ATE420432T1 - Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen - Google Patents

Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen

Info

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
Application number
AT07105323T
Other languages
English (en)
Inventor
Arasanipalai Ananthapadmanabhan
Sharath Manjunath
Pengjun Huang
Eddi-Lun Choy
Andrew Dejaco
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of ATE420432T1 publication Critical patent/ATE420432T1/de

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/032Quantisation or dequantisation of spectral components
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/097Determination 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/26Pre-filtering or post-filtering
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12Speech 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
AT07105323T 2000-04-24 2001-04-20 Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen ATE420432T1 (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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

Similar Documents

Publication Publication Date Title
ATE363711T1 (de) Verfahren und vorrichtung zur prädiktiven quantisierung von stimmhaften sprachsignalen
DE60225060D1 (de) Vorrichtung und verfahren zur wiedergabe von inhalten
DE69837822D1 (de) Verfahren und Vorrichtung zur Dekodierung von Sprachsignalen
DE69726525D1 (de) Verfahren und Vorrichtung zur Vektorquantisierung und zur Sprachkodierung
DE69715478T2 (de) Verfahren und Vorrichtung zur CELP Sprachkodierung und -dekodierung
DE69804518D1 (de) Vorrichtung und Verfahren zur Erzeugung von Tönen durch Zeitstrecken- und Kompressionstechnik
DE69328450T2 (de) Verfahren und Vorrichtung zur Sprachkodierung
DE69701774T2 (de) Spracherkennung in geräuschvoller umgebung und vorrichtung zur durchführung des verfahrens
DE60143763D1 (de) Verfahren und vorrichtung zur einstufigen oder zweistufigen geräuschrückkopplungs kodierung von sprach- und audiosignalen
DE69727895D1 (de) Verfahren und Vorrichtung zur Sprachkodierung
DE69941362D1 (de) Vorrichtung und verfahren zur erhaltung und/oder wiederherstellung der lebensfähigkeit von organen
DE60108252D1 (de) Verfahren und vorrichtung zur erzeugung von nanostrukturen
DE69431445T2 (de) Verfahren und Vorrichtung zur Sprachkodierung
LU90879B1 (de) Verfahren und Vorrichtung zur Erkennung des Schlaefrigkeitszustandes von Fuehrern bewegter Objekte
DE60113787D1 (de) Verfahren und Vorrichtung zur Texteingabe durch Spracherkennung
DE69737443D1 (de) Verfahren und Vorrichtung zur skalierbaren prädiktiven Konturcodierung
DE60116195D1 (de) Vorrichtung und Verfahren zur Verschleierung von Eingangsparametern
DE69523032D1 (de) Vorrichtung und Verfahren zur Kodierung der Sprachgrundfrequenz
DE69943234D1 (de) Vorrichtung und verfahren zur sprachdekodierung
DE69724208D1 (de) Verfahren und Vorrichtung zur Leistungsverbesserung einer Vektorquantisierung
DE69419223T2 (de) Vorrichtung zur Sprachverbesserung
DE60107184D1 (de) Vorrichtung und Verfahren zur Regelung des spezifischen Widerstandes von ultra reinem Wasser
DE50115047D1 (de) Verfahren und Vorrichtung zur Stabilitätsbeeinflussung von Kraftfahrzeugen
DE60217612D1 (de) Verfahren und Vorrichtung zur Kodierung und Dekodierung von Sprachsignalen
DE69418732T2 (de) Verfahren und vorrichtung zur verbesserung von tonsignalen

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties