ATE420432T1 - Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen - Google Patents
Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalenInfo
- Publication number
- ATE420432T1 ATE420432T1 AT07105323T AT07105323T ATE420432T1 AT E420432 T1 ATE420432 T1 AT E420432T1 AT 07105323 T AT07105323 T AT 07105323T AT 07105323 T AT07105323 T AT 07105323T AT E420432 T1 ATE420432 T1 AT E420432T1
- Authority
- AT
- Austria
- Prior art keywords
- voiceable
- speech signals
- predictive quantization
- processor
- quantization
- Prior art date
Links
Classifications
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- 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
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/097—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using prototype waveform decomposition or prototype waveform interpolative [PWI] coders
-
- 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
- G10L19/26—Pre-filtering or post-filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55728200A | 2000-04-24 | 2000-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE420432T1 true ATE420432T1 (de) | 2009-01-15 |
Family
ID=24224775
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT01927283T ATE363711T1 (de) | 2000-04-24 | 2001-04-20 | Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen |
AT08173008T ATE553472T1 (de) | 2000-04-24 | 2001-04-20 | Prädikitve dequantisierung von stimmhaften sprachsignalen |
AT07105323T ATE420432T1 (de) | 2000-04-24 | 2001-04-20 | Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT01927283T ATE363711T1 (de) | 2000-04-24 | 2001-04-20 | Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen |
AT08173008T ATE553472T1 (de) | 2000-04-24 | 2001-04-20 | Prädikitve dequantisierung von stimmhaften sprachsignalen |
Country Status (13)
Country | Link |
---|---|
US (2) | US7426466B2 (de) |
EP (3) | EP1796083B1 (de) |
JP (1) | JP5037772B2 (de) |
KR (1) | KR100804461B1 (de) |
CN (2) | CN100362568C (de) |
AT (3) | ATE363711T1 (de) |
AU (1) | AU2001253752A1 (de) |
BR (1) | BR0110253A (de) |
DE (2) | DE60137376D1 (de) |
ES (2) | ES2287122T3 (de) |
HK (1) | HK1078979A1 (de) |
TW (1) | TW519616B (de) |
WO (1) | WO2001082293A1 (de) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6493338B1 (en) | 1997-05-19 | 2002-12-10 | Airbiquity Inc. | Multichannel in-band signaling for data communications over digital wireless telecommunications networks |
US6691084B2 (en) * | 1998-12-21 | 2004-02-10 | Qualcomm Incorporated | Multiple mode variable rate speech coding |
US6584438B1 (en) | 2000-04-24 | 2003-06-24 | Qualcomm Incorporated | Frame erasure compensation method in a variable rate speech coder |
EP1796083B1 (de) | 2000-04-24 | 2009-01-07 | Qualcomm Incorporated | Verfahren und Vorrichtung zur prädiktiven Quantisierung von stimmhaften Sprachsignalen |
EP1241663A1 (de) * | 2001-03-13 | 2002-09-18 | Koninklijke KPN N.V. | Verfahren und Vorrichtung zur Sprachqualitätsbestimmung |
CN100370828C (zh) * | 2002-04-26 | 2008-02-20 | 诺基亚有限公司 | 用于将参数值映像到码字索引的自适应方法和系统 |
CA2392640A1 (en) * | 2002-07-05 | 2004-01-05 | Voiceage Corporation | A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems |
JP4178319B2 (ja) * | 2002-09-13 | 2008-11-12 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 音声処理におけるフェーズ・アライメント |
US7835916B2 (en) * | 2003-12-19 | 2010-11-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel signal concealment in multi-channel audio systems |
