CN1653521A - 用于音频代码转换中的自适应码本音调滞后计算的方法 - Google Patents
用于音频代码转换中的自适应码本音调滞后计算的方法 Download PDFInfo
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- CN1653521A CN1653521A CNA038106450A CN03810645A CN1653521A CN 1653521 A CN1653521 A CN 1653521A CN A038106450 A CNA038106450 A CN A038106450A CN 03810645 A CN03810645 A CN 03810645A CN 1653521 A CN1653521 A CN 1653521A
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- Prior art keywords
- subframe
- tone
- module
- subframes
- adaptive codebook
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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
- G10L19/16—Vocoder architecture
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
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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)
Abstract
Description
Claims (24)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36440302P | 2002-03-12 | 2002-03-12 | |
| US60/364,403 | 2002-03-12 | ||
| PCT/US2003/007901 WO2003079330A1 (en) | 2002-03-12 | 2003-03-12 | Method for adaptive codebook pitch-lag computation in audio transcoders |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1653521A true CN1653521A (zh) | 2005-08-10 |
| CN1653521B CN1653521B (zh) | 2010-05-26 |
Family
ID=28041908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN038106450A Expired - Fee Related CN1653521B (zh) | 2002-03-12 | 2003-03-12 | 用于音频代码转换中的自适应码本音调滞后计算的方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US7260524B2 (zh) |
| EP (1) | EP1483758A4 (zh) |
| JP (1) | JP2005520206A (zh) |
| KR (1) | KR20040104508A (zh) |
| CN (1) | CN1653521B (zh) |
| AU (1) | AU2003214182A1 (zh) |
| WO (1) | WO2003079330A1 (zh) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101563726A (zh) * | 2006-09-20 | 2009-10-21 | 汤姆森许可贸易公司 | 用于对音频信号进行代码转换的方法和设备 |
| CN102341850A (zh) * | 2009-01-06 | 2012-02-01 | 斯凯普有限公司 | 语音编码 |
| US8433563B2 (en) | 2009-01-06 | 2013-04-30 | Skype | Predictive speech signal coding |
| US8452606B2 (en) | 2009-09-29 | 2013-05-28 | Skype | Speech encoding using multiple bit rates |
| US8463604B2 (en) | 2009-01-06 | 2013-06-11 | Skype | Speech encoding utilizing independent manipulation of signal and noise spectrum |
| US8655653B2 (en) | 2009-01-06 | 2014-02-18 | Skype | Speech coding by quantizing with random-noise signal |
| US8670981B2 (en) | 2009-01-06 | 2014-03-11 | Skype | Speech encoding and decoding utilizing line spectral frequency interpolation |
| CN104243734A (zh) * | 2013-06-18 | 2014-12-24 | 深圳市共进电子股份有限公司 | 音频处理系统和方法 |
| CN105408954A (zh) * | 2013-06-21 | 2016-03-16 | 弗朗霍夫应用科学研究促进协会 | 利用改进的音调滞后估计的似acelp隐藏中的自适应码本的改进隐藏的装置及方法 |
| CN105431903A (zh) * | 2013-06-21 | 2016-03-23 | 弗朗霍夫应用科学研究促进协会 | 使用tcx ltp利用损毁或未接收到的帧的重建的音频解码 |
| CN106663444A (zh) * | 2014-07-28 | 2017-05-10 | 弗劳恩霍夫应用研究促进协会 | 用于使用谐波后置滤波器来处理音频信号的装置及方法 |
| US10643624B2 (en) | 2013-06-21 | 2020-05-05 | Fraunhofer-Gesellschaft zur Föerderung der Angewandten Forschung E.V. | Apparatus and method for improved concealment of the adaptive codebook in ACELP-like concealment employing improved pulse resynchronization |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003214182A1 (en) * | 2002-03-12 | 2003-09-29 | Dilithium Networks Pty Limited | Method for adaptive codebook pitch-lag computation in audio transcoders |
| KR100546758B1 (ko) * | 2003-06-30 | 2006-01-26 | 한국전자통신연구원 | 음성의 상호부호화시 전송률 결정 장치 및 방법 |
| US7433815B2 (en) * | 2003-09-10 | 2008-10-07 | Dilithium Networks Pty Ltd. | Method and apparatus for voice transcoding between variable rate coders |
| US7519532B2 (en) * | 2003-09-29 | 2009-04-14 | Texas Instruments Incorporated | Transcoding EVRC to G.729ab |
| US9058812B2 (en) * | 2005-07-27 | 2015-06-16 | Google Technology Holdings LLC | Method and system for coding an information signal using pitch delay contour adjustment |
| US7602745B2 (en) * | 2005-12-05 | 2009-10-13 | Intel Corporation | Multiple input, multiple output wireless communication system, associated methods and data structures |
| JP3981399B1 (ja) * | 2006-03-10 | 2007-09-26 | 松下電器産業株式会社 | 固定符号帳探索装置および固定符号帳探索方法 |
| KR100900438B1 (ko) * | 2006-04-25 | 2009-06-01 | 삼성전자주식회사 | 음성 패킷 복구 장치 및 방법 |
| US8218529B2 (en) * | 2006-07-07 | 2012-07-10 | Avaya Canada Corp. | Device for and method of terminating a VoIP call |
| GB2466671B (en) | 2009-01-06 | 2013-03-27 | Skype | Speech encoding |
| US8243610B2 (en) * | 2009-04-21 | 2012-08-14 | Futurewei Technologies, Inc. | System and method for precoding codebook adaptation with low feedback overhead |
| EP2249334A1 (en) * | 2009-05-08 | 2010-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio format transcoder |
| US8521541B2 (en) * | 2010-11-02 | 2013-08-27 | Google Inc. | Adaptive audio transcoding |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08146997A (ja) * | 1994-11-21 | 1996-06-07 | Hitachi Ltd | 符号変換装置および符号変換システム |
| US6115687A (en) * | 1996-11-11 | 2000-09-05 | Matsushita Electric Industrial Co., Ltd. | Sound reproducing speed converter |
| US5995923A (en) * | 1997-06-26 | 1999-11-30 | Nortel Networks Corporation | Method and apparatus for improving the voice quality of tandemed vocoders |
| US6260009B1 (en) * | 1999-02-12 | 2001-07-10 | Qualcomm Incorporated | CELP-based to CELP-based vocoder packet translation |
| JP4005359B2 (ja) * | 1999-09-14 | 2007-11-07 | 富士通株式会社 | 音声符号化及び音声復号化装置 |
| US6760698B2 (en) * | 2000-09-15 | 2004-07-06 | Mindspeed Technologies Inc. | System for coding speech information using an adaptive codebook with enhanced variable resolution scheme |
| JP2002202799A (ja) * | 2000-10-30 | 2002-07-19 | Fujitsu Ltd | 音声符号変換装置 |
| JP2002229599A (ja) | 2001-02-02 | 2002-08-16 | Nec Corp | 音声符号列の変換装置および変換方法 |
| AU2003214182A1 (en) * | 2002-03-12 | 2003-09-29 | Dilithium Networks Pty Limited | Method for adaptive codebook pitch-lag computation in audio transcoders |
| JP2004222009A (ja) * | 2003-01-16 | 2004-08-05 | Nec Corp | 異種網接続ゲートウェイおよび異種網間通信課金システム |
-
2003
- 2003-03-12 AU AU2003214182A patent/AU2003214182A1/en not_active Abandoned
- 2003-03-12 WO PCT/US2003/007901 patent/WO2003079330A1/en not_active Ceased
- 2003-03-12 EP EP03711590A patent/EP1483758A4/en not_active Withdrawn
- 2003-03-12 JP JP2003577246A patent/JP2005520206A/ja not_active Withdrawn
- 2003-03-12 KR KR10-2004-7014297A patent/KR20040104508A/ko not_active Withdrawn
- 2003-03-12 CN CN038106450A patent/CN1653521B/zh not_active Expired - Fee Related
- 2003-03-12 US US10/350,349 patent/US7260524B2/en not_active Expired - Fee Related
-
2007
- 2007-07-26 US US11/881,742 patent/US7996217B2/en not_active Expired - Fee Related
Cited By (33)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101563726A (zh) * | 2006-09-20 | 2009-10-21 | 汤姆森许可贸易公司 | 用于对音频信号进行代码转换的方法和设备 |
| US8849658B2 (en) | 2009-01-06 | 2014-09-30 | Skype | Speech encoding utilizing independent manipulation of signal and noise spectrum |
| US8433563B2 (en) | 2009-01-06 | 2013-04-30 | Skype | Predictive speech signal coding |
| US8463604B2 (en) | 2009-01-06 | 2013-06-11 | Skype | Speech encoding utilizing independent manipulation of signal and noise spectrum |
| CN102341850B (zh) * | 2009-01-06 | 2013-10-16 | 斯凯普公司 | 语音编码 |
| US8639504B2 (en) | 2009-01-06 | 2014-01-28 | Skype | Speech encoding utilizing independent manipulation of signal and noise spectrum |
| US8655653B2 (en) | 2009-01-06 | 2014-02-18 | Skype | Speech coding by quantizing with random-noise signal |
| US8670981B2 (en) | 2009-01-06 | 2014-03-11 | Skype | Speech encoding and decoding utilizing line spectral frequency interpolation |
| US10026411B2 (en) | 2009-01-06 | 2018-07-17 | Skype | Speech encoding utilizing independent manipulation of signal and noise spectrum |
| CN102341850A (zh) * | 2009-01-06 | 2012-02-01 | 斯凯普有限公司 | 语音编码 |
