UA83207C2 - Способ и устройство устойчивого векторного прогнозного квантования параметров линейного прогнозирования в кодировании языка с переменной битовой скоростью - Google Patents

Способ и устройство устойчивого векторного прогнозного квантования параметров линейного прогнозирования в кодировании языка с переменной битовой скоростью

Info

Publication number
UA83207C2
UA83207C2 UAA200505920A UA2005005920A UA83207C2 UA 83207 C2 UA83207 C2 UA 83207C2 UA A200505920 A UAA200505920 A UA A200505920A UA 2005005920 A UA2005005920 A UA 2005005920A UA 83207 C2 UA83207 C2 UA 83207C2
Authority
UA
Ukraine
Prior art keywords
prediction
vector
sound signal
linear prediction
parameters
Prior art date
Application number
UAA200505920A
Other languages
English (en)
Ukrainian (uk)
Inventor
Милан ЕЛИНЕК
Original Assignee
Нокиа Корпорэйшн
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 Нокиа Корпорэйшн filed Critical Нокиа Корпорэйшн
Publication of UA83207C2 publication Critical patent/UA83207C2/ru

Links

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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/02—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
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
UAA200505920A 2002-12-24 2003-12-18 Способ и устройство устойчивого векторного прогнозного квантования параметров линейного прогнозирования в кодировании языка с переменной битовой скоростью UA83207C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002415105A CA2415105A1 (en) 2002-12-24 2002-12-24 A method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding
PCT/CA2003/001985 WO2004059618A1 (en) 2002-12-24 2003-12-18 Method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding

Publications (1)

Publication Number Publication Date
UA83207C2 true UA83207C2 (ru) 2008-06-25

Family

ID=32514130

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA200505920A UA83207C2 (ru) 2002-12-24 2003-12-18 Способ и устройство устойчивого векторного прогнозного квантования параметров линейного прогнозирования в кодировании языка с переменной битовой скоростью

Country Status (15)

Country Link
US (2) US7149683B2 (ru)
EP (1) EP1576585B1 (ru)
JP (1) JP4394578B2 (ru)
KR (1) KR100712056B1 (ru)
CN (1) CN100576319C (ru)
AT (1) ATE410771T1 (ru)
AU (1) AU2003294528A1 (ru)
BR (2) BR0317652A (ru)
CA (1) CA2415105A1 (ru)
DE (1) DE60324025D1 (ru)
MX (1) MXPA05006664A (ru)
MY (1) MY141174A (ru)
RU (1) RU2326450C2 (ru)
UA (1) UA83207C2 (ru)
WO (1) WO2004059618A1 (ru)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CA2415105A1 (en) * 2002-12-24 2004-06-24 Voiceage Corporation A method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding
RU2386179C2 (ru) * 2005-04-01 2010-04-10 Квэлкомм Инкорпорейтед Способ и устройство для кодирования речевых сигналов с расщеплением полосы
UA95776C2 (ru) * 2005-04-01 2011-09-12 Квелкомм Инкорпорейтед Система, способ и устройство генерирования возбуждения в диапазоне высоких частот
TWI324336B (en) * 2005-04-22 2010-05-01 Qualcomm Inc Method of signal processing and apparatus for gain factor smoothing
US8594252B2 (en) * 2005-08-22 2013-11-26 Qualcomm Incorporated Interference cancellation for wireless communications
US8611305B2 (en) 2005-08-22 2013-12-17 Qualcomm Incorporated Interference cancellation for wireless communications
US8743909B2 (en) * 2008-02-20 2014-06-03 Qualcomm Incorporated Frame termination
US8630602B2 (en) * 2005-08-22 2014-01-14 Qualcomm Incorporated Pilot interference cancellation
US9071344B2 (en) * 2005-08-22 2015-06-30 Qualcomm Incorporated Reverse link interference cancellation
US7587314B2 (en) * 2005-08-29 2009-09-08 Nokia Corporation Single-codebook vector quantization for multiple-rate applications
KR100717401B1 (ko) * 2006-03-02 2007-05-11 삼성전자주식회사 역방향 누적 히스토그램을 이용한 음성 특징 벡터의 정규화방법 및 그 장치
GB2436191B (en) * 2006-03-14 2008-06-25 Motorola Inc Communication Unit, Intergrated Circuit And Method Therefor
WO2007114290A1 (ja) * 2006-03-31 2007-10-11 Matsushita Electric Industrial Co., Ltd. ベクトル量子化装置、ベクトル逆量子化装置、ベクトル量子化方法及びベクトル逆量子化方法
KR100900438B1 (ko) * 2006-04-25 2009-06-01 삼성전자주식회사 음성 패킷 복구 장치 및 방법
US7610195B2 (en) * 2006-06-01 2009-10-27 Nokia Corporation Decoding of predictively coded data using buffer adaptation
KR101040160B1 (ko) * 2006-08-15 2011-06-09 브로드콤 코포레이션 패킷 손실 후의 제한되고 제어된 디코딩
RU2431892C2 (ru) * 2006-11-10 2011-10-20 Панасоник Корпорэйшн Устройство декодирования параметров, устройство кодирования параметров и способ декодирования параметров
ES2533626T3 (es) * 2007-03-02 2015-04-13 Telefonaktiebolaget L M Ericsson (Publ) Métodos y adaptaciones en una red de telecomunicaciones
US20080249783A1 (en) * 2007-04-05 2008-10-09 Texas Instruments Incorporated Layered Code-Excited Linear Prediction Speech Encoder and Decoder Having Plural Codebook Contributions in Enhancement Layers Thereof and Methods of Layered CELP Encoding and Decoding
JP5300733B2 (ja) * 2007-10-12 2013-09-25 パナソニック株式会社 ベクトル量子化装置、ベクトル逆量子化装置、およびこれらの方法
CN101335004B (zh) * 2007-11-02 2010-04-21 华为技术有限公司 一种多级量化的方法及装置
US8995417B2 (en) * 2008-06-09 2015-03-31 Qualcomm Incorporated Increasing capacity in wireless communication
US9277487B2 (en) 2008-08-01 2016-03-01 Qualcomm Incorporated Cell detection with interference cancellation
US9237515B2 (en) * 2008-08-01 2016-01-12 Qualcomm Incorporated Successive detection and cancellation for cell pilot detection
JP5188913B2 (ja) * 2008-09-26 2013-04-24 株式会社エヌ・ティ・ティ・ドコモ 量子化装置、量子化方法、逆量子化装置、逆量子化方法、音声音響符号化装置および音声音響復号装置
US20100097955A1 (en) * 2008-10-16 2010-04-22 Qualcomm Incorporated Rate determination