CN101873267B (zh) | 2004-08-30 | 2012-10-24 | 高通股份有限公司 | 用于语音ip传输的自适应去抖动缓冲器 |
US8085678B2 (en) | 2004-10-13 | 2011-12-27 | Qualcomm Incorporated | Media (voice) playback (de-jitter) buffer adjustments based on air interface |
US7508810B2 (en) | 2005-01-31 | 2009-03-24 | Airbiquity Inc. | Voice channel control of wireless packet data communications |
US8155965B2 (en) * | 2005-03-11 | 2012-04-10 | Qualcomm Incorporated | Time warping frames inside the vocoder by modifying the residual |
US8355907B2 (en) | 2005-03-11 | 2013-01-15 | Qualcomm Incorporated | Method and apparatus for phase matching frames in vocoders |
US20100131276A1 (en) * | 2005-07-14 | 2010-05-27 | Koninklijke Philips Electronics, N.V. | Audio signal synthesis |
US8477731B2 (en) | 2005-07-25 | 2013-07-02 | Qualcomm Incorporated | Method and apparatus for locating a wireless local area network in a wide area network |
US8483704B2 (en) * | 2005-07-25 | 2013-07-09 | Qualcomm Incorporated | Method and apparatus for maintaining a fingerprint for a wireless network |
KR100900438B1 (ko) * | 2006-04-25 | 2009-06-01 | 삼성전자주식회사 | 음성 패킷 복구 장치 및 방법 |
EP2092517B1 (de) * | 2006-10-10 | 2012-07-18 | QUALCOMM Incorporated | Verfahren und vorrichtung zur kodierung und dekodierung von audiosignalen |
PT2102619T (pt) | 2006-10-24 | 2017-05-25 | Voiceage Corp | Método e dispositivo para codificação de tramas de transição em sinais de voz |
US8279889B2 (en) * | 2007-01-04 | 2012-10-02 | Qualcomm Incorporated | Systems and methods for dimming a first packet associated with a first bit rate to a second packet associated with a second bit rate |
WO2009052523A1 (en) | 2007-10-20 | 2009-04-23 | Airbiquity Inc. | Wireless in-band signaling with in-vehicle systems |
KR101441897B1 (ko) * | 2008-01-31 | 2014-09-23 | 삼성전자주식회사 | 잔차 신호 부호화 방법 및 장치와 잔차 신호 복호화 방법및 장치 |
KR20090122143A (ko) * | 2008-05-23 | 2009-11-26 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
US8768690B2 (en) * | 2008-06-20 | 2014-07-01 | Qualcomm Incorporated | Coding scheme selection for low-bit-rate applications |
US20090319261A1 (en) * | 2008-06-20 | 2009-12-24 | Qualcomm Incorporated | Coding of transitional speech frames for low-bit-rate applications |
US20090319263A1 (en) * | 2008-06-20 | 2009-12-24 | Qualcomm Incorporated | Coding of transitional speech frames for low-bit-rate applications |
US8594138B2 (en) | 2008-09-15 | 2013-11-26 | Airbiquity Inc. | Methods for in-band signaling through enhanced variable-rate codecs |
US7983310B2 (en) * | 2008-09-15 | 2011-07-19 | Airbiquity Inc. | Methods for in-band signaling through enhanced variable-rate codecs |
CN102165782A (zh) * | 2008-09-26 | 2011-08-24 | 泰景系统公司 | 具有错误检测和/或隐藏电路系统及技术的数字视频和/或音频接收和/或输出的装置和方法 |
US8036600B2 (en) | 2009-04-27 | 2011-10-11 | Airbiquity, Inc. | Using a bluetooth capable mobile phone to access a remote network |
US8418039B2 (en) | 2009-08-03 | 2013-04-09 | Airbiquity Inc. | Efficient error correction scheme for data transmission in a wireless in-band signaling system |
CA2862715C (en) * | 2009-10-20 | 2017-10-17 | Ralf Geiger | Multi-mode audio codec and celp coding adapted therefore |
US8249865B2 (en) | 2009-11-23 | 2012-08-21 | Airbiquity Inc. | Adaptive data transmission for a digital in-band modem operating over a voice channel |
EP3079154B1 (de) | 2010-07-02 | 2018-06-06 | Dolby International AB | Audiodekodierung mit selektiver nachfilterung |
US8848825B2 (en) | 2011-09-22 | 2014-09-30 | Airbiquity Inc. | Echo cancellation in wireless inband signaling modem |
US9070356B2 (en) * | 2012-04-04 | 2015-06-30 | Google Technology Holdings LLC | Method and apparatus for generating a candidate code-vector to code an informational signal |
US9263053B2 (en) * | 2012-04-04 | 2016-02-16 | Google Technology Holdings LLC | Method and apparatus for generating a candidate code-vector to code an informational signal |
US9041564B2 (en) * | 2013-01-11 | 2015-05-26 | Freescale Semiconductor, Inc. | Bus signal encoded with data and clock signals |
HUE039143T2 (hu) * | 2013-04-05 | 2018-12-28 | Dolby Int Ab | Audió kódoló és dekódoló |
PL3011555T3 (pl) | 2013-06-21 | 2018-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Rekonstrukcja ramki sygnału mowy |
CA2915805C (en) * | 2013-06-21 | 2021-10-19 | Jeremie Lecomte | Apparatus and method for improved concealment of the adaptive codebook in acelp-like concealment employing improved pitch lag estimation |
PL3385948T3 (pl) * | 2014-03-24 | 2020-01-31 | Nippon Telegraph And Telephone Corporation | Sposób kodowania, koder, program i nośnik zapisu |
PL3447766T3 (pl) * | 2014-04-24 | 2020-08-24 | Nippon Telegraph And Telephone Corporation | Sposób kodowania, urządzenie kodujące, odpowiedni program i nośnik zapisu |
CN107731238B (zh) | 2016-08-10 | 2021-07-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
CN108074586B (zh) * | 2016-11-15 | 2021-02-12 | 电信科学技术研究院 | 一种语音问题的定位方法和装置 |
CN108280289B (zh) * | 2018-01-22 | 2021-10-08 | 辽宁工程技术大学 | 基于局部加权c4.5算法的冲击地压危险等级预测方法 |
CN109473116B (zh) * | 2018-12-12 | 2021-07-20 | 思必驰科技股份有限公司 | 语音编码方法、语音解码方法及装置 |
Family Cites Families (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4270025A (en) * | 1979-04-09 | 1981-05-26 | The United States Of America As Represented By The Secretary Of The Navy | Sampled speech compression system |
US4901307A (en) | 1986-10-17 | 1990-02-13 | Qualcomm, Inc. | Spread spectrum multiple access communication system using satellite or terrestrial repeaters |
JP2653069B2 (ja) * | 1987-11-13 | 1997-09-10 | ソニー株式会社 | ディジタル信号伝送装置 |
US5023910A (en) * | 1988-04-08 | 1991-06-11 | At&T Bell Laboratories | Vector quantization in a harmonic speech coding arrangement |
JP3033060B2 (ja) * | 1988-12-22 | 2000-04-17 | 国際電信電話株式会社 | 音声予測符号化・復号化方式 |
JPH0683180B2 (ja) | 1989-05-31 | 1994-10-19 | 松下電器産業株式会社 | 情報伝送装置 |
JPH03153075A (ja) | 1989-11-10 | 1991-07-01 | Mitsubishi Electric Corp | ショットキー型撮像素子 |
US5103459B1 (en) | 1990-06-25 | 1999-07-06 | Qualcomm Inc | System and method for generating signal waveforms in a cdma cellular telephone system |
US5247579A (en) * | 1990-12-05 | 1993-09-21 | Digital Voice Systems, Inc. | Methods for speech transmission |
ZA921988B (en) * | 1991-03-29 | 1993-02-24 | Sony Corp | High efficiency digital data encoding and decoding apparatus |
US5265190A (en) * | 1991-05-31 | 1993-11-23 | Motorola, Inc. | CELP vocoder with efficient adaptive codebook search |
EP1763020A3 (de) | 1991-06-11 | 2010-09-29 | Qualcomm Incorporated | Vocoder mit veränderlicher Bitrate |
US5255339A (en) * | 1991-07-19 | 1993-10-19 | Motorola, Inc. | Low bit rate vocoder means and method |
US5233660A (en) * | 1991-09-10 | 1993-08-03 | At&T Bell Laboratories | Method and apparatus for low-delay celp speech coding and decoding |
US5884253A (en) | 1992-04-09 | 1999-03-16 | Lucent Technologies, Inc. | Prototype waveform speech coding with interpolation of pitch, pitch-period waveforms, and synthesis filter |
EP0751496B1 (de) * | 1992-06-29 | 2000-04-19 | Nippon Telegraph And Telephone Corporation | Verfahren und Vorrichtung zur Sprachkodierung |
JPH06259096A (ja) * | 1993-03-04 | 1994-09-16 | Matsushita Electric Ind Co Ltd | 音声符号化装置 |
IT1270439B (it) * | 1993-06-10 | 1997-05-05 | Sip | Procedimento e dispositivo per la quantizzazione dei parametri spettrali in codificatori numerici della voce |
SG43128A1 (en) * | 1993-06-10 | 1997-10-17 | Oki Electric Ind Co Ltd | Code excitation linear predictive (celp) encoder and decoder |
WO1995010760A2 (en) * | 1993-10-08 | 1995-04-20 | Comsat Corporation | Improved low bit rate vocoders and methods of operation therefor |
US5784532A (en) | 1994-02-16 | 1998-07-21 | Qualcomm Incorporated | Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system |
CA2154911C (en) * | 1994-08-02 | 2001-01-02 | Kazunori Ozawa | Speech coding device |
JP3003531B2 (ja) * | 1995-01-05 | 2000-01-31 | 日本電気株式会社 | 音声符号化装置 |
JP3153075B2 (ja) * | 1994-08-02 | 2001-04-03 | 日本電気株式会社 | 音声符号化装置 |
JP2907019B2 (ja) * | 1994-09-08 | 1999-06-21 | 日本電気株式会社 | 音声符号化装置 |
TW271524B (de) | 1994-08-05 | 1996-03-01 | Qualcomm Inc | |
JPH08179795A (ja) * | 1994-12-27 | 1996-07-12 | Nec Corp | 音声のピッチラグ符号化方法および装置 |
US5699478A (en) * | 1995-03-10 | 1997-12-16 | Lucent Technologies Inc. | Frame erasure compensation technique |
US5710863A (en) * | 1995-09-19 | 1998-01-20 | Chen; Juin-Hwey | Speech signal quantization using human auditory models in predictive coding systems |
JP3653826B2 (ja) * | 1995-10-26 | 2005-06-02 | ソニー株式会社 | 音声復号化方法及び装置 |
TW321810B (de) * | 1995-10-26 | 1997-12-01 | Sony Co Ltd | |
US5809459A (en) * | 1996-05-21 | 1998-09-15 | Motorola, Inc. | Method and apparatus for speech excitation waveform coding using multiple error waveforms |
JP3335841B2 (ja) * | 1996-05-27 | 2002-10-21 | 日本電気株式会社 | 信号符号化装置 |
JPH1091194A (ja) * | 1996-09-18 | 1998-04-10 | Sony Corp | 音声復号化方法及び装置 |
JPH10124092A (ja) * | 1996-10-23 | 1998-05-15 | Sony Corp | 音声符号化方法及び装置、並びに可聴信号符号化方法及び装置 |
DE69710505T2 (de) * | 1996-11-07 | 2002-06-27 | Matsushita Electric Ind Co Ltd | Verfahren und Vorrichtung zur Erzeugung eines Vektorquantisierungs-Codebuchs |
US6202046B1 (en) * | 1997-01-23 | 2001-03-13 | Kabushiki Kaisha Toshiba | Background noise/speech classification method |
JPH113099A (ja) * | 1997-04-16 | 1999-01-06 | Mitsubishi Electric Corp | 音声符号化復号化システム、音声符号化装置及び音声復号化装置 |
US6073092A (en) * | 1997-06-26 | 2000-06-06 | Telogy Networks, Inc. | Method for speech coding based on a code excited linear prediction (CELP) model |
WO1999003097A2 (en) * | 1997-07-11 | 1999-01-21 | Koninklijke Philips Electronics N.V. | Transmitter with an improved speech encoder and decoder |
US6385576B2 (en) * | 1997-12-24 | 2002-05-07 | Kabushiki Kaisha Toshiba | Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch |
JPH11224099A (ja) * | 1998-02-06 | 1999-08-17 | Sony Corp | 位相量子化装置及び方法 |
FI113571B (fi) * | 1998-03-09 | 2004-05-14 | Nokia Corp | Puheenkoodaus |
US6973424B1 (en) * | 1998-06-30 | 2005-12-06 | Nec Corporation | Voice coder |
US6301265B1 (en) | 1998-08-14 | 2001-10-09 | Motorola, Inc. | Adaptive rate system and method for network communications |
