Reverberation suppressing apparatus and reverberation suppressing method
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United States of America Patent
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Apr 7, 2015
Grant Date -
Nov 3, 2011
app pub date -
Feb 28, 2011
filing date -
Apr 30, 2010
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Abstract
A reverberation suppressing apparatus, includes: a sound acquiring unit which acquires a sound signal; a reverberation data computing unit which computes reverberation data from the acquired sound signal; a reverberation characteristics estimating unit which estimates reverberation characteristics based on the computed reverberation data; a filter length estimating unit which estimates a filter length of a filter which is used to suppress a reverberation based on the estimated reverberation characteristics; and a reverberation suppressing unit which suppresses the reverberation based on the estimated filter length.
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