Electrical audio signal processing systems and devices – Including amplitude or volume control
Patent
1993-09-20
1996-08-20
Isen, Forester W.
Electrical audio signal processing systems and devices
Including amplitude or volume control
381118, 381107, 84633, 84665, 84625, 84660, H03G 300
Patent
active
055486550
ABSTRACT:
A sound processing apparatus has a volume control circuit for controlling sound volume and a register storing plural values specifying attenuation levels. The register values are determined to linearly correspond to the rate of change of the attenuation level.
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ISD 1016 Series, Single Chip Voice Message System, Preliminary Specification (Aug. 1991).
Hudson Soft Co. Ltd.
Isen Forester W.
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