PL2132731T3 - Metoda i konfiguracja stosowana do wygładzania stacjonarnego szumu tła - Google Patents
Metoda i konfiguracja stosowana do wygładzania stacjonarnego szumu tłaInfo
- Publication number
- PL2132731T3 PL2132731T3 PL08712799T PL08712799T PL2132731T3 PL 2132731 T3 PL2132731 T3 PL 2132731T3 PL 08712799 T PL08712799 T PL 08712799T PL 08712799 T PL08712799 T PL 08712799T PL 2132731 T3 PL2132731 T3 PL 2132731T3
- Authority
- PL
- Poland
- Prior art keywords
- smoothing
- arrangement
- background noise
- stationary background
- stationary
- Prior art date
Links
- 238000009499 grossing Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
- G10L19/04—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 using predictive techniques
- G10L19/26—Pre-filtering or post-filtering
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89299407P | 2007-03-05 | 2007-03-05 | |
PCT/SE2008/050169 WO2008108719A1 (en) | 2007-03-05 | 2008-02-13 | Method and arrangement for smoothing of stationary background noise |
EP08712799.9A EP2132731B1 (en) | 2007-03-05 | 2008-02-13 | Method and arrangement for smoothing of stationary background noise |
Publications (1)
Publication Number | Publication Date |
---|---|
PL2132731T3 true PL2132731T3 (pl) | 2015-12-31 |
Family
ID=39738501
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL08712799T PL2132731T3 (pl) | 2007-03-05 | 2008-02-13 | Metoda i konfiguracja stosowana do wygładzania stacjonarnego szumu tła |
PL15175006T PL2945158T3 (pl) | 2007-03-05 | 2008-02-13 | Sposób i układ do wygładzania stacjonarnego szumu tła |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL15175006T PL2945158T3 (pl) | 2007-03-05 | 2008-02-13 | Sposób i układ do wygładzania stacjonarnego szumu tła |
Country Status (10)
Country | Link |
---|---|
US (1) | US8457953B2 (pl) |
EP (3) | EP2945158B1 (pl) |
JP (1) | JP5340965B2 (pl) |
KR (1) | KR101462293B1 (pl) |
CN (1) | CN101632119B (pl) |
AU (1) | AU2008221657B2 (pl) |
ES (2) | ES2778076T3 (pl) |
PL (2) | PL2132731T3 (pl) |
PT (1) | PT2945158T (pl) |
WO (1) | WO2008108719A1 (pl) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8386266B2 (en) | 2010-07-01 | 2013-02-26 | Polycom, Inc. | Full-band scalable audio codec |
WO2012065081A1 (en) | 2010-11-12 | 2012-05-18 | Polycom, Inc. | Scalable audio in a multi-point environment |
ES2805308T3 (es) * | 2011-11-03 | 2021-02-11 | Voiceage Evs Llc | Mejora del contenido insonoro para decodificador CELP de tasa baja |
PL3550562T3 (pl) * | 2013-02-22 | 2021-05-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Sposoby i urządzenia dla zawieszenia DTX w kodowaniu audio |
CN105761723B (zh) | 2013-09-26 | 2019-01-15 | 华为技术有限公司 | 一种高频激励信号预测方法及装置 |
US9697843B2 (en) * | 2014-04-30 | 2017-07-04 | Qualcomm Incorporated | High band excitation signal generation |
CN105225670B (zh) * | 2014-06-27 | 2016-12-28 | 华为技术有限公司 | 一种音频编码方法和装置 |
CN106531175B (zh) * | 2016-11-13 | 2019-09-03 | 南京汉隆科技有限公司 | 一种网络话机柔和噪声产生的方法 |
