Electrical audio signal processing systems and devices – Binaural and stereophonic
Patent
1995-10-31
1998-06-09
Kuntz, Curtis
Electrical audio signal processing systems and devices
Binaural and stereophonic
H04R 500
Patent
active
057647755
ABSTRACT:
Audio process units for controllably mixing L-channel and R-channel portions of a CD/CD-I audio signal each use a single attenuator (or digital multiplier) for developing L*G(LL), L*G(LR), R*G(RR) and R*G(RL) responses to L-channel and R-channel input signals through time sharing processing. This reduces the amount of digital hardware required for developing these responses. The L*G(LL) and R*G(RL) responses are additively combined to generate an L-channel output signal; and the R*G(RL) and R*G(RR) responses are additively combined to generate an R-channel output signal. L*G(LL), L*G(LR), R*G(RL) and R*G(RR) responses are successively generated on a cyclic basis in one type of such audio process unit, using a successive-shift-and-selective-accumulation digital multiplication procedure to generate each response. L*G(LR), L*G(LL), R*G(RL) and R*G(RR) responses are successively generated on a cyclic basis in an altenative type of such audio process unit, using a successive-shift-and-selective-accumulation digital multiplication procedure to generate each response.
REFERENCES:
patent: 5099739 (1992-03-01), Adachi
patent: 5420939 (1995-05-01), Geddes et al.
Chang Vivian
Kuntz Curtis
Samsung Electronics Co,. Ltd.
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