Sound reproduction device

Details Sound reproduction device Sound reproduction device

1995-09-15

1997-01-07

Kuntz, Curtis

Electrical audio signal processing systems and devices

Binaural and stereophonic

Pseudo stereophonic

381 17, 381104, 381109, H04R 500, H03G 300

Patent

active

055925588

ABSTRACT:
The invention introduces an arrangement which maintains the usefulness of a fader control (11) connected for example to an audio signal source (10), and at the same time considerably reduces the circuit cost. This is realized in that the distribution to different listening areas adjusted by the fader control (11) is determined from the audio signals that are present behind the fader control (11). To that end, first the audio output signals (L, R) are reconstructed in two adders (12.2, 12.3) and routed to a fourth adder (12.4). Two each audio signals (L.sub.V, R.sub.V) are routed to a first adder (12.1). The signals existing behind the adders (12.1/4) are then placed into a ratio with each other by a divider (20). From the quotient Q determined there, the distribution rate is then determined by a calculator (21) and made available to the multipliers (M1-4). Devices (17) to determine the average level value, followed by smoothing devices (18), which are positioned symmetrically with respect to the adders (12.1/4).

REFERENCES:
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patent: 5060272 (1991-10-01), Suzuki
patent: 5216718 (1993-06-01), Fukuda
patent: 5325435 (1994-06-01), Date et al.
patent: 5504819 (1996-04-01), Fosgate
patent: 5524053 (1996-06-01), Iwamatsu

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