ATE520121T1 - Verbesserte celp kodierung oder dekodierung eines digitalen audiosignals - Google Patents
Verbesserte celp kodierung oder dekodierung eines digitalen audiosignalsInfo
- Publication number
- ATE520121T1 ATE520121T1 AT07731605T AT07731605T ATE520121T1 AT E520121 T1 ATE520121 T1 AT E520121T1 AT 07731605 T AT07731605 T AT 07731605T AT 07731605 T AT07731605 T AT 07731605T AT E520121 T1 ATE520121 T1 AT E520121T1
- Authority
- AT
- Austria
- Prior art keywords
- dictionaries
- digital audio
- decoding
- audio signal
- celp encoding
- Prior art date
Links
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
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
-
- 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
- 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
-
- 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
- G10L2019/0007—Codebook element generation
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0601563 | 2006-02-22 | ||
PCT/FR2007/050780 WO2007096550A2 (fr) | 2006-02-22 | 2007-02-13 | Codage/decodage perfectionnes d'un signal audionumerique, en technique celp |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE520121T1 true ATE520121T1 (de) | 2011-08-15 |
Family
ID=37308852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT07731605T ATE520121T1 (de) | 2006-02-22 | 2007-02-13 | Verbesserte celp kodierung oder dekodierung eines digitalen audiosignals |
Country Status (7)
Country | Link |
---|---|
US (1) | US8271274B2 (de) |
EP (1) | EP1994531B1 (de) |
JP (1) | JP5188990B2 (de) |
KR (1) | KR101370017B1 (de) |
CN (1) | CN101401153B (de) |
AT (1) | ATE520121T1 (de) |
WO (1) | WO2007096550A2 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2466672B (en) * | 2009-01-06 | 2013-03-13 | Skype | Speech coding |
GB2466670B (en) * | 2009-01-06 | 2012-11-14 | Skype | Speech encoding |
GB2466673B (en) | 2009-01-06 | 2012-11-07 | Skype | Quantization |
GB2466669B (en) * | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466674B (en) * | 2009-01-06 | 2013-11-13 | Skype | Speech coding |
US20100174539A1 (en) * | 2009-01-06 | 2010-07-08 | Qualcomm Incorporated | Method and apparatus for vector quantization codebook search |
GB2466671B (en) * | 2009-01-06 | 2013-03-27 | Skype | Speech encoding |
GB2466675B (en) | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
US8452606B2 (en) * | 2009-09-29 | 2013-05-28 | Skype | Speech encoding using multiple bit rates |
CN102598124B (zh) * | 2009-10-30 | 2013-08-28 | 松下电器产业株式会社 | 编码装置、解码装置及其方法 |
JP5732624B2 (ja) | 2009-12-14 | 2015-06-10 | パナソニックIpマネジメント株式会社 | ベクトル量子化装置、音声符号化装置、ベクトル量子化方法、及び音声符号化方法 |
US8924203B2 (en) * | 2011-10-28 | 2014-12-30 | Electronics And Telecommunications Research Institute | Apparatus and method for coding signal in a communication system |
MY194208A (en) * | 2012-10-05 | 2022-11-21 | Fraunhofer Ges Forschung | An apparatus for encoding a speech signal employing acelp in the autocorrelation domain |
RU2676041C1 (ru) | 2013-05-24 | 2018-12-25 | Долби Интернэшнл Аб | Аудиокодер и аудиодекодер |
US9418671B2 (en) * | 2013-08-15 | 2016-08-16 | Huawei Technologies Co., Ltd. | Adaptive high-pass post-filter |
RU2646357C2 (ru) | 2013-10-18 | 2018-03-02 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Принцип для кодирования аудиосигнала и декодирования аудиосигнала с использованием информации формирования речевого спектра |
