CN101617362A - 语音解码装置和语音解码方法 - Google Patents
语音解码装置和语音解码方法 Download PDFInfo
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- CN101617362A CN101617362A CN200880005495A CN200880005495A CN101617362A CN 101617362 A CN101617362 A CN 101617362A CN 200880005495 A CN200880005495 A CN 200880005495A CN 200880005495 A CN200880005495 A CN 200880005495A CN 101617362 A CN101617362 A CN 101617362A
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- 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
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- 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)
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Abstract
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Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP053531/2007 | 2007-03-02 | ||
JP2007053531 | 2007-03-02 | ||
PCT/JP2008/000406 WO2008108082A1 (ja) | 2007-03-02 | 2008-02-29 | 音声復号装置および音声復号方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101617362A true CN101617362A (zh) | 2009-12-30 |
CN101617362B CN101617362B (zh) | 2012-07-18 |
Family
ID=39737980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880005495XA Expired - Fee Related CN101617362B (zh) | 2007-03-02 | 2008-02-29 | 语音解码装置和语音解码方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8554548B2 (zh) |
EP (1) | EP2116997A4 (zh) |
JP (1) | JP5164970B2 (zh) |
CN (1) | CN101617362B (zh) |
WO (1) | WO2008108082A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103098129A (zh) * | 2010-07-02 | 2013-05-08 | 杜比国际公司 | 选择性低音后置滤波器 |
CN116312601A (zh) * | 2023-05-22 | 2023-06-23 | 北京探境科技有限公司 | 音频处理方法、装置、存储介质及电子设备 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL2304719T3 (pl) * | 2008-07-11 | 2017-12-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Koder audio, sposoby dostarczania strumienia audio oraz program komputerowy |
US9253568B2 (en) * | 2008-07-25 | 2016-02-02 | Broadcom Corporation | Single-microphone wind noise suppression |
US8352279B2 (en) | 2008-09-06 | 2013-01-08 | Huawei Technologies Co., Ltd. | Efficient temporal envelope coding approach by prediction between low band signal and high band signal |
KR20110001130A (ko) * | 2009-06-29 | 2011-01-06 | 삼성전자주식회사 | 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법 |
CN111647059B (zh) * | 2011-04-22 | 2023-11-28 | 惠氏有限责任公司 | 涉及突变体难辨梭菌毒素的组合物及其方法 |
KR102060208B1 (ko) * | 2011-07-29 | 2019-12-27 | 디티에스 엘엘씨 | 적응적 음성 명료도 처리기 |
JP6082703B2 (ja) * | 2012-01-20 | 2017-02-15 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America | 音声復号装置及び音声復号方法 |
WO2013124712A1 (en) * | 2012-02-24 | 2013-08-29 | Nokia Corporation | Noise adaptive post filtering |
CN104584123B (zh) * | 2012-08-29 | 2018-02-13 | 日本电信电话株式会社 | 解码方法、以及解码装置 |
CN105976830B (zh) * | 2013-01-11 | 2019-09-20 | 华为技术有限公司 | 音频信号编码和解码方法、音频信号编码和解码装置 |
US20150025894A1 (en) * | 2013-07-16 | 2015-01-22 | Electronics And Telecommunications Research Institute | Method for encoding and decoding of multi channel audio signal, encoder and decoder |
CN105745706B (zh) * | 2013-11-29 | 2019-09-24 | 索尼公司 | 用于扩展频带的装置、方法和程序 |
EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
CN107925388B (zh) | 2016-02-17 | 2021-11-30 | 弗劳恩霍夫应用研究促进协会 | 后置处理器、预处理器、音频编解码器及相关方法 |
US9838737B2 (en) * | 2016-05-05 | 2017-12-05 | Google Inc. | Filtering wind noises in video content |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08263099A (ja) * | 1995-03-23 | 1996-10-11 | Toshiba Corp | 符号化装置 |
JPH09281995A (ja) | 1996-04-12 | 1997-10-31 | Nec Corp | 信号符号化装置及び方法 |
US6092041A (en) * | 1996-08-22 | 2000-07-18 | Motorola, Inc. | System and method of encoding and decoding a layered bitstream by re-applying psychoacoustic analysis in the decoder |
DE19643900C1 (de) * | 1996-10-30 | 1998-02-12 | Ericsson Telefon Ab L M | Nachfiltern von Hörsignalen, speziell von Sprachsignalen |
JPH10171497A (ja) * | 1996-12-12 | 1998-06-26 | Oki Electric Ind Co Ltd | 背景雑音除去装置 |
SE9700772D0 (sv) * | 1997-03-03 | 1997-03-03 | Ericsson Telefon Ab L M | A high resolution post processing method for a speech decoder |
US6240383B1 (en) * | 1997-07-25 | 2001-05-29 | Nec Corporation | Celp speech coding and decoding system for creating comfort noise dependent on the spectral envelope of the speech signal |
WO1999062056A1 (fr) * | 1998-05-27 | 1999-12-02 | Ntt Mobile Communications Network Inc. | Decodeur vocal et procede de decodage vocal |
US6385573B1 (en) | 1998-08-24 | 2002-05-07 | Conexant Systems, Inc. | Adaptive tilt compensation for synthesized speech residual |
US6377915B1 (en) * | 1999-03-17 | 2002-04-23 | Yrp Advanced Mobile Communication Systems Research Laboratories Co., Ltd. | Speech decoding using mix ratio table |
US7423983B1 (en) * | 1999-09-20 | 2008-09-09 | Broadcom Corporation | Voice and data exchange over a packet based network |
CA2430319C (en) * | 2000-11-30 | 2011-03-01 | Matsushita Electric Industrial Co., Ltd. | Speech decoding apparatus and speech decoding method |
JP3566220B2 (ja) * | 2001-03-09 | 2004-09-15 | 三菱電機株式会社 | 音声符号化装置、音声符号化方法、音声復号化装置及び音声復号化方法 |
CN1243424C (zh) * | 2002-05-31 | 2006-02-22 | 上海贝尔有限公司 | 宽带码分多址移动通信系统下行链路信噪比估计装置及估计方法 |
JP4365610B2 (ja) * | 2003-03-31 | 2009-11-18 | パナソニック株式会社 | 音声復号化装置および音声復号化方法 |
DE60330715D1 (de) * | 2003-05-01 | 2010-02-04 | Fujitsu Ltd | Sprachdecodierer, sprachdecodierungsverfahren, programm,aufzeichnungsmedium |
AU2003274864A1 (en) * | 2003-10-24 | 2005-05-11 | Nokia Corpration | Noise-dependent postfiltering |
WO2006025313A1 (ja) | 2004-08-31 | 2006-03-09 | Matsushita Electric Industrial Co., Ltd. | 音声符号化装置、音声復号化装置、通信装置及び音声符号化方法 |
BRPI0515551A (pt) | 2004-09-17 | 2008-07-29 | Matsushita Electric Ind Co Ltd | aparelho de codificação de áudio, aparelho de decodificação de áudio, aparelho de comunicação e método de codificação de áudio |
JP4732730B2 (ja) | 2004-09-30 | 2011-07-27 | パナソニック株式会社 | 音声復号装置 |
JP4613746B2 (ja) | 2005-08-17 | 2011-01-19 | 三菱電機株式会社 | 被写体存在証明サービスシステム |
US20090018824A1 (en) | 2006-01-31 | 2009-01-15 | Matsushita Electric Industrial Co., Ltd. | Audio encoding device, audio decoding device, audio encoding system, audio encoding method, and audio decoding method |