US6480822B2 (en) * | 1998-08-24 | 2002-11-12 | Conexant Systems, Inc. | Low complexity random codebook structure |
US6260010B1 (en) * | 1998-08-24 | 2001-07-10 | Conexant Systems, Inc. | Speech encoder using gain normalization that combines open and closed loop gains |
US6507814B1 (en) * | 1998-08-24 | 2003-01-14 | Conexant Systems, Inc. | Pitch determination using speech classification and prior pitch estimation |
US6188980B1 (en) * | 1998-08-24 | 2001-02-13 | Conexant Systems, Inc. | Synchronized encoder-decoder frame concealment using speech coding parameters including line spectral frequencies and filter coefficients |
US6104992A (en) * | 1998-08-24 | 2000-08-15 | Conexant Systems, Inc. | Adaptive gain reduction to produce fixed codebook target signal |
DE69939086D1 (de) * | 1998-09-17 | 2008-08-28 | British Telecomm | Audiosignalverarbeitung |
EP0987680B1 (de) * | 1998-09-17 | 2008-07-16 | BRITISH TELECOMMUNICATIONS public limited company | Audiosignalverarbeitung |
US7272556B1 (en) * | 1998-09-23 | 2007-09-18 | Lucent Technologies Inc. | Scalable and embedded codec for speech and audio signals |
CA2252170A1 (en) * | 1998-10-27 | 2000-04-27 | Bruno Bessette | A method and device for high quality coding of wideband speech and audio signals |
US6691084B2 (en) * | 1998-12-21 | 2004-02-10 | Qualcomm Incorporated | Multiple mode variable rate speech coding |
US6456964B2 (en) * | 1998-12-21 | 2002-09-24 | Qualcomm, Incorporated | Encoding of periodic speech using prototype waveforms |
US6640209B1 (en) * | 1999-02-26 | 2003-10-28 | Qualcomm Incorporated | Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder |
US6377914B1 (en) * | 1999-03-12 | 2002-04-23 | Comsat Corporation | Efficient quantization of speech spectral amplitudes based on optimal interpolation technique |
AU4072400A (en) * | 1999-04-05 | 2000-10-23 | Hughes Electronics Corporation | A voicing measure as an estimate of signal periodicity for frequency domain interpolative speech codec system |
US6393394B1 (en) * | 1999-07-19 | 2002-05-21 | Qualcomm Incorporated | Method and apparatus for interleaving line spectral information quantization methods in a speech coder |
US6324505B1 (en) * | 1999-07-19 | 2001-11-27 | Qualcomm Incorporated | Amplitude quantization scheme for low-bit-rate speech coders |
US6397175B1 (en) * | 1999-07-19 | 2002-05-28 | Qualcomm Incorporated | Method and apparatus for subsampling phase spectrum information |
US6574593B1 (en) * | 1999-09-22 | 2003-06-03 | Conexant Systems, Inc. | Codebook tables for encoding and decoding |
US6636829B1 (en) * | 1999-09-22 | 2003-10-21 | Mindspeed Technologies, Inc. | Speech communication system and method for handling lost frames |
AU2547201A (en) * | 2000-01-11 | 2001-07-24 | Matsushita Electric Industrial Co., Ltd. | Multi-mode voice encoding device and decoding device |
EP1796083B1 (de) | 2000-04-24 | 2009-01-07 | Qualcomm Incorporated | Verfahren und Vorrichtung zur prädiktiven Quantisierung von stimmhaften Sprachsignalen |
US6584438B1 (en) * | 2000-04-24 | 2003-06-24 | Qualcomm Incorporated | Frame erasure compensation method in a variable rate speech coder |
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 |
US20040002856A1 (en) * | 2002-03-08 | 2004-01-01 | Udaya Bhaskar | Multi-rate frequency domain interpolative speech CODEC system |