RU2644123C2 (ru) * | 2013-10-18 | 2018-02-07 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Принцип для кодирования аудиосигнала и декодирования аудиосигнала с использованием детерминированной и шумоподобной информации |
KR101831088B1 (ko) | 2013-11-13 | 2018-02-21 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 신호를 인코딩하기 위한 인코더, 오디오 전송 시스템 및 보정값들을 결정하기 위한 방법 |
EP2980795A1 (de) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiokodierung und -decodierung mit Nutzung eines Frequenzdomänenprozessors, eines Zeitdomänenprozessors und eines Kreuzprozessors zur Initialisierung des Zeitdomänenprozessors |
EP2980794A1 (de) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierer und -decodierer mit einem Frequenzdomänenprozessor und Zeitdomänenprozessor |
US10847170B2 (en) * | 2015-06-18 | 2020-11-24 | Qualcomm Incorporated | Device and method for generating a high-band signal from non-linearly processed sub-ranges |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI98104C (fi) * | 1991-05-20 | 1997-04-10 | Nokia Mobile Phones Ltd | Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi |
JPH10133697A (ja) * | 1996-09-05 | 1998-05-22 | Seiko Epson Corp | 音声符号化方法およびその装置 |
KR100527217B1 (ko) * | 1997-10-22 | 2005-11-08 | 마츠시타 덴끼 산교 가부시키가이샤 | 확산 벡터 생성 방법, 확산 벡터 생성 장치, celp형 음성 복호화 방법 및 celp형 음성 복호화 장치 |
JP3174756B2 (ja) * | 1998-03-31 | 2001-06-11 | 松下電器産業株式会社 | 音源ベクトル生成装置及び音源ベクトル生成方法 |
JP3235543B2 (ja) * | 1997-10-22 | 2001-12-04 | 松下電器産業株式会社 | 音声符号化/復号化装置 |
JP3175667B2 (ja) * | 1997-10-28 | 2001-06-11 | 松下電器産業株式会社 | ベクトル量子化法 |
US6480822B2 (en) | 1998-08-24 | 2002-11-12 | Conexant Systems, Inc. | Low complexity random codebook structure |
JP4173940B2 (ja) * | 1999-03-05 | 2008-10-29 | 松下電器産業株式会社 | 音声符号化装置及び音声符号化方法 |
US6449313B1 (en) * | 1999-04-28 | 2002-09-10 | Lucent Technologies Inc. | Shaped fixed codebook search for celp speech coding |
US6236960B1 (en) * | 1999-08-06 | 2001-05-22 | Motorola, Inc. | Factorial packing method and apparatus for information coding |
-
2007
- 2007-02-13 CN CN2007800065199A patent/CN101401153B/zh not_active Expired - Fee Related
- 2007-02-13 KR KR1020087023140A patent/KR101370017B1/ko not_active IP Right Cessation
- 2007-02-13 JP JP2008555849A patent/JP5188990B2/ja not_active Expired - Fee Related
- 2007-02-13 WO PCT/FR2007/050780 patent/WO2007096550A2/fr active Application Filing
- 2007-02-13 US US12/224,205 patent/US8271274B2/en not_active Expired - Fee Related
- 2007-02-13 AT AT07731605T patent/ATE520121T1/de not_active IP Right Cessation
- 2007-02-13 EP EP07731605A patent/EP1994531B1/de not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
JP5188990B2 (ja) | 2013-04-24 |
KR101370017B1 (ko) | 2014-03-05 |
EP1994531B1 (de) | 2011-08-10 |
WO2007096550A2 (fr) | 2007-08-30 |
CN101401153A (zh) | 2009-04-01 |
KR20080110757A (ko) | 2008-12-19 |
EP1994531A2 (de) | 2008-11-26 |
US8271274B2 (en) | 2012-09-18 |
CN101401153B (zh) | 2011-11-16 |
WO2007096550A3 (fr) | 2007-10-11 |
US20090222273A1 (en) | 2009-09-03 |
JP2009527784A (ja) | 2009-07-30 |
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Legal Events
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RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |