Sound reproduction in a space with an independent sound source

Details Sound reproduction in a space with an independent sound source Sound reproduction in a space with an independent sound source

1980-02-26

1982-03-30

Moffitt, James W.

179 1P, 179 1VL, H03G 332

Patent

active

043225799

ABSTRACT:
Sound reproduction in a noisy environment may be improved by detecting the noise level and deriving a control signal therefrom. The control signal may control the gain and frequency response of the reproduction amplifier by controlling an electronic potentiometer which provides a control function which varies from a signal of high reproduction quality towards a signal which has been subjected to contrast compression and which exhibits a roll-off towards the bass frequencies.

REFERENCES:
patent: 2338551 (1944-01-01), Stanko
patent: 2657264 (1953-10-01), Augustadt
patent: 4061874 (1977-12-01), Fricke et al.
patent: 4061875 (1977-12-01), Freifeld et al.

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