Bibliographic data

Document KR102006050991A (Pages: 16)

Bibliographic data Document KR102006050991A (Pages: 16)
INID Criterion Field Contents
54 Title TI [EN] SPEECH SIGNAL PROCESSING WITH COMBINED NOISE REDUCTION AND ECHO COMPENSATION
71/73 Applicant/owner PA HARMAN BECKER AUTOMOTIVE SYS, DE
72 Inventor IN HERBORDT WOLFGANG, DE ; KELLERMANN WALTER, DE
22/96 Application date AD Sep 2, 2005
21 Application number AN 20050081874
Country of application AC KR
Publication date PUB May 19, 2006
33
31
32		 Priority data PRC
PRN
PRD		 EP
04021055
20040903
51 IPC main class ICM G10L 15/00 (2006.01)
51 IPC secondary class ICS
IPC additional class ICA
IPC index class ICI
Cooperative patent classification CPC G10L 15/20
G10L 2021/02082
G10L 2021/02166
G10L 21/0208
H04M 9/082
MCD main class MCM G10L 15/20 (2006.01)
MCD secondary class MCS H04M 9/08 (2006.01)
H04R 3/00 (2006.01)
MCD additional class MCA G10L 21/0208 (2013.01)
G10L 21/0216 (2013.01)
57 Abstract AB [EN] The present invention relates to a system for speech signal processing with combined noise reduction and echo compensation, comprising an adaptive beamforming signal processing means (Fig.1,w(k);Fig.2 w c (k),B(k) and w a (k)) configured to receive first speech signals (x(k),M) and to derive adaptively beamformed signals from the first speech signals, an adaptive echo compensating means (Fig.1,Fig.2,a(k)) configured to reduce acoustic echoes in the adaptively beamformed signals and an adaptation means configured to simultaneously perform a combined adaptation of the adaptive beamforming means and the adaptive echo compensating means.
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