EP0912974A1 - Verfahren zur verringerung von störungen eines sprachsignals - Google Patents
Verfahren zur verringerung von störungen eines sprachsignalsInfo
- Publication number
- EP0912974A1 EP0912974A1 EP97930489A EP97930489A EP0912974A1 EP 0912974 A1 EP0912974 A1 EP 0912974A1 EP 97930489 A EP97930489 A EP 97930489A EP 97930489 A EP97930489 A EP 97930489A EP 0912974 A1 EP0912974 A1 EP 0912974A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- masking curve
- signal
- spectral
- noise reduction
- masking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0264—Noise filtering characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Noise Elimination (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19629132 | 1996-07-19 | ||
DE19629132A DE19629132A1 (de) | 1996-07-19 | 1996-07-19 | Verfahren zur Verringerung von Störungen eines Sprachsignals |
PCT/EP1997/003482 WO1998003965A1 (de) | 1996-07-19 | 1997-07-02 | Verfahren zur verringerung von störungen eines sprachsignals |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0912974A1 true EP0912974A1 (de) | 1999-05-06 |
EP0912974B1 EP0912974B1 (de) | 2000-04-12 |
Family
ID=7800259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97930489A Expired - Lifetime EP0912974B1 (de) | 1996-07-19 | 1997-07-02 | Verfahren zur verringerung von störungen eines sprachsignals |
Country Status (8)
Country | Link |
---|---|
US (1) | US6687669B1 (de) |
EP (1) | EP0912974B1 (de) |
JP (1) | JP4187795B2 (de) |
AT (1) | ATE191806T1 (de) |
CA (1) | CA2260893C (de) |
DE (2) | DE19629132A1 (de) |
ES (1) | ES2146107T3 (de) |
WO (1) | WO1998003965A1 (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7062039B1 (en) | 1999-05-27 | 2006-06-13 | Telefonaktiebolaget Lm Ericsson | Methods and apparatus for improving adaptive filter performance by inclusion of inaudible information |
US7117149B1 (en) * | 1999-08-30 | 2006-10-03 | Harman Becker Automotive Systems-Wavemakers, Inc. | Sound source classification |
DE19957220A1 (de) * | 1999-11-27 | 2001-06-21 | Alcatel Sa | An den aktuellen Geräuschpegel adaptierte Geräuschunterdrückung |
US6473733B1 (en) * | 1999-12-01 | 2002-10-29 | Research In Motion Limited | Signal enhancement for voice coding |
JP3566197B2 (ja) * | 2000-08-31 | 2004-09-15 | 松下電器産業株式会社 | 雑音抑圧装置及び雑音抑圧方法 |
US7457750B2 (en) * | 2000-10-13 | 2008-11-25 | At&T Corp. | Systems and methods for dynamic re-configurable speech recognition |
US20040078199A1 (en) * | 2002-08-20 | 2004-04-22 | Hanoh Kremer | Method for auditory based noise reduction and an apparatus for auditory based noise reduction |
US8073689B2 (en) | 2003-02-21 | 2011-12-06 | Qnx Software Systems Co. | Repetitive transient noise removal |
US7895036B2 (en) * | 2003-02-21 | 2011-02-22 | Qnx Software Systems Co. | System for suppressing wind noise |
US7725315B2 (en) * | 2003-02-21 | 2010-05-25 | Qnx Software Systems (Wavemakers), Inc. | Minimization of transient noises in a voice signal |
US7885420B2 (en) * | 2003-02-21 | 2011-02-08 | Qnx Software Systems Co. | Wind noise suppression system |
US8326621B2 (en) | 2003-02-21 | 2012-12-04 | Qnx Software Systems Limited | Repetitive transient noise removal |
US8271279B2 (en) | 2003-02-21 | 2012-09-18 | Qnx Software Systems Limited | Signature noise removal |
