Apparatus for enhancing stereo effect with central sound image maintenance circuit
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United States of America Patent
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Nov 17, 1998
Grant Date -
N/A
app pub date -
Dec 11, 1995
filing date -
Dec 11, 1995
priority date (Note) -
Expired
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Abstract
A system for enhancing the effect of stereo audio signals while maintaining the central audio image includes an expander circuit that tracks the monaural information that is common to both left and right channels and that uses such monaural information to control variable attenuators that influence the inputs to the left and right audio image placement filters.
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