SYSTEMS AND METHODS FOR DETECTING WIND NOISE USING MULTIPLE AUDIO SOURCES
摘要
A method for detecting wind noise is described. At least two audio signals are received. The at least two audio signals are filtered to reduce higher frequencies and to reduce lower frequencies to provide at least two filtered audio signals. The cross correlation of the at least two filtered audio signals is computed for multiple delays. A maximum cross correlation is determined from the cross correlations computed for the multiple delays. Wind noise is detected by comparing the maximum cross correlation with a threshold.
申请公布号
WO2009117474(A3)
申请公布日期
2009.11.12
申请号
WO2009US37485
申请日期
2009.03.18
申请人
QUALCOMM INCORPORATED;RAMAKRISHNAN, DINESH;WANG, SONG