Inventor

NORDHOLM SVEN

SE7 patents

Patents

7 patents

US6717991B1Apr 6, 2004

System and method for dual microphone signal noise reduction using spectral subtraction

ERICSSON TELEFON AB L M154 citations98

US6175602B1Jan 16, 2001

Signal noise reduction by spectral subtraction using linear convolution and casual filtering

ERICSSON TELEFON AB L M118 citations97

US6549586B2Apr 15, 2003

System and method for dual microphone signal noise reduction using spectral subtraction

ERICSSON TELEFON AB L M54 citations95

US6507623B1Jan 14, 2003

Signal noise reduction by time-domain spectral subtraction

ERICSSON TELEFON AB L M21 citations92

US6487257B1Nov 26, 2002

Signal noise reduction by time-domain spectral subtraction using fixed filters

ERICSSON TELEFON AB L M39 citations92

US6459914B1Oct 1, 2002

Signal noise reduction by spectral subtraction using spectrum dependent exponential gain function averaging

ERICSSON TELEFON AB L M31 citations92

US6549627B1Apr 15, 2003

Generating calibration signals for an adaptive beamformer

ERICSSON TELEFON AB L M38 citations89