| US8452606B2 (en) | 2009-09-29 | 2013-05-28 | Skype | Speech encoding using multiple bit rates |
| CN104243734A (zh) * | 2013-06-18 | 2014-12-24 | 深圳市共进电子股份有限公司 | 音频处理系统和方法 |
| CN104243734B (zh) * | 2013-06-18 | 2019-03-01 | 深圳市共进电子股份有限公司 | 音频处理系统和方法 |
| US10381011B2 (en) | 2013-06-21 | 2019-08-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for improved concealment of the adaptive codebook in a CELP-like concealment employing improved pitch lag estimation |
| CN105408954B (zh) * | 2013-06-21 | 2020-07-17 | 弗朗霍夫应用科学研究促进协会 | 利用改进的音调滞后估计的似acelp隐藏中的自适应码本的改进隐藏的装置及方法 |
| CN105431903A (zh) * | 2013-06-21 | 2016-03-23 | 弗朗霍夫应用科学研究促进协会 | 使用tcx ltp利用损毁或未接收到的帧的重建的音频解码 |
| CN105408954A (zh) * | 2013-06-21 | 2016-03-16 | 弗朗霍夫应用科学研究促进协会 | 利用改进的音调滞后估计的似acelp隐藏中的自适应码本的改进隐藏的装置及方法 |
| CN105431903B (zh) * | 2013-06-21 | 2019-08-23 | 弗朗霍夫应用科学研究促进协会 | 实现用于转换编码激发长期预测的改进概念的装置及方法 |
| US10607614B2 (en) | 2013-06-21 | 2020-03-31 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application |
| US10643624B2 (en) | 2013-06-21 | 2020-05-05 | Fraunhofer-Gesellschaft zur Föerderung der Angewandten Forschung E.V. | Apparatus and method for improved concealment of the adaptive codebook in ACELP-like concealment employing improved pulse resynchronization |
| US10672404B2 (en) | 2013-06-21 | 2020-06-02 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating an adaptive spectral shape of comfort noise |
| US10679632B2 (en) | 2013-06-21 | 2020-06-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for improved signal fade out for switched audio coding systems during error concealment |
| US12315518B2 (en) | 2013-06-21 | 2025-05-27 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for improved concealment of the adaptive codebook in a CELP-like concealment employing improved pitch lag estimation |
| US12125491B2 (en) | 2013-06-21 | 2024-10-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method realizing improved concepts for TCX LTP |
| US10854208B2 (en) | 2013-06-21 | 2020-12-01 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method realizing improved concepts for TCX LTP |
| US10867613B2 (en) | 2013-06-21 | 2020-12-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for improved signal fade out in different domains during error concealment |
| US11410663B2 (en) | 2013-06-21 | 2022-08-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for improved concealment of the adaptive codebook in ACELP-like concealment employing improved pitch lag estimation |
| US11462221B2 (en) | 2013-06-21 | 2022-10-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating an adaptive spectral shape of comfort noise |
| US11501783B2 (en) | 2013-06-21 | 2022-11-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method realizing a fading of an MDCT spectrum to white noise prior to FDNS application |
| US11776551B2 (en) | 2013-06-21 | 2023-10-03 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for improved signal fade out in different domains during error concealment |
| US11869514B2 (en) | 2013-06-21 | 2024-01-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for improved signal fade out for switched audio coding systems during error concealment |
| CN106663444B (zh) * | 2014-07-28 | 2020-12-01 | 弗劳恩霍夫应用研究促进协会 | 用于使用谐波后置滤波器来处理音频信号的装置及方法 |
| CN106663444A (zh) * | 2014-07-28 | 2017-05-10 | 弗劳恩霍夫应用研究促进协会 | 用于使用谐波后置滤波器来处理音频信号的装置及方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US7996217B2 (en) | 2011-08-09 |
| JP2005520206A (ja) | 2005-07-07 |
| WO2003079330A1 (en) | 2003-09-25 |
| KR20040104508A (ko) | 2004-12-10 |
| AU2003214182A1 (en) | 2003-09-29 |
| EP1483758A1 (en) | 2004-12-08 |
| EP1483758A4 (en) | 2007-04-11 |
| CN1653521B (zh) | 2010-05-26 |
| US20080189101A1 (en) | 2008-08-07 |
| US20040002855A1 (en) | 2004-01-01 |
| US7260524B2 (en) | 2007-08-21 |
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