Efficient filter for artificial ambience
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United States of America Patent
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Jan 21, 2014
Grant Date -
Apr 7, 2011
app pub date -
Dec 13, 2010
filing date -
Jul 13, 2004
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Abstract
A circuit, method, and system for producing artificial ambience effect for an input audio signal, mono, stereo, or surround. The ambience effect enhances artificial reverberation, replaces artificial reverberation, or synthesizes extra audio channels, such as surround channels. The circuit may include a transient reduction module and a reverberation filter. The transient reduction module may be adapted to reduce transients in an input audio signal of one or more channels. The reverberation filter maybe adapted to receive a transient-reduced signal of one or more channels corresponding to the transient-reduced signal.
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