Circuit for digital processing of audio signals
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United States of America Patent
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Feb 13, 1996
Grant Date -
N/A
app pub date -
Jan 18, 1994
filing date -
Feb 5, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a circuit for digital processing of audio signals in a radio receiver, preferably in a car radio, the audio signals pass through a digital filter designed as a tone control, whose frequency response can be controlled with supplied coefficients, and a volume control, whose transmission factor can be controlled with supplied control signals. If the high and/or low frequencies are raised, the transmission factor of the filter at medium frequencies can be correspondingly lowered. Volume control compensates for the reduction. The volume control may contain a digital and an analog portion.
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