data at a high resolution rate to said output device.

Claim 17

The combination claimed in claim 10 or 11, wherein said data buffer stores data in the on screen portion as scanlines, with each scanline being read out twice before the following scanline is read out.

Claim 18

The combination claimed in claim 10, 11 or 12, including means for reading out said data buffer such that the image displayed on said high resolution display comprises either the standard TV signals with at least one window image of graphics data or the graphics data with at least one window image of the TV signal.

Claim 19

The combination claimed in claim 10, 11, 12 or 13, wherein said computer system includes: a high resolution frame buffer for storing video graphics, including means for reading out said video graphics at a rate controlled by said computer system; means for converting the video graphics to an analog high resolution graphics signal; wherein said output device includes: means for selecting one of said analog high resolution graphics signal and said analog display signal for display on said high resolu­tion display.

Claim 20

In a high resolution video display system, the combination comprising: a high resolution display; a computer system for generating control signals, video graphics signals, and first digitized audio signals; an input device for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller which operates under control of said control signals from said computer, said display controller including a display frame buffer which includes an on screen portion and an off screen portion, with said standard digital TV signal and said video graphics signal being read for storage in predetermined locations in said on screen portion of said display frame buffer, with said first digitized audio signals being read for storage in said off screen portion of said display frame buffer, and each being read out in response to said control signals from said computer; a source of analog audio signals; an audio circuit including means for converting said analog audio signals to second digitized audio signals to be read into the off screen portion of said TV frame buffer for storage at predetermined locations, and being read out under control of said control signals and being responsive to either the first digitized audio signals or the second digitized audio signals read out of said display frame buffer, including means for converting the digitized audio to analog audio; and an output device including a digital to analog converter for converting the standard TV signal and the video graphics read out of said TV frame buffer to an analog TV signal, for display on said high resolution display.

Claim 21

In a high resolution video display system, the combination comprising: a high resolution display; a computer system for generating control signals, video graphics signals, and first digitized audio signals; an input device for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller which operates under control of said control signals from said computer, said display controller including a display frame buffer which includes an on screen portion and an off screen portion, with said standard digital TV signal and said video graphics signal being read for storage in predetermined locations in said on screen portion of said display frame buffer, with said first digitized audio signals being read for storage in said off screen portion of said display frame buffer, and each being read out in response to said control signals from said computer; a source of analog audio signals; an audio circuit including means for converting said analog audio signals to second digitized audio signals to be read into the off screen portion of said TV frame buffer for storage at predetermined locations, and being read out under control of said control signals and being responsive to either the first digitized audio signals or the second digitized audio signals read out of said display frame buffer, including means for converting the digitized audio to analog audio; and an output device including a digital to analog converter for converting the standard TV signal and the video graphics read out of said TV frame buffer to an analog TV signal, for display on said high resolution display.

Claim 22

The combination claimed in claim 15, wherein said frame buffer stores said standard TV signal and said video graphics signal as scanlines, with each scanline being read out twice before the following scanline is read out.

Claim 23

The combination claimed in claim 15 or 16, including means for reading out said frame buffer such that the image on said high resolution display comprises either the standard TV signal with at least one window image of video graphics, or the video graphics with at least one window image of the TV signal.

Claim 24

The combination claimed in claim 15, 16, or 17, wherein said computer system includes: a high resolution frame buffer for storing video graphics, including means for reading out said video graphics at a rate controlled by said control signals; and means for converting the video graphics to an analog high resolution graphics signal; and wherein said output device includes: means for selecting one of said analog high resolution graphics signal and said analog display signal for display on said high resolution display.

Claim 25

In a high resolution video display system, the combination comprising: a high resolution display; a computer system for generating computer control signals, and computer data signals which include graphics data signals, and first digitized audio data signals; an input device for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller which operates under control of said computer control signals from said computer, said display controller including a two port data buffer which includes an on screen portion and an off screen portion, with said standard digital TV signal and said computer data signals being read into the first port for storage of the digital TV signal and the graphics data signals in predetermined locations in said on screen portion of said data buffer, and for storage of said first digitized audio data signals in said off screen portion of said data buffer, with said first digitized audio data signals being read out of said first port under control of said computer control signals and said digital TV signal and the graphics data signal being read out of the second port at a speed controlled by said computer control signals; a source of analog audio signals; an audio circuit including means for converting said analog audio signals to second digitized audio signals to be read into the first port of said data buffer for storage at predetermined locations of said off screen portion, and being read out of said first port under control of said control signals and being responsive to either the first digitized audio data signals or the second digitized audio signals read out of the first port of said display frame buffer, including means for converting the digitized audio signals read out of said first port to analog audio; and an output device including a digital to analog converter for converting the standard TV signal and the graphics data signals read out of the second port of said data buffer to an analog display signal, for display on said high resolution display.

Claim 26

In a high resolution video display system, the combination comprising: a high resolution display; a computer system for generating computer control signals, and computer data signals which include graphics data signals, and first digitized audio data signals; an input device for receiving standard analog TV signals and converting them to standard digital TV signals; a display controller which operates under control of said computer control signals from said computer, said display controller including a two port data buffer which includes an on screen portion and an off screen portion, with said standard digital TV signal and said computer data signals being read into the first port for storage of the digital TV signal and the graphics data signals in predetermined locations in said on screen portion of said data buffer, and for storage of said first digitized audio data signals in said off screen portion of said data buffer, with said first digitized audio data signals being read out of said first port under control of said computer control signals and said digital TV signal and the graphics data signal being read out of the second port at a speed controlled by said computer control signals; a source of analog audio signals; an audio circuit including means for converting said analog audio signals to second digitized audio signals to be read into the first port of said data buffer for storage at predetermined locations of said off screen portion, and being read out of said first port under control of said control signals and being responsive to either the first digitized audio data signals or the second digitized audio signals read out of the first port of said display frame buffer, including means for converting the digitized audio signals read out of said first port to analog audio; and an output device including a digital to analog converter for converting the standard TV signal and the graphics data signals read out of the second port of said data buffer to an analog display signal, for display on said high resolution display.