US7949522B2 (en) | 2003-02-21 | 2011-05-24 | Qnx Software Systems Co. | System for suppressing rain noise |
US7406412B2 (en) * | 2004-04-20 | 2008-07-29 | Dolby Laboratories Licensing Corporation | Reduced computational complexity of bit allocation for perceptual coding |
US8170879B2 (en) * | 2004-10-26 | 2012-05-01 | Qnx Software Systems Limited | Periodic signal enhancement system |
US7716046B2 (en) * | 2004-10-26 | 2010-05-11 | Qnx Software Systems (Wavemakers), Inc. | Advanced periodic signal enhancement |
US7680652B2 (en) | 2004-10-26 | 2010-03-16 | Qnx Software Systems (Wavemakers), Inc. | Periodic signal enhancement system |
US8543390B2 (en) * | 2004-10-26 | 2013-09-24 | Qnx Software Systems Limited | Multi-channel periodic signal enhancement system |
US7949520B2 (en) * | 2004-10-26 | 2011-05-24 | QNX Software Sytems Co. | Adaptive filter pitch extraction |
US8306821B2 (en) * | 2004-10-26 | 2012-11-06 | Qnx Software Systems Limited | Sub-band periodic signal enhancement system |
US7610196B2 (en) * | 2004-10-26 | 2009-10-27 | Qnx Software Systems (Wavemakers), Inc. | Periodic signal enhancement system |
DE102005001345B4 (de) * | 2004-11-10 | 2013-01-31 | Ask Industries Gmbh | Verfahren und Vorrichtung zur Verarbeitung und Wiedergabe von Audiosignalen |
US8284947B2 (en) * | 2004-12-01 | 2012-10-09 | Qnx Software Systems Limited | Reverberation estimation and suppression system |
US8027833B2 (en) * | 2005-05-09 | 2011-09-27 | Qnx Software Systems Co. | System for suppressing passing tire hiss |
US8311819B2 (en) * | 2005-06-15 | 2012-11-13 | Qnx Software Systems Limited | System for detecting speech with background voice estimates and noise estimates |
US8170875B2 (en) | 2005-06-15 | 2012-05-01 | Qnx Software Systems Limited | Speech end-pointer |
JP4738213B2 (ja) * | 2006-03-09 | 2011-08-03 | 富士通株式会社 | 利得調整方法及び利得調整装置 |
US7844453B2 (en) | 2006-05-12 | 2010-11-30 | Qnx Software Systems Co. | Robust noise estimation |
US8335685B2 (en) | 2006-12-22 | 2012-12-18 | Qnx Software Systems Limited | Ambient noise compensation system robust to high excitation noise |
US8326620B2 (en) | 2008-04-30 | 2012-12-04 | Qnx Software Systems Limited | Robust downlink speech and noise detector |
US20080231557A1 (en) * | 2007-03-20 | 2008-09-25 | Leadis Technology, Inc. | Emission control in aged active matrix oled display using voltage ratio or current ratio |
DE102007030209A1 (de) * | 2007-06-27 | 2009-01-08 | Siemens Audiologische Technik Gmbh | Glättungsverfahren |
US8904400B2 (en) * | 2007-09-11 | 2014-12-02 | 2236008 Ontario Inc. | Processing system having a partitioning component for resource partitioning |
US8850154B2 (en) | 2007-09-11 | 2014-09-30 | 2236008 Ontario Inc. | Processing system having memory partitioning |
US8694310B2 (en) | 2007-09-17 | 2014-04-08 | Qnx Software Systems Limited | Remote control server protocol system |
US8209514B2 (en) * | 2008-02-04 | 2012-06-26 | Qnx Software Systems Limited | Media processing system having resource partitioning |
US9020158B2 (en) * | 2008-11-20 | 2015-04-28 | Harman International Industries, Incorporated | Quiet zone control system |
US8135140B2 (en) | 2008-11-20 | 2012-03-13 | Harman International Industries, Incorporated | System for active noise control with audio signal compensation |