KR102198598B1 (ko) * | 2019-01-11 | 2021-01-05 | 네이버 주식회사 | 합성 음성 신호 생성 방법, 뉴럴 보코더 및 뉴럴 보코더의 훈련 방법 |
Family Cites Families (35)
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US4667340A (en) * | 1983-04-13 | 1987-05-19 | Texas Instruments Incorporated | Voice messaging system with pitch-congruent baseband coding |
US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
SE470577B (sv) | 1993-01-29 | 1994-09-19 | Ericsson Telefon Ab L M | Förfarande och anordning för kodning och/eller avkodning av bakgrundsljud |
SE501305C2 (sv) | 1993-05-26 | 1995-01-09 | Ericsson Telefon Ab L M | Förfarande och anordning för diskriminering mellan stationära och icke stationära signaler |
JP2906968B2 (ja) * | 1993-12-10 | 1999-06-21 | 日本電気株式会社 | マルチパルス符号化方法とその装置並びに分析器及び合成器 |
US5657422A (en) | 1994-01-28 | 1997-08-12 | Lucent Technologies Inc. | Voice activity detection driven noise remediator |
US5487087A (en) | 1994-05-17 | 1996-01-23 | Texas Instruments Incorporated | Signal quantizer with reduced output fluctuation |
JP3557662B2 (ja) * | 1994-08-30 | 2004-08-25 | ソニー株式会社 | 音声符号化方法及び音声復号化方法、並びに音声符号化装置及び音声復号化装置 |
US5781880A (en) * | 1994-11-21 | 1998-07-14 | Rockwell International Corporation | Pitch lag estimation using frequency-domain lowpass filtering of the linear predictive coding (LPC) residual |
US5727125A (en) * | 1994-12-05 | 1998-03-10 | Motorola, Inc. | Method and apparatus for synthesis of speech excitation waveforms |
CN1155139A (zh) * | 1995-06-30 | 1997-07-23 | 索尼公司 | 降低语音信号噪声的方法 |
US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
EP0763818B1 (en) * | 1995-09-14 | 2003-05-14 | Kabushiki Kaisha Toshiba | Formant emphasis method and formant emphasis filter device |
JP3607774B2 (ja) * | 1996-04-12 | 2005-01-05 | オリンパス株式会社 | 音声符号化装置 |
GB2312360B (en) * | 1996-04-12 | 2001-01-24 | Olympus Optical Co | Voice signal coding apparatus |
JP3270922B2 (ja) * | 1996-09-09 | 2002-04-02 | 富士通株式会社 | 符号化,復号化方法及び符号化,復号化装置 |
JPH1091194A (ja) * | 1996-09-18 | 1998-04-10 | Sony Corp | 音声復号化方法及び装置 |
US6269331B1 (en) * | 1996-11-14 | 2001-07-31 | Nokia Mobile Phones Limited | Transmission of comfort noise parameters during discontinuous transmission |
US5960389A (en) * | 1996-11-15 | 1999-09-28 | Nokia Mobile Phones Limited | Methods for generating comfort noise during discontinuous transmission |
TW326070B (en) | 1996-12-19 | 1998-02-01 | Holtek Microelectronics Inc | The estimation method of the impulse gain for coding vocoder |
US6026356A (en) * | 1997-07-03 | 2000-02-15 | Nortel Networks Corporation | Methods and devices for noise conditioning signals representative of audio information in compressed and digitized form |
JP3223966B2 (ja) * | 1997-07-25 | 2001-10-29 | 日本電気株式会社 | 音声符号化/復号化装置 |
US6163608A (en) * | 1998-01-09 | 2000-12-19 | Ericsson Inc. | Methods and apparatus for providing comfort noise in communications systems |
GB9811019D0 (en) * | 1998-05-21 | 1998-07-22 | Univ Surrey | Speech coders |
US6240386B1 (en) * | 1998-08-24 | 2001-05-29 | Conexant Systems, Inc. | Speech codec employing noise classification for noise compensation |