US20040176950A1 (en) * | 2003-03-04 | 2004-09-09 | Docomo Communications Laboratories Usa, Inc. | Methods and apparatuses for variable dimension vector quantization |
US7613607B2 (en) * | 2003-12-18 | 2009-11-03 | Nokia Corporation | Audio enhancement in coded domain |
WO2005106848A1 (ja) * | 2004-04-30 | 2005-11-10 | Matsushita Electric Industrial Co., Ltd. | スケーラブル復号化装置および拡張レイヤ消失隠蔽方法 |
WO2008155919A1 (ja) * | 2007-06-21 | 2008-12-24 | Panasonic Corporation | 適応音源ベクトル量子化装置および適応音源ベクトル量子化方法 |
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2001
- 2001-04-20 EP EP07105323A patent/EP1796083B1/de not_active Expired - Lifetime
- 2001-04-20 AT AT01927283T patent/ATE363711T1/de not_active IP Right Cessation
- 2001-04-20 KR KR1020027014234A patent/KR100804461B1/ko active IP Right Grant
- 2001-04-20 BR BR0110253-2A patent/BR0110253A/pt not_active Application Discontinuation
- 2001-04-20 WO PCT/US2001/012988 patent/WO2001082293A1/en active IP Right Grant
- 2001-04-20 DE DE60137376T patent/DE60137376D1/de not_active Expired - Lifetime
- 2001-04-20 ES ES01927283T patent/ES2287122T3/es not_active Expired - Lifetime
- 2001-04-20 EP EP08173008A patent/EP2040253B1/de not_active Expired - Lifetime
- 2001-04-20 JP JP2001579296A patent/JP5037772B2/ja not_active Expired - Lifetime
- 2001-04-20 CN CNB2005100527491A patent/CN100362568C/zh not_active Expired - Lifetime
- 2001-04-20 CN CN01810523A patent/CN1432176A/zh active Pending
- 2001-04-20 EP EP01927283A patent/EP1279167B1/de not_active Expired - Lifetime
- 2001-04-20 AT AT08173008T patent/ATE553472T1/de active
- 2001-04-20 AU AU2001253752A patent/AU2001253752A1/en not_active Abandoned
- 2001-04-20 ES ES07105323T patent/ES2318820T3/es not_active Expired - Lifetime
- 2001-04-20 DE DE60128677T patent/DE60128677T2/de not_active Expired - Lifetime
- 2001-04-20 AT AT07105323T patent/ATE420432T1/de not_active IP Right Cessation
- 2001-04-24 TW TW090109793A patent/TW519616B/zh not_active IP Right Cessation
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2003
- 2003-10-15 HK HK05110732A patent/HK1078979A1/xx not_active IP Right Cessation
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2004
- 2004-07-22 US US10/897,746 patent/US7426466B2/en not_active Expired - Lifetime
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2008
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Also Published As
Publication number | Publication date |
---|---|
ATE363711T1 (de) | 2007-06-15 |
DE60137376D1 (de) | 2009-02-26 |
DE60128677D1 (de) | 2007-07-12 |
EP2040253A1 (de) | 2009-03-25 |
HK1078979A1 (en) | 2006-03-24 |
EP1279167A1 (de) | 2003-01-29 |
KR100804461B1 (ko) | 2008-02-20 |
EP2040253B1 (de) | 2012-04-11 |
EP1796083B1 (de) | 2009-01-07 |
ES2287122T3 (es) | 2007-12-16 |
ATE553472T1 (de) | 2012-04-15 |
US20080312917A1 (en) | 2008-12-18 |
AU2001253752A1 (en) | 2001-11-07 |
JP5037772B2 (ja) | 2012-10-03 |
ES2318820T3 (es) | 2009-05-01 |
EP1796083A3 (de) | 2007-08-01 |
BR0110253A (pt) | 2006-02-07 |
CN100362568C (zh) | 2008-01-16 |
DE60128677T2 (de) | 2008-03-06 |
US7426466B2 (en) | 2008-09-16 |
CN1655236A (zh) | 2005-08-17 |
WO2001082293A1 (en) | 2001-11-01 |
EP1279167B1 (de) | 2007-05-30 |
EP1796083A2 (de) | 2007-06-13 |
CN1432176A (zh) | 2003-07-23 |
US8660840B2 (en) | 2014-02-25 |
US20040260542A1 (en) | 2004-12-23 |
TW519616B (en) | 2003-02-01 |
KR20020093943A (ko) | 2002-12-16 |
JP2003532149A (ja) | 2003-10-28 |
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