US8718289B2 (en) * | 2009-01-12 | 2014-05-06 | Harman International Industries, Incorporated | System for active noise control with parallel adaptive filter configuration |
US8189799B2 (en) * | 2009-04-09 | 2012-05-29 | Harman International Industries, Incorporated | System for active noise control based on audio system output |
US8199924B2 (en) * | 2009-04-17 | 2012-06-12 | Harman International Industries, Incorporated | System for active noise control with an infinite impulse response filter |
US8077873B2 (en) * | 2009-05-14 | 2011-12-13 | Harman International Industries, Incorporated | System for active noise control with adaptive speaker selection |
US9280964B2 (en) * | 2013-03-14 | 2016-03-08 | Fishman Transducers, Inc. | Device and method for processing signals associated with sound |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3639753A1 (de) * | 1986-11-21 | 1988-06-01 | Inst Rundfunktechnik Gmbh | Verfahren zum uebertragen digitalisierter tonsignale |
DE3805946A1 (de) * | 1988-02-25 | 1989-09-07 | Fraunhofer Ges Forschung | Vorrichtung zur ermittlung von charakteristischen parametern aus den eingangs- und ausgangssignalen eines systems fuer die audiosignalverarbeitung |
DE4307688A1 (de) * | 1993-03-11 | 1994-09-15 | Daimler Benz Ag | Verfahren zur Geräuschreduktion für gestörte Sprachkanäle |
US5400409A (en) * | 1992-12-23 | 1995-03-21 | Daimler-Benz Ag | Noise-reduction method for noise-affected voice channels |
SG49709A1 (en) * | 1993-02-12 | 1998-06-15 | British Telecomm | Noise reduction |
JP3626492B2 (ja) * | 1993-07-07 | 2005-03-09 | ポリコム・インコーポレイテッド | 会話の品質向上のための背景雑音の低減 |
JP3131542B2 (ja) * | 1993-11-25 | 2001-02-05 | シャープ株式会社 | 符号化復号化装置 |
EP0682801B1 (de) * | 1993-12-06 | 1999-09-15 | Koninklijke Philips Electronics N.V. | System und vorrichtung zur rauschunterdrückung sowie mobilfunkgerät |
DE4405723A1 (de) * | 1994-02-23 | 1995-08-24 | Daimler Benz Ag | Verfahren zur Geräuschreduktion eines gestörten Sprachsignals |
-
1996
- 1996-07-19 DE DE19629132A patent/DE19629132A1/de not_active Withdrawn
-
1997
- 1997-07-02 DE DE59701446T patent/DE59701446D1/de not_active Expired - Lifetime
- 1997-07-02 WO PCT/EP1997/003482 patent/WO1998003965A1/de active IP Right Grant
- 1997-07-02 JP JP50648198A patent/JP4187795B2/ja not_active Expired - Lifetime
- 1997-07-02 US US09/214,910 patent/US6687669B1/en not_active Expired - Lifetime
- 1997-07-02 ES ES97930489T patent/ES2146107T3/es not_active Expired - Lifetime
- 1997-07-02 EP EP97930489A patent/EP0912974B1/de not_active Expired - Lifetime
- 1997-07-02 AT AT97930489T patent/ATE191806T1/de not_active IP Right Cessation
- 1997-07-02 CA CA002260893A patent/CA2260893C/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9803965A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE191806T1 (de) | 2000-04-15 |
CA2260893A1 (en) | 1998-01-29 |
JP4187795B2 (ja) | 2008-11-26 |
CA2260893C (en) | 2005-05-17 |
JP2002509620A (ja) | 2002-03-26 |
DE59701446D1 (de) | 2000-05-18 |
ES2146107T3 (es) | 2000-07-16 |
EP0912974B1 (de) | 2000-04-12 |
US6687669B1 (en) | 2004-02-03 |
DE19629132A1 (de) | 1998-01-22 |
WO1998003965A1 (de) | 1998-01-29 |
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