US6275798B1 (en) | 1998-09-16 | 2001-08-14 | Telefonaktiebolaget L M Ericsson | Speech coding with improved background noise reproduction |
JP3417362B2 (ja) * | 1999-09-10 | 2003-06-16 | 日本電気株式会社 | 音声信号復号方法及び音声信号符号化復号方法 |
JP3478209B2 (ja) * | 1999-11-01 | 2003-12-15 | 日本電気株式会社 | 音声信号復号方法及び装置と音声信号符号化復号方法及び装置と記録媒体 |
JP2001142499A (ja) * | 1999-11-10 | 2001-05-25 | Nec Corp | 音声符号化装置ならびに音声復号化装置 |
KR100743534B1 (ko) * | 2000-01-07 | 2007-07-27 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 디지털 정보를 전송하는 전송장치 및 전송방법 |
US7010480B2 (en) * | 2000-09-15 | 2006-03-07 | Mindspeed Technologies, Inc. | Controlling a weighting filter based on the spectral content of a speech signal |
US6691085B1 (en) * | 2000-10-18 | 2004-02-10 | Nokia Mobile Phones Ltd. | Method and system for estimating artificial high band signal in speech codec using voice activity information |
JP3558031B2 (ja) * | 2000-11-06 | 2004-08-25 | 日本電気株式会社 | 音声復号化装置 |
US7478042B2 (en) * | 2000-11-30 | 2009-01-13 | Panasonic Corporation | Speech decoder that detects stationary noise signal regions |
TW564400B (en) * | 2001-12-25 | 2003-12-01 | Univ Nat Cheng Kung | Speech coding/decoding method and speech coder/decoder |
-
2008
- 2008-02-13 WO PCT/SE2008/050169 patent/WO2008108719A1/en active Application Filing
- 2008-02-13 EP EP15175006.4A patent/EP2945158B1/en active Active
- 2008-02-13 ES ES15175006T patent/ES2778076T3/es active Active
- 2008-02-13 PT PT151750064T patent/PT2945158T/pt unknown
- 2008-02-13 CN CN2008800072341A patent/CN101632119B/zh active Active
- 2008-02-13 EP EP19209643.6A patent/EP3629328A1/en not_active Withdrawn
- 2008-02-13 PL PL08712799T patent/PL2132731T3/pl unknown
- 2008-02-13 US US12/530,333 patent/US8457953B2/en active Active
- 2008-02-13 AU AU2008221657A patent/AU2008221657B2/en active Active
- 2008-02-13 ES ES08712799.9T patent/ES2548010T3/es active Active
- 2008-02-13 KR KR1020097020591A patent/KR101462293B1/ko active IP Right Grant
- 2008-02-13 EP EP08712799.9A patent/EP2132731B1/en active Active
- 2008-02-13 JP JP2009552636A patent/JP5340965B2/ja active Active
- 2008-02-13 PL PL15175006T patent/PL2945158T3/pl unknown
Also Published As
Publication number | Publication date |
---|---|
WO2008108719A1 (en) | 2008-09-12 |
US20100114567A1 (en) | 2010-05-06 |
AU2008221657B2 (en) | 2010-12-02 |
JP2010520512A (ja) | 2010-06-10 |
US8457953B2 (en) | 2013-06-04 |
PL2945158T3 (pl) | 2020-07-13 |
AU2008221657A1 (en) | 2008-09-12 |
EP2132731B1 (en) | 2015-07-22 |
KR20090129450A (ko) | 2009-12-16 |
ES2778076T3 (es) | 2020-08-07 |
EP2132731A4 (en) | 2014-04-16 |
PT2945158T (pt) | 2020-02-18 |
KR101462293B1 (ko) | 2014-11-14 |
JP5340965B2 (ja) | 2013-11-13 |
CN101632119A (zh) | 2010-01-20 |
ES2548010T3 (es) | 2015-10-13 |
EP2132731A1 (en) | 2009-12-16 |
CN101632119B (zh) | 2012-08-15 |
EP2945158B1 (en) | 2019-12-25 |
EP3629328A1 (en) | 2020-04-01 |
EP2945158A1 (en) | 2015-11-18 |
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