Electrical audio signal processing systems and devices – Switching
Patent
1998-03-09
2000-12-26
Isen, Forester W.
Electrical audio signal processing systems and devices
Switching
381 22, H02B 100, H04R 500
Patent
active
061671401
ABSTRACT:
When a first bi-wiring speaker is connected to output terminals 5A and 5B and a second bi-wiring speaker is connected to output terminals 5D and 5E, and further a two-channel stereo reproduction is performed, a signal 3L for a L channel outputted from a decoder 2 is amplified by amplifiers 4A and 4B in parallel to be given to the first bi-wiring speaker in a bi-wiring connecting manner and a signal 3R for a R channel outputted from the decoder 2 is amplified by amplifiers 4C and 4D in parallel and given to the second bi-wiring speaker in a bi-wiring connecting manner. At this time, a gain corrector 7 equalizes a gain which an output signal of the amplifier 4A has with respect to the signal 3L for the L channel with a gain which an output signal of the amplifier 4B has with respect to the signal 3L for the L channel. Similarly, a gain corrector 8 equalizes a gain which an output signal of the amplifier 4C has with respect to the signal 3R for the R channel with a gain which an output signal of the amplifier 4D has with respect to the signal 3R for the R channel.
REFERENCES:
patent: 4115666 (1978-09-01), Ogura
patent: 4468806 (1984-08-01), Gaulden et al.
patent: 5399986 (1995-03-01), Yen
patent: 5757928 (1998-05-01), Schaar
Isen Forester W.
Matsushita Electrical Industrial Co. Ltd.
Pendleton Brian Tyrone
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