GB2466675B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466669B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466674B (en) 2009-01-06 2013-11-13 Skype Speech coding
GB2466672B (en) * 2009-01-06 2013-03-13 Skype Speech coding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
GB2466671B (en) * 2009-01-06 2013-03-27 Skype Speech encoding
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding
EP2398149B1 (en) * 2009-02-13 2014-05-07 Panasonic Corporation Vector quantization device, vector inverse-quantization device, and associated methods
RU2408088C2 (ru) * 2009-03-24 2010-12-27 Государственное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФСО России) Способ векторного квантования параметров линейного предсказания
US9160577B2 (en) 2009-04-30 2015-10-13 Qualcomm Incorporated Hybrid SAIC receiver
US8787509B2 (en) * 2009-06-04 2014-07-22 Qualcomm Incorporated Iterative interference cancellation receiver
KR20110001130A (ko) * 2009-06-29 2011-01-06 삼성전자주식회사 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법
US8831149B2 (en) * 2009-09-03 2014-09-09 Qualcomm Incorporated Symbol estimation methods and apparatuses
US8452606B2 (en) 2009-09-29 2013-05-28 Skype Speech encoding using multiple bit rates
KR101376676B1 (ko) 2009-11-27 2014-03-20 퀄컴 인코포레이티드 무선 통신들에서의 용량 증가
ES2708959T3 (es) 2009-11-27 2019-04-12 Qualcomm Inc Mayor capacidad en comunicaciones inalámbricas
IN2012DN05235A (ru) * 2010-01-08 2015-10-23 Nippon Telegraph & Telephone
DE102010010736A1 (de) * 2010-03-09 2011-09-15 Arnold & Richter Cine Technik Gmbh & Co. Betriebs Kg Verfahren zur Kompression von Bilddaten
EP2372703A1 (en) * 2010-03-11 2011-10-05 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Signal processor, window provider, encoded media signal, method for processing a signal and method for providing a window
GB2486663A (en) * 2010-12-21 2012-06-27 Sony Comp Entertainment Europe Audio data generation using parametric description of features of sounds
JP6178305B2 (ja) 2011-04-21 2017-08-09 サムスン エレクトロニクス カンパニー リミテッド 量子化方法
RU2669139C1 (ru) 2011-04-21 2018-10-08 Самсунг Электроникс Ко., Лтд. Устройство для квантования коэффициентов кодирования с линейным предсказанием, устройство кодирования звука, устройство для деквантования коэффициентов кодирования с линейным предсказанием, устройство декодирования звука, и электронное устройство для этого
EP2772914A4 (en) * 2011-10-28 2015-07-15 Panasonic Corp DECODER FOR HYBRID SOUND SIGNALS, COORDINATORS FOR HYBRID SOUND SIGNALS, DECODING PROCEDURE FOR SOUND SIGNALS AND CODING SIGNALING PROCESSES
ES2960582T3 (es) * 2012-03-29 2024-03-05 Ericsson Telefon Ab L M Cuantificador vectorial
CN105551497B (zh) * 2013-01-15 2019-03-19 华为技术有限公司 编码方法、解码方法、编码装置和解码装置
CN104112451B (zh) * 2013-04-18 2017-07-28 华为技术有限公司 一种选择编码模式的方法及装置
CN104282308B (zh) 2013-07-04 2017-07-14 华为技术有限公司 频域包络的矢量量化方法和装置
CN111554311B (zh) * 2013-11-07 2023-05-12 瑞典爱立信有限公司 用于编码的矢量分段的方法和设备
EP2916319A1 (en) 2014-03-07 2015-09-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for encoding of information
CA3045515A1 (en) * 2016-01-03 2017-07-13 Auro Technologies Nv A signal encoder, decoder and methods using predictor models
CN105811995A (zh) * 2016-03-04 2016-07-27 广东工业大学 一种减少量化噪声的方法
US10002086B1 (en) * 2016-12-20 2018-06-19 Sandisk Technologies Llc Multi-channel memory operations based on bit error rates
US11343301B2 (en) * 2017-11-30 2022-05-24 Goto Group, Inc. Managing jitter buffer length for improved audio quality
CN119252268B (zh) * 2022-06-15 2026-03-10 腾讯科技（深圳）有限公司 音频解码、编码方法、装置、电子设备及存储介质

