Bass boost circuit
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United States of America Patent
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Issued Date -
May 5, 2005
app pub date -
Oct 29, 2004
filing date -
Oct 30, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bass boost circuit of the present invention changes simultaneously the amplification gain in the voltage-controlled amplifier, and the cut-off frequency of the low-pass filter according to level of bass component of incoming signal. It does not become over boost state, and sound such as 'flop' or 'overshoot' is canceled, it will further be hard being fallen out by middle range of frequency, and there is advantage that vocal and the like can tend to be heard, even when small signal is inputted.
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