Audio multi-channel equalizer
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United States of America Patent
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Issued Date -
Dec 4, 2003
app pub date -
Jul 24, 2002
filing date -
May 31, 2002
priority date (Note) -
Abandoned
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Abstract
An audio multi-channel equalizer having a plurality of bandpass filters for subdividing an audio signal into a plurality of channels. The equalizer also includes level controllers associated with the channels and optical level-indicating means. The optical level indicating means contains semiconductor switches connected to the outputs of the bandpass filters for activation of optical indications. There is also a reference voltage generator which corresponds substantially to the average signal level of the channels and which is connected commonly to all semiconductor switches.
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