US5033036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reproducing apparatus including means for gradually varying a mixing ratio of first and second channel signal in accordance with a voice signal
Assignee: Pioneer Corp
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Filing: 1990-01-23
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Granted: 1991-07-16
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Expires: 2010-01-23
Abstract
Abstract A reproducing apparatus mixes the voice information from a microphone and the information reproduced from a recording medium in which a vocal signal plus an instrumental signal is contained as a first signal in a first channel and only an instrumental signal is contained as a second signal in a second channel. A first mixing circuit mixes the first signal and the second signal. The output of the first mixing circuit is mixed by a second mixing circuit with the voice information from the microphone. A control circuit or audio detecting circuit provides a control signal in accordance with the level of the voice information from the microphone. The control signal controls a selection control circuit to gradually and smoothly vary the mixing ratio of the first signal and the second signal when mixing these two signals.
Inventors
- 👤 Seiji Ohmori
- 👤 Eisaku Kawano
- 👤 Tasuku Tsuruga
- 👤 Takeshi Mawatari
- 👤 Hiroshi Ohtsubo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:46
CPC Classifications
G; G09; G09B; G09B19/00; G09B15/00
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
131 words
A reproducing apparatus for mixing voice information from a microphone and information reproduced from a recording medium in which a vocal signal and an instrumental signal are contained as a first signal in a first channel and only an instrumental signal is contained as a second signal in a second channel, comprising: a first mixing means for mixing said first signal and said second signal; a second mixing means for mixing said voice information from the microphone and an output of said first mixing means; control means for providing a control signal in accordance with a level of an input signal to the microphone; wherein said first mixing means comprises means for gradually varying a mixing ratio of said first signal and said second signal in accordance with said control signal.
Claim 2
Dependent Claim
131 words
A reproducing apparatus for mixing voice information from a microphone and information reproduced from a recording medium in which a vocal signal and an instrumental signal are contained as a first signal in a first channel and only an instrumental signal is contained as a second signal in a second channel, comprising: a first mixing means for mixing said first signal and said second signal; a second mixing means for mixing said voice information from the microphone and an output of said first mixing means; control means for providing a control signal in accordance with a level of an input signal to the microphone; wherein said first mixing means comprises means for gradually varying a mixing ratio of said first signal and said second signal in accordance with said control signal.
Claim 3
Dependent Claim
41 words
A reproducing apparatus according to claim 1, wherein said control signal controls said first mixing means such that when said input signal to the microphone decreases below a predetermined level, said first signal gradually becomes dominant relative to said second signal.
Claim 4
Dependent Claim
40 words
A reproducing apparatus according to claim 1, wherein said control signal controls said first mixing means such that when said input signal to the microphone exceeds a predetermined level, said second signal gradually becomes dominant relative to said first signal.
Claim 5
Dependent Claim
51 words
A reproducing apparatus according to claim 1, wherein said control means comprises a comparing means 3 for comparing said voice information from the microphone with a reference voltage to provide an output signal and a time constant means 8 to which said output signal from the comparing means 3 is supplied.
Claim 6
Dependent Claim
30 words
A reproducing apparatus according to claim 1, wherein said means for gradually varying comprises a variable resistor for varying said first signal and said second signal relative to each other.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-07-15 | 1995-01-14 | 1995-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-07-15 | 1999-01-14 | 1999-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-07-15 | 2003-01-14 | 2003-07-16 | $7700.00 | Window Closed / Lapsed |