[go: up one dir, main page]

ATE389933T1 - Transcodierung zwischen den indizes von mehrimpuls-wörterbüchern zur codierung bei der digitalen signalkomprimierung - Google Patents

Transcodierung zwischen den indizes von mehrimpuls-wörterbüchern zur codierung bei der digitalen signalkomprimierung

Info

Publication number
ATE389933T1
ATE389933T1 AT04805537T AT04805537T ATE389933T1 AT E389933 T1 ATE389933 T1 AT E389933T1 AT 04805537 T AT04805537 T AT 04805537T AT 04805537 T AT04805537 T AT 04805537T AT E389933 T1 ATE389933 T1 AT E389933T1
Authority
AT
Austria
Prior art keywords
pulse
coder
transcoding
dictionaries
indexes
Prior art date
Application number
AT04805537T
Other languages
English (en)
Inventor
Claude Lamblin
Mohamed Ghenania
Original Assignee
France Telecom
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 France Telecom filed Critical France Telecom
Application granted granted Critical
Publication of ATE389933T1 publication Critical patent/ATE389933T1/de

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
    • G10L19/08—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 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
    • 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

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)
  • Analogue/Digital Conversion (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT04805537T 2003-12-10 2004-11-24 Transcodierung zwischen den indizes von mehrimpuls-wörterbüchern zur codierung bei der digitalen signalkomprimierung ATE389933T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0314489A FR2867648A1 (fr) 2003-12-10 2003-12-10 Transcodage entre indices de dictionnaires multi-impulsionnels utilises en codage en compression de signaux numeriques

Publications (1)

Publication Number Publication Date
ATE389933T1 true ATE389933T1 (de) 2008-04-15

Family

ID=34746280

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04805537T ATE389933T1 (de) 2003-12-10 2004-11-24 Transcodierung zwischen den indizes von mehrimpuls-wörterbüchern zur codierung bei der digitalen signalkomprimierung

Country Status (12)

Country Link
US (1) US7574354B2 (de)
EP (1) EP1692687B1 (de)
JP (1) JP4970046B2 (de)
KR (1) KR101108637B1 (de)
CN (1) CN1890713B (de)
AT (1) ATE389933T1 (de)
DE (1) DE602004012600T2 (de)
ES (1) ES2303129T3 (de)
FR (1) FR2867648A1 (de)
MX (1) MXPA06006621A (de)
PL (1) PL1692687T3 (de)
WO (1) WO2005066936A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2867649A1 (fr) * 2003-12-10 2005-09-16 France Telecom Procede de codage multiple optimise
EP1789955A1 (de) * 2004-08-31 2007-05-30 Koninklijke Philips Electronics N.V. Verfahren und vorrichtung zur transkodierung
FR2880724A1 (fr) * 2005-01-11 2006-07-14 France Telecom Procede et dispositif de codage optimise entre deux modeles de prediction a long terme
US20060262851A1 (en) * 2005-05-19 2006-11-23 Celtro Ltd. Method and system for efficient transmission of communication traffic
KR100918377B1 (ko) * 2006-05-30 2009-09-22 주식회사 메디슨 영상압축 방법
US8214200B2 (en) * 2007-03-14 2012-07-03 Xfrm, Inc. Fast MDCT (modified discrete cosine transform) approximation of a windowed sinusoid
CN101295506B (zh) * 2007-04-29 2011-11-16 华为技术有限公司 脉冲编解码方法及脉冲编解码器
ES2817906T3 (es) 2007-04-29 2021-04-08 Huawei Tech Co Ltd Método de codificación de impulsos de las señales de excitación
EP2045800A1 (de) * 2007-10-05 2009-04-08 Nokia Siemens Networks Oy Transkodierverfahren und -vorrichtung
CN101931414B (zh) 2009-06-19 2013-04-24 华为技术有限公司 脉冲编码方法及装置、脉冲解码方法及装置
US8738679B2 (en) * 2009-07-03 2014-05-27 Stmicroelectronics International N.V. Offset-free sinc interpolator and related methods
CN102299760B (zh) 2010-06-24 2014-03-12 华为技术有限公司 脉冲编解码方法及脉冲编解码器
US8805697B2 (en) * 2010-10-25 2014-08-12 Qualcomm Incorporated Decomposition of music signals using basis functions with time-evolution information
CN102623012B (zh) * 2011-01-26 2014-08-20 华为技术有限公司 矢量联合编解码方法及编解码器
WO2013048171A2 (ko) * 2011-09-28