Robust separation of speech signals in a noisy environment
E Visser, J Toman, K Chan - US Patent 7,464,029, 2008 - Google Patents
(51) Int. Cl. G10L 19/14(2006.01) A method for improving the quality of a speech signal
G10L 11/06(2006.01) extracted from a noisy acoustic environment is provided. In G10L …
G10L 11/06(2006.01) extracted from a noisy acoustic environment is provided. In G10L …
Headset for separation of speech signals in a noisy environment
US PATENT DOCUMENTS 5,208,786 A 5, 1993 Weinstein et al. 5,251.263 A 10, 1993
Andrea et al. 5,327,178 A 7/1994 McManigal 5,353,376 A 10, 1994 Oh et al. 5,375,174 A …
Andrea et al. 5,327,178 A 7/1994 McManigal 5,353,376 A 10, 1994 Oh et al. 5,375,174 A …
Systems, methods, and apparatus for multi-microphone based speech enhancement
(52) US Cl................................ 381/94.7: 704/E15. 039 Systems, methods, and apparatus for
processing an M-chan nel input signal are described that include outputting a signal …
processing an M-chan nel input signal are described that include outputting a signal …
Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers
RJ Van Wechel, IL Johnston - US Patent 7,292,663, 2007 - Google Patents
This application is a divisional application of US. appli cation Ser. No. 10/256,060,? led Sep.
26, 2002, Which claims the bene? t under 35 USC § 119 (e) of US. Provi sional Application …
26, 2002, Which claims the bene? t under 35 USC § 119 (e) of US. Provi sional Application …
Systems and methods for blind source signal separation
Signal separation techniques based on frequency dependency US 2009/0222262 A1 Sep.
3, 2009 are described. In one implementation, a blind signal separa (51) Int. Cl. tion process …
3, 2009 are described. In one implementation, a blind signal separa (51) Int. Cl. tion process …
Speech recognizer performance in car and home applications utilizing novel multiple microphone configurations
R Boman, L Rigazio, B Hanson… - US Patent …, 2005 - Google Patents
US6889189B2 - Speech recognizer performance in car and home applications utilizing
novel multiple microphone configurations - Google Patents US6889189B2 - Speech …
novel multiple microphone configurations - Google Patents US6889189B2 - Speech …
Apparatus for monitoring fetal heart-beat
M Smith, R Penney - US Patent App. 10/490,611, 2004 - Google Patents
Apparatus for monitoring a fetal heart-beat is able to extract one or more fetal
electrocardiograms (fECGS) from a com posite Signal detected at the abdomen of a …
electrocardiograms (fECGS) from a com posite Signal detected at the abdomen of a …
Systems, methods, and apparatus for signal separation
A method of signal processing according to one configuration includes training a plurality of
coefficient val ues of a source separation filter structure, based on a plurality of M-channel …
coefficient val ues of a source separation filter structure, based on a plurality of M-channel …
Systems, methods, and apparatus for signal separation using data driven techniques
Methods, apparatus, and systems for source separation include a converged plurality of
coefficient values that is based on each of a plurality of M-channel signals. Each of the …
coefficient values that is based on each of a plurality of M-channel signals. Each of the …
System and method for speech processing using independent component analysis under stability constraints
A system and method for separating a mixture of audio signal into desired audio signals
(430)(eg, speech) and a noise sign (440) is disclosed. Microphones (310, 320) are …
(430)(eg, speech) and a noise sign (440) is disclosed. Microphones (310, 320) are …