US8239191B2 (en) * | 2006-09-15 | 2012-08-07 | Panasonic Corporation | Speech encoding apparatus and speech encoding method |
-
2008
- 2008-02-29 WO PCT/JP2008/000406 patent/WO2008108082A1/ja active Application Filing
- 2008-02-29 EP EP08710509A patent/EP2116997A4/en not_active Withdrawn
- 2008-02-29 CN CN200880005495XA patent/CN101617362B/zh not_active Expired - Fee Related
- 2008-02-29 US US12/528,878 patent/US8554548B2/en active Active
- 2008-02-29 JP JP2009502460A patent/JP5164970B2/ja not_active Expired - Fee Related
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9830923B2 (en) | 2010-07-02 | 2017-11-28 | Dolby International Ab | Selective bass post filter |
CN105390140B (zh) * | 2010-07-02 | 2019-05-17 | 杜比国际公司 | 用于音频信号的音高增强滤波器 |
US9224403B2 (en) | 2010-07-02 | 2015-12-29 | Dolby International Ab | Selective bass post filter |
CN105261370A (zh) * | 2010-07-02 | 2016-01-20 | 杜比国际公司 | 选择性低音后置滤波器 |
CN105355209A (zh) * | 2010-07-02 | 2016-02-24 | 杜比国际公司 | 音高增强后置滤波器 |
CN105390140A (zh) * | 2010-07-02 | 2016-03-09 | 杜比国际公司 | 用于音频信号的音高增强滤波器 |
US9343077B2 (en) | 2010-07-02 | 2016-05-17 | Dolby International Ab | Pitch filter for audio signals |
US9396736B2 (en) | 2010-07-02 | 2016-07-19 | Dolby International Ab | Audio encoder and decoder with multiple coding modes |
US9552824B2 (en) | 2010-07-02 | 2017-01-24 | Dolby International Ab | Post filter |
US9558753B2 (en) | 2010-07-02 | 2017-01-31 | Dolby International Ab | Pitch filter for audio signals |
US11996111B2 (en) | 2010-07-02 | 2024-05-28 | Dolby International Ab | Post filter for audio signals |
US9558754B2 (en) | 2010-07-02 | 2017-01-31 | Dolby International Ab | Audio encoder and decoder with pitch prediction |
CN105261370B (zh) * | 2010-07-02 | 2018-12-04 | 杜比国际公司 | 选择性低音后置滤波器 |
US9858940B2 (en) | 2010-07-02 | 2018-01-02 | Dolby International Ab | Pitch filter for audio signals |
CN103098129A (zh) * | 2010-07-02 | 2013-05-08 | 杜比国际公司 | 选择性低音后置滤波器 |
US10236010B2 (en) | 2010-07-02 | 2019-03-19 | Dolby International Ab | Pitch filter for audio signals |
CN103098129B (zh) * | 2010-07-02 | 2015-11-25 | 杜比国际公司 | 选择性低音后置滤波器 |
CN105355209B (zh) * | 2010-07-02 | 2020-02-14 | 杜比国际公司 | 音高增强后置滤波器 |
US10811024B2 (en) | 2010-07-02 | 2020-10-20 | Dolby International Ab | Post filter for audio signals |
US11183200B2 (en) | 2010-07-02 | 2021-11-23 | Dolby International Ab | Post filter for audio signals |
US11610595B2 (en) | 2010-07-02 | 2023-03-21 | Dolby International Ab | Post filter for audio signals |
US9595270B2 (en) | 2010-07-02 | 2017-03-14 | Dolby International Ab | Selective post filter |
CN116312601B (zh) * | 2023-05-22 | 2023-08-29 | 北京探境科技有限公司 | 音频处理方法、装置、存储介质及电子设备 |
CN116312601A (zh) * | 2023-05-22 | 2023-06-23 | 北京探境科技有限公司 | 音频处理方法、装置、存储介质及电子设备 |
Also Published As
Publication number | Publication date |
---|---|
CN101617362B (zh) | 2012-07-18 |
WO2008108082A1 (ja) | 2008-09-12 |
EP2116997A1 (en) | 2009-11-11 |
JP5164970B2 (ja) | 2013-03-21 |
EP2116997A4 (en) | 2011-11-23 |
JPWO2008108082A1 (ja) | 2010-06-10 |
US20100100373A1 (en) | 2010-04-22 |
US8554548B2 (en) | 2013-10-08 |
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