CN101604525B - 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
- CN101604525B CN101604525B CN2008102474280A CN200810247428A CN101604525B CN 101604525 B CN101604525 B CN 101604525B CN 2008102474280 A CN2008102474280 A CN 2008102474280A CN 200810247428 A CN200810247428 A CN 200810247428A CN 101604525 B CN101604525 B CN 101604525B
- Authority
- CN
- China
- Prior art keywords
- fundamental tone
- signal message
- gain
- interval
- pitch gain
- 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.)
- Active
Links
Images
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
- G10L19/04—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
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)
Abstract
Description
Claims (7)
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 |
EP09836071A EP2352146A4 (en) | 2008-12-31 | 2009-12-30 | METHOD AND DEVICE FOR OBTAINING PITCH-GAINS AND CODING AND DECODING DEVICE |
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 |
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 CN101604525A (zh) | 2009-12-16 |
CN101604525B true 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) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US9589570B2 (en) * | 2012-09-18 | 2017-03-07 | Huawei Technologies Co., Ltd. | Audio classification based on perceptual quality for low or medium bit rates |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1920950A (zh) * | 2006-09-25 | 2007-02-28 | 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 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE69721595T2 (de) * | 1996-11-07 | 2003-11-27 | Matsushita Electric Ind Co Ltd | Verfahren zur Erzeugung eines Vektorquantisierungs-Codebuchs |
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 |
EP1618557B1 (en) * | 2003-05-01 | 2007-07-25 | Nokia Corporation | Method and device for gain quantization in variable bit rate wideband speech coding |
BRPI0415464B1 (pt) * | 2003-10-23 | 2019-04-24 | Panasonic Intellectual Property Management Co., Ltd. | Aparelho e método de codificação de espectro. |
EP1775717B1 (en) * | 2004-07-20 | 2013-09-11 | Panasonic Corporation | Speech decoding apparatus and compensation frame generation method |
KR20060067016A (ko) * | 2004-12-14 | 2006-06-19 | 엘지전자 주식회사 | 음성 부호화 장치 및 방법 |
TWI317933B (en) * | 2005-04-22 | 2009-12-01 | Qualcomm Inc | Methods, data storage medium,apparatus of signal processing,and cellular telephone including the same |
US7930176B2 (en) * | 2005-05-20 | 2011-04-19 | Broadcom Corporation | Packet loss concealment for block-independent speech codecs |
WO2007083933A1 (en) * | 2006-01-18 | 2007-07-26 | Lg Electronics Inc. | Apparatus and method for encoding and decoding signal |
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 |
US8175870B2 (en) * | 2006-12-26 | 2012-05-08 | Huawei Technologies Co., Ltd. | Dual-pulse excited linear prediction for speech coding |
US8010351B2 (en) * | 2006-12-26 | 2011-08-30 | Yang Gao | Speech coding system to improve packet loss concealment |
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 |
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 EP EP09836071A patent/EP2352146A4/en not_active Withdrawn
- 2009-12-30 WO PCT/CN2009/076232 patent/WO2010075784A1/zh active Application Filing
-
2011
- 2011-05-17 US US13/109,679 patent/US20110218800A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1920950A (zh) * | 2006-09-25 | 2007-02-28 | 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 |
Also Published As
Publication number | Publication date |
---|---|
EP2352146A4 (en) | 2012-05-09 |
WO2010075784A1 (zh) | 2010-07-08 |
CN101604525A (zh) | 2009-12-16 |
EP2352146A1 (en) | 2011-08-03 |
US20110218800A1 (en) | 2011-09-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
RU2591663C2 (ru) | Аудио кодер, аудио декодер, способ кодирования аудио информации, способ декодирования аудио информации и компьютерная программа, использующая обнаружение группы ранее декодированных спектральных значений | |
CN100446426C (zh) | 无损解码器及其方法 | |
CN102687199A (zh) | 编码方法、解码方法、编码装置、解码装置、程序以及记录介质 | |
CN1377499A (zh) | 采用可变时间/频率分辨率和时间/频率转换的有效频谱包络编码方法 | |
US10089995B2 (en) | Vector joint encoding/decoding method and vector joint encoder/decoder | |
CN101339768A (zh) | 合成滤波器状态更新方法及装置 | |
KR20100089772A (ko) | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 | |
US8380495B2 (en) | Transcoding method, transcoding device and communication apparatus used between discontinuous transmission | |
CN101604525B (zh) | 基音增益获取方法、装置及编码器、解码器 | |
CN101636785A (zh) | 用于增强语音编解码器的质量的设备和方法 | |
CN101266795B (zh) | 一种格矢量量化编解码的实现方法及装置 | |
CN102067211B (zh) | 一种线性预测分析方法、装置及系统 | |
JP5604572B2 (ja) | 複雑さ分散によるデジタル信号の転送誤り偽装 | |
JP6334564B2 (ja) | 低複雑度の調性適応音声信号量子化 | |
CN101609681A (zh) | 编码方法、编码器、解码方法及解码器 | |
CN102239518B (zh) | 编码和解码方法及装置 | |
US8502708B2 (en) | Encoding method and decoding method, and devices, program and recording medium for the same | |
CN103391440A (zh) | 语法信息的二值化编码处理方法及装置 | |
CN102098057B (zh) | 一种量化编解码方法和装置 | |
CN102930871B (zh) | 一种线性预测分析方法、装置及系统 | |
US9070362B2 (en) | Audio quantization coding and decoding device and method thereof | |
CN101609677B (zh) | 一种预处理方法、装置及编码设备 | |
JPH11219196A (ja) | 音声合成方法 | |
JPH09102190A (ja) | 信号記録装置、及び信号読出装置、並びに信号記録・読出装置 | |
CN103035249B (zh) | 一种基于时频平面上下文的音频算术编码方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C53 | Correction of patent for invention or patent application | ||
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 |
|
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 |