AU5103700A - Noise signal encoder and voice signal encoder - Google Patents
Noise signal encoder and voice signal encoderInfo
- Publication number
- AU5103700A AU5103700A AU51037/00A AU5103700A AU5103700A AU 5103700 A AU5103700 A AU 5103700A AU 51037/00 A AU51037/00 A AU 51037/00A AU 5103700 A AU5103700 A AU 5103700A AU 5103700 A AU5103700 A AU 5103700A
- Authority
- AU
- Australia
- Prior art keywords
- signal encoder
- voice signal
- noise signal
- noise
- voice
- 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.)
- Abandoned
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
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/012—Comfort noise or silence coding
-
- 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
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02168—Noise filtering characterised by the method used for estimating noise the estimation exclusively taking place during speech pauses
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16854599A JP4464484B2 (en) | 1999-06-15 | 1999-06-15 | Noise signal encoding apparatus and speech signal encoding apparatus |
JP11/168545 | 1999-06-15 | ||
PCT/JP2000/003526 WO2000077774A1 (en) | 1999-06-15 | 2000-06-01 | Noise signal encoder and voice signal encoder |
Publications (1)
Publication Number | Publication Date |
---|---|
AU5103700A true AU5103700A (en) | 2001-01-02 |
Family
ID=15870014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU51037/00A Abandoned AU5103700A (en) | 1999-06-15 | 2000-06-01 | Noise signal encoder and voice signal encoder |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1120775A4 (en) |
JP (1) | JP4464484B2 (en) |
CN (1) | CN1313983A (en) |
AU (1) | AU5103700A (en) |
WO (1) | WO2000077774A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4769121B2 (en) * | 2006-05-15 | 2011-09-07 | 日本電信電話株式会社 | Server / client type speech recognition method, apparatus, server / client type speech recognition program, and recording medium |
WO2009001887A1 (en) * | 2007-06-27 | 2008-12-31 | Nec Corporation | Multi-point connection device, signal analysis and device, method, and program |
CN101546557B (en) * | 2008-03-28 | 2011-03-23 | 展讯通信(上海)有限公司 | Method for updating classifier parameters for identifying audio content |
WO2010070187A1 (en) * | 2008-12-19 | 2010-06-24 | Nokia Corporation | An apparatus, a method and a computer program for coding |
SG192718A1 (en) * | 2011-02-14 | 2013-09-30 | Fraunhofer Ges Forschung | Audio codec using noise synthesis during inactive phases |
BR112013020588B1 (en) | 2011-02-14 | 2021-07-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | APPARATUS AND METHOD FOR ENCODING A PART OF AN AUDIO SIGNAL USING A TRANSIENT DETECTION AND A QUALITY RESULT |
TWI484479B (en) | 2011-02-14 | 2015-05-11 | Fraunhofer Ges Forschung | Apparatus and method for error concealment in low-delay unified speech and audio coding |
ES2529025T3 (en) | 2011-02-14 | 2015-02-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing a decoded audio signal in a spectral domain |
PL2676266T3 (en) | 2011-02-14 | 2015-08-31 | Fraunhofer Ges Forschung | Linear prediction based coding scheme using spectral domain noise shaping |
PT2676267T (en) | 2011-02-14 | 2017-09-26 | Fraunhofer Ges Forschung | Encoding and decoding of pulse positions of tracks of an audio signal |
CN105304090B (en) | 2011-02-14 | 2019-04-09 | 弗劳恩霍夫应用研究促进协会 | Using the prediction part of alignment by audio-frequency signal coding and decoded apparatus and method |
MY159444A (en) | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
MX2012013025A (en) | 2011-02-14 | 2013-01-22 | Fraunhofer Ges Forschung | Information signal representation using lapped transform. |
CN104469250B (en) * | 2013-09-23 | 2019-07-26 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
EP3010017A1 (en) * | 2014-10-14 | 2016-04-20 | Thomson Licensing | Method and apparatus for separating speech data from background data in audio communication |
CN106971741B (en) * | 2016-01-14 | 2020-12-01 | 芋头科技(杭州)有限公司 | Method and system for voice noise reduction for separating voice in real time |
KR102465227B1 (en) | 2016-05-30 | 2022-11-10 | 소니그룹주식회사 | Image and sound processing apparatus and method, and a computer-readable recording medium storing a program |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2692104B2 (en) * | 1988-02-12 | 1997-12-17 | 株式会社日立製作所 | Voice multiplexing system |
JPH07129195A (en) * | 1993-11-05 | 1995-05-19 | Nec Corp | Sound decoding device |
JP3173639B2 (en) * | 1995-05-26 | 2001-06-04 | 株式会社エヌ・ティ・ティ・ドコモ | Background noise update system and method |
JP2806308B2 (en) * | 1995-06-30 | 1998-09-30 | 日本電気株式会社 | Audio decoding device |
JP3259759B2 (en) * | 1996-07-22 | 2002-02-25 | 日本電気株式会社 | Audio signal transmission method and audio code decoding system |
US5960389A (en) * | 1996-11-15 | 1999-09-28 | Nokia Mobile Phones Limited | Methods for generating comfort noise during discontinuous transmission |
JP3575967B2 (en) * | 1996-12-02 | 2004-10-13 | 沖電気工業株式会社 | Voice communication system and voice communication method |
JP3119204B2 (en) * | 1997-06-27 | 2000-12-18 | 日本電気株式会社 | Audio coding device |
JP2000122698A (en) * | 1998-10-19 | 2000-04-28 | Mitsubishi Electric Corp | Voice encoder |
AU5032000A (en) * | 1999-06-07 | 2000-12-28 | Ericsson Inc. | Methods and apparatus for generating comfort noise using parametric noise model statistics |
-
1999
- 1999-06-15 JP JP16854599A patent/JP4464484B2/en not_active Expired - Fee Related
-
2000
- 2000-06-01 EP EP00935511A patent/EP1120775A4/en not_active Withdrawn
- 2000-06-01 AU AU51037/00A patent/AU5103700A/en not_active Abandoned
- 2000-06-01 WO PCT/JP2000/003526 patent/WO2000077774A1/en not_active Application Discontinuation
- 2000-06-01 CN CN00801092.7A patent/CN1313983A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN1313983A (en) | 2001-09-19 |
EP1120775A4 (en) | 2001-09-26 |
JP4464484B2 (en) | 2010-05-19 |
JP2000357000A (en) | 2000-12-26 |
EP1120775A1 (en) | 2001-08-01 |
WO2000077774A1 (en) | 2000-12-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |