Electrical audio signal processing systems and devices – Binaural and stereophonic
Patent
1991-05-17
1992-08-18
Isen, Forester W.
Electrical audio signal processing systems and devices
Binaural and stereophonic
H04S 100
Patent
active
051406373
ABSTRACT:
A vocal signal removing device includes a member for connecting one of the left or right side positive output terminals of a stereophonic sound reproducing device, e.g., tape, compact disk, or phonograph player, to the corresponding left or right side positive input terminal of an amplifier, and a member for connecting the other positive output terminal of the reproducing device to the negative input terminal of the amplifier on the side opposite the side to which the one positive input terminal is connected. A switch may be provided for effecting alternative connections to provide full stereo sound or monophonic sound including the vocal signal.
REFERENCES:
patent: 4803728 (1989-02-01), Lueken
Isen Forester W.
Kaplan Arnold
Levine Alan H.
Polyocan Mark
Williams Arthur J.
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