ATE515019T1 - Verfahren und vorrichtung zur ausführung einer optimalizierten audiokodierung zwischen zwei langzeitvorhersagemodellen - Google Patents
Verfahren und vorrichtung zur ausführung einer optimalizierten audiokodierung zwischen zwei langzeitvorhersagemodellenInfo
- Publication number
- ATE515019T1 ATE515019T1 AT06709052T AT06709052T ATE515019T1 AT E515019 T1 ATE515019 T1 AT E515019T1 AT 06709052 T AT06709052 T AT 06709052T AT 06709052 T AT06709052 T AT 06709052T AT E515019 T1 ATE515019 T1 AT E515019T1
- Authority
- AT
- Austria
- Prior art keywords
- ltp
- long
- term prediction
- model
- optimalized
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- 230000007774 longterm Effects 0.000 title abstract 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 abstract 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
- G10L19/16—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
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0500272A FR2880724A1 (fr) | 2005-01-11 | 2005-01-11 | Procede et dispositif de codage optimise entre deux modeles de prediction a long terme |
PCT/FR2006/000038 WO2006075078A1 (fr) | 2005-01-11 | 2006-01-09 | Procede et dispositif de codage optimise entre deux modeles de prediction a long terme |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE515019T1 true ATE515019T1 (de) | 2011-07-15 |
Family
ID=34954835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT06709052T ATE515019T1 (de) | 2005-01-11 | 2006-01-09 | Verfahren und vorrichtung zur ausführung einer optimalizierten audiokodierung zwischen zwei langzeitvorhersagemodellen |
Country Status (6)
Country | Link |
---|---|
US (1) | US8670982B2 (de) |
EP (1) | EP1836699B1 (de) |
CN (1) | CN101124625B (de) |
AT (1) | ATE515019T1 (de) |
FR (1) | FR2880724A1 (de) |
WO (1) | WO2006075078A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2839969B1 (fr) | 2002-05-27 | 2005-04-01 | Jean Couturier | Liant hydraulique resultant du melange d'un liant sulfatique et d'un liant a caractere pouzzolanique |
US7809719B2 (en) * | 2007-02-08 | 2010-10-05 | Microsoft Corporation | Predicting textual candidates |
US7912700B2 (en) * | 2007-02-08 | 2011-03-22 | Microsoft Corporation | Context based word prediction |
US8521520B2 (en) * | 2010-02-03 | 2013-08-27 | General Electric Company | Handoffs between different voice encoder systems |
CN103138874B (zh) * | 2011-11-23 | 2016-07-06 | 中国移动通信集团公司 | 一种编解码动态协商方法及设备 |
US9830920B2 (en) | 2012-08-19 | 2017-11-28 | The Regents Of The University Of California | Method and apparatus for polyphonic audio signal prediction in coding and networking systems |
US9406307B2 (en) * | 2012-08-19 | 2016-08-02 | The Regents Of The University Of California | Method and apparatus for polyphonic audio signal prediction in coding and networking systems |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6260009B1 (en) * | 1999-02-12 | 2001-07-10 | Qualcomm Incorporated | CELP-based to CELP-based vocoder packet translation |
US6687668B2 (en) * | 1999-12-31 | 2004-02-03 | C & S Technology Co., Ltd. | Method for improvement of G.723.1 processing time and speech quality and for reduction of bit rate in CELP vocoder and CELP vococer using the same |
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 |
JP4231987B2 (ja) * | 2001-06-15 | 2009-03-04 | 日本電気株式会社 | 音声符号化復号方式間の符号変換方法、その装置、そのプログラム及び記憶媒体 |
US6829579B2 (en) * | 2002-01-08 | 2004-12-07 | Dilithium Networks, Inc. | Transcoding method and system between CELP-based speech codes |
WO2003058407A2 (en) * | 2002-01-08 | 2003-07-17 | Dilithium Networks Pty Limited | A transcoding scheme between celp-based speech codes |
JP4263412B2 (ja) * | 2002-01-29 | 2009-05-13 | 富士通株式会社 | 音声符号変換方法 |
CA2388439A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
US20040057521A1 (en) * | 2002-07-17 | 2004-03-25 | Macchina Pty Ltd. | Method and apparatus for transcoding between hybrid video CODEC bitstreams |
US7519532B2 (en) * | 2003-09-29 | 2009-04-14 | Texas Instruments Incorporated | Transcoding EVRC to G.729ab |
FR2867648A1 (fr) * | 2003-12-10 | 2005-09-16 | France Telecom | Transcodage entre indices de dictionnaires multi-impulsionnels utilises en codage en compression de signaux numeriques |
US7792670B2 (en) * | 2003-12-19 | 2010-09-07 | Motorola, Inc. | Method and apparatus for speech coding |
-
2005
- 2005-01-11 FR FR0500272A patent/FR2880724A1/fr active Pending
-
2006
- 2006-01-09 AT AT06709052T patent/ATE515019T1/de not_active IP Right Cessation
- 2006-01-09 CN CN200680003179XA patent/CN101124625B/zh not_active Expired - Fee Related
- 2006-01-09 US US11/795,085 patent/US8670982B2/en not_active Expired - Fee Related
- 2006-01-09 EP EP06709052A patent/EP1836699B1/de not_active Not-in-force
- 2006-01-09 WO PCT/FR2006/000038 patent/WO2006075078A1/fr active Application Filing
Also Published As
Publication number | Publication date |
---|---|
EP1836699B1 (de) | 2011-06-29 |
WO2006075078A1 (fr) | 2006-07-20 |
US8670982B2 (en) | 2014-03-11 |
US20080306732A1 (en) | 2008-12-11 |
FR2880724A1 (fr) | 2006-07-14 |
EP1836699A1 (de) | 2007-09-26 |
CN101124625A (zh) | 2008-02-13 |
CN101124625B (zh) | 2012-02-29 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |