CN101604525A - 基音增益获取方法、装置及编码器、解码器 - Google Patents
基音增益获取方法、装置及编码器、解码器 Download PDFInfo
- Publication number
- CN101604525A CN101604525A CNA2008102474280A CN200810247428A CN101604525A CN 101604525 A CN101604525 A CN 101604525A CN A2008102474280 A CNA2008102474280 A CN A2008102474280A CN 200810247428 A CN200810247428 A CN 200810247428A CN 101604525 A CN101604525 A CN 101604525A
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- CN
- China
- Prior art keywords
- fundamental tone
- tone gain
- signal message
- gain
- signal
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- 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
- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
Abstract
Description
Claims (8)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008102474280A CN101604525B (zh) | 2008-12-31 | 2008-12-31 | 基音增益获取方法、装置及编码器、解码器 |
PCT/CN2009/076232 WO2010075784A1 (zh) | 2008-12-31 | 2009-12-30 | 基音增益获取方法、装置及编码器、解码器 |
EP09836071A EP2352146A4 (en) | 2008-12-31 | 2009-12-30 | METHOD AND DEVICE FOR OBTAINING PITCH-GAINS AND CODING AND DECODING DEVICE |
US13/109,679 US20110218800A1 (en) | 2008-12-31 | 2011-05-17 | Method and apparatus for obtaining pitch gain, and coder and decoder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008102474280A CN101604525B (zh) | 2008-12-31 | 2008-12-31 | 基音增益获取方法、装置及编码器、解码器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101604525A true CN101604525A (zh) | 2009-12-16 |
CN101604525B CN101604525B (zh) | 2011-04-06 |
Family
ID=41470231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008102474280A Active CN101604525B (zh) | 2008-12-31 | 2008-12-31 | 基音增益获取方法、装置及编码器、解码器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20110218800A1 (zh) |
EP (1) | EP2352146A4 (zh) |
CN (1) | CN101604525B (zh) |
WO (1) | WO2010075784A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010075784A1 (zh) * | 2008-12-31 | 2010-07-08 | 华为技术有限公司 | 基音增益获取方法、装置及编码器、解码器 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9589570B2 (en) | 2012-09-18 | 2017-03-07 | Huawei Technologies Co., Ltd. | Audio classification based on perceptual quality for low or medium bit rates |
Family Cites Families (37)
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US4486900A (en) * | 1982-03-30 | 1984-12-04 | At&T Bell Laboratories | Real time pitch detection by stream processing |
JPS60239798A (ja) * | 1984-05-14 | 1985-11-28 | 日本電気株式会社 | 音声信号符号化/復号化装置 |
CA1252568A (en) * | 1984-12-24 | 1989-04-11 | Kazunori Ozawa | Low bit-rate pattern encoding and decoding capable of reducing an information transmission rate |
JP2940005B2 (ja) * | 1989-07-20 | 1999-08-25 | 日本電気株式会社 | 音声符号化装置 |
JPH04264600A (ja) * | 1991-02-20 | 1992-09-21 | Fujitsu Ltd | 音声符号化装置および音声復号装置 |
US5396576A (en) * | 1991-05-22 | 1995-03-07 | Nippon Telegraph And Telephone Corporation | Speech coding and decoding methods using adaptive and random code books |
IT1270438B (it) * | 1993-06-10 | 1997-05-05 | Sip | Procedimento e dispositivo per la determinazione del periodo del tono fondamentale e la classificazione del segnale vocale in codificatori numerici della voce |
US5574823A (en) * | 1993-06-23 | 1996-11-12 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Communications | Frequency selective harmonic coding |
US5664055A (en) * | 1995-06-07 | 1997-09-02 | Lucent Technologies Inc. | CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity |
CN1163870C (zh) * | 1996-08-02 | 2004-08-25 | 松下电器产业株式会社 | 声音编码装置和方法,声音译码装置,以及声音译码方法 |
EP0883107B9 (en) * | 1996-11-07 | 2005-01-26 | Matsushita Electric Industrial Co., Ltd | Sound source vector generator, voice encoder, and voice decoder |
CA2252170A1 (en) * | 1998-10-27 | 2000-04-27 | Bruno Bessette | A method and device for high quality coding of wideband speech and audio signals |
US6782360B1 (en) * | 1999-09-22 | 2004-08-24 | Mindspeed Technologies, Inc. | Gain quantization for a CELP speech coder |
US6510407B1 (en) * | 1999-10-19 | 2003-01-21 | Atmel Corporation | Method and apparatus for variable rate coding of speech |
US7080009B2 (en) * | 2000-05-01 | 2006-07-18 | Motorola, Inc. | Method and apparatus for reducing rate determination errors and their artifacts |
JP2001324996A (ja) * | 2000-05-15 | 2001-11-22 | Japan Music Agency Co Ltd | Mp3音楽データ再生方法及び装置 |
US6842733B1 (en) * | 2000-09-15 | 2005-01-11 | Mindspeed Technologies, Inc. | Signal processing system for filtering spectral content of a signal for speech coding |
JP3582589B2 (ja) * | 2001-03-07 | 2004-10-27 | 日本電気株式会社 | 音声符号化装置及び音声復号化装置 |
US7124075B2 (en) * | 2001-10-26 | 2006-10-17 | Dmitry Edward Terez | Methods and apparatus for pitch determination |
WO2004097797A1 (en) * | 2003-05-01 | 2004-11-11 | Nokia Corporation | Method and device for gain quantization in variable bit rate wideband speech coding |
KR20060090995A (ko) * | 2003-10-23 | 2006-08-17 | 마쓰시다 일렉트릭 인더스트리얼 컴패니 리미티드 | 스펙트럼 부호화 장치, 스펙트럼 복호화 장치, 음향 신호송신 장치, 음향 신호 수신장치 및 이들의 방법 |
CN1989548B (zh) * | 2004-07-20 | 2010-12-08 | 松下电器产业株式会社 | 语音解码装置及补偿帧生成方法 |
KR20060067016A (ko) * | 2004-12-14 | 2006-06-19 | 엘지전자 주식회사 | 음성 부호화 장치 및 방법 |
TWI324336B (en) * | 2005-04-22 | 2010-05-01 | Qualcomm Inc | Method of signal processing and apparatus for gain factor smoothing |
US7930176B2 (en) * | 2005-05-20 | 2011-04-19 | Broadcom Corporation | Packet loss concealment for block-independent speech codecs |
JP2009524101A (ja) * | 2006-01-18 | 2009-06-25 | エルジー エレクトロニクス インコーポレイティド | 符号化/復号化装置及び方法 |
FR2897977A1 (fr) * | 2006-02-28 | 2007-08-31 | France Telecom | Procede de limitation de gain d'excitation adaptative dans un decodeur audio |
US20070282601A1 (en) * | 2006-06-02 | 2007-12-06 | Texas Instruments Inc. | Packet loss concealment for a conjugate structure algebraic code excited linear prediction decoder |
US8135047B2 (en) * | 2006-07-31 | 2012-03-13 | Qualcomm Incorporated | Systems and methods for including an identifier with a packet associated with a speech signal |
CN1920950B (zh) * | 2006-09-25 | 2010-07-07 | 北京理工大学 | 一种基于Haar小波提升的特征波形分解与重构方法 |
US8175870B2 (en) * | 2006-12-26 | 2012-05-08 | Huawei Technologies Co., Ltd. | Dual-pulse excited linear prediction for speech coding |
CN103383846B (zh) * | 2006-12-26 | 2016-08-10 | 华为技术有限公司 | 改进语音丢包修补质量的语音编码方法 |
US8010351B2 (en) * | 2006-12-26 | 2011-08-30 | Yang Gao | Speech coding system to improve packet loss concealment |
CN101303858B (zh) * | 2007-05-11 | 2011-06-01 | 华为技术有限公司 | 实现基音增强后处理的方法及装置 |
US9653088B2 (en) * | 2007-06-13 | 2017-05-16 | Qualcomm Incorporated | Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding |
US8768690B2 (en) * | 2008-06-20 | 2014-07-01 | Qualcomm Incorporated | Coding scheme selection for low-bit-rate applications |
CN101604525B (zh) * | 2008-12-31 | 2011-04-06 | 华为技术有限公司 | 基音增益获取方法、装置及编码器、解码器 |
-
2008
- 2008-12-31 CN CN2008102474280A patent/CN101604525B/zh active Active
-
2009
- 2009-12-30 WO PCT/CN2009/076232 patent/WO2010075784A1/zh active Application Filing
- 2009-12-30 EP EP09836071A patent/EP2352146A4/en not_active Withdrawn
-
2011
- 2011-05-17 US US13/109,679 patent/US20110218800A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010075784A1 (zh) * | 2008-12-31 | 2010-07-08 | 华为技术有限公司 | 基音增益获取方法、装置及编码器、解码器 |
Also Published As
Publication number | Publication date |
---|---|
EP2352146A1 (en) | 2011-08-03 |
EP2352146A4 (en) | 2012-05-09 |
WO2010075784A1 (zh) | 2010-07-08 |
CN101604525B (zh) | 2011-04-06 |
US20110218800A1 (en) | 2011-09-08 |
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C14 | Grant of patent or utility model | ||
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CB03 | Change of inventor or designer information |
Inventor after: Zhang Dejun Inventor after: Miao Lei Inventor after: Xu Jianfeng Inventor after: Qi Fengyan Inventor after: Zhang Qing Inventor after: Li Lixiong Inventor after: Ma Fuwei Inventor before: Zhang Dejun Inventor before: Miao Lei Inventor before: Xu Jianfeng Inventor before: Qi Fengyan Inventor before: Zhang Qing Inventor before: Harvey.Myhill.Tadee Inventor before: Li Lixiong Inventor before: Ma Fuwei |
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COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHANG DEJUN MIAO LEI XU JIANFENG QI FENGYAN ZHANG QING TATI HARVEY MYHILL LI LIXIONG MA FUWEI TO: ZHANG DEJUN MIAO LEI XU JIANFENG QI FENGYAN ZHANG QING LI LIXIONG MA FUWEI |