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0286231A (ja) * 1988-09-21 1990-03-27 Matsushita Electric Ind Co Ltd 音声予測符号化装置
JP3254696B2 (ja) * 1991-09-25 2002-02-12 三菱電機株式会社 音声符号化装置、音声復号化装置および音源生成方法
US5614996A (en) * 1994-03-03 1997-03-25 Kyocera Corporation Toner storage unit, residual toner collect unit, toner container with these units and image forming apparatus with such toner container
JPH10505718A (ja) * 1994-08-18 1998-06-02 ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー オーディオ品質の解析
JPH0863198A (ja) * 1994-08-22 1996-03-08 Nec Corp ベクトル量子化器
JP3557662B2 (ja) * 1994-08-30 2004-08-25 ソニー株式会社 音声符号化方法及び音声復号化方法、並びに音声符号化装置及び音声復号化装置
SE506379C3 (sv) * 1995-03-22 1998-01-19 Ericsson Telefon Ab L M Lpc-talkodare med kombinerad excitation
KR100322706B1 (ko) * 1995-09-25 2002-06-20 윤종용 선형예측부호화계수의부호화및복호화방법
US5774839A (en) * 1995-09-29 1998-06-30 Rockwell International Corporation Delayed decision switched prediction multi-stage LSF vector quantization
JP2891193B2 (ja) * 1996-08-16 1999-05-17 日本電気株式会社 広帯域音声スペクトル係数量子化装置
JP3067676B2 (ja) * 1997-02-13 2000-07-17 日本電気株式会社 Ｌｓｐの予測符号化装置及び方法
US6064954A (en) * 1997-04-03 2000-05-16 International Business Machines Corp. Digital audio signal coding
TW408298B (en) * 1997-08-28 2000-10-11 Texas Instruments Inc Improved method for switched-predictive quantization
US6233550B1 (en) * 1997-08-29 2001-05-15 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
FI973873A7 (fi) * 1997-10-02 1999-04-03 Nokia Mobile Phones Ltd Puhekoodaus
EP0967594B1 (en) * 1997-10-22 2006-12-13 Matsushita Electric Industrial Co., Ltd. Sound encoder and sound decoder
DE69735262D1 (de) * 1997-11-24 2006-04-20 St Microelectronics Srl MPEG-2 Dekodierung mit reduziertem Speicherbedarf durch Rekomprimierung mit adaptiver baumstrukturierter Vektorquantisierung
US6141640A (en) * 1998-02-20 2000-10-31 General Electric Company Multistage positive product vector quantization for line spectral frequencies in low rate speech coding
US6104992A (en) * 1998-08-24 2000-08-15 Conexant Systems, Inc. Adaptive gain reduction to produce fixed codebook target signal
US6260010B1 (en) * 1998-08-24 2001-07-10 Conexant Systems, Inc. Speech encoder using gain normalization that combines open and closed loop gains
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
JP3578933B2 (ja) * 1999-02-17 2004-10-20 日本電信電話株式会社 重み符号帳の作成方法及び符号帳設計時における学習時のｍａ予測係数の初期値の設定方法並びに音響信号の符号化方法及びその復号方法並びに符号化プログラムが記憶されたコンピュータに読み取り可能な記憶媒体及び復号プログラムが記憶されたコンピュータに読み取り可能な記憶媒体
JP2000305597A (ja) * 1999-03-12 2000-11-02 Texas Instr Inc <Ti> 音声圧縮のコード化
US6691092B1 (en) * 1999-04-05 2004-02-10 Hughes Electronics Corporation Voicing measure as an estimate of signal periodicity for a frequency domain interpolative speech codec system
US7423983B1 (en) * 1999-09-20 2008-09-09 Broadcom Corporation Voice and data exchange over a packet based network
AU7486200A (en) * 1999-09-22 2001-04-24 Conexant Systems, Inc. Multimode speech encoder
US6604070B1 (en) * 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
US6505222B1 (en) * 1999-10-29 2003-01-07 International Business Machines Corporation Systems methods and computer program products for controlling undesirable bias in an equalizer
KR100324204B1 (ko) * 1999-12-24 2002-02-16 오길록 예측분할벡터양자화 및 예측분할행렬양자화 방식에 의한선스펙트럼쌍 양자화기의 고속탐색방법
US7010482B2 (en) * 2000-03-17 2006-03-07 The Regents Of The University Of California REW parametric vector quantization and dual-predictive SEW vector quantization for waveform interpolative coding
US6785805B1 (en) * 2000-08-08 2004-08-31 Vi Technology, Inc. Network-based configuration method for systems integration in test, measurement, and automation environments
JP3916934B2 (ja) * 2000-11-27 2007-05-23 日本電信電話株式会社 音響パラメータ符号化、復号化方法、装置及びプログラム、音響信号符号化、復号化方法、装置及びプログラム、音響信号送信装置、音響信号受信装置
CA2733453C (en) * 2000-11-30 2014-10-14 Panasonic Corporation Lpc vector quantization apparatus
KR20020075592A (ko) * 2001-03-26 2002-10-05 한국전자통신연구원 광대역 음성 부호화기용 ｌｓｆ 양자화기
US7042841B2 (en) * 2001-07-16 2006-05-09 International Business Machines Corporation Controlling network congestion using a biased packet discard policy for congestion control and encoded session packets: methods, systems, and program products
EP1428206B1 (en) * 2001-08-17 2007-09-12 Broadcom Corporation Bit error concealment methods for speech coding
CA2415105A1 (en) * 2002-12-24 2004-06-24 Voiceage Corporation A method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding

Also Published As

Publication number Publication date
MY141174A (en) 2010-03-31
EP1576585A1 (en) 2005-09-21
HK1082587A1 (en) 2006-06-09
JP4394578B2 (ja) 2010-01-06
RU2326450C2 (ru) 2008-06-10
US20050261897A1 (en) 2005-11-24
AU2003294528A1 (en) 2004-07-22
RU2005123381A (ru) 2006-01-20
WO2004059618A1 (en) 2004-07-15
DE60324025D1 (de) 2008-11-20
BRPI0317652B1 (pt) 2018-05-22
CA2415105A1 (en) 2004-06-24
US20070112564A1 (en) 2007-05-17
MXPA05006664A (es) 2005-08-16
ATE410771T1 (de) 2008-10-15
KR100712056B1 (ko) 2007-05-02
US7502734B2 (en) 2009-03-10
US7149683B2 (en) 2006-12-12
BR0317652A (pt) 2005-12-06
JP2006510947A (ja) 2006-03-30
CN1739142A (zh) 2006-02-22
EP1576585B1 (en) 2008-10-08
KR20050089071A (ko) 2005-09-07
CN100576319C (zh) 2009-12-30

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