Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Erik Visser0
Ian Ernan Liu0
Date of Patent
May 13, 2014
0Patent Application Number
126051580
Date Filed
October 23, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Based on phase differences between corresponding frequency components of different channels of a multichannel signal, a measure of directional coherency is calculated. Application of such a measure to voice activity detection and noise reduction are also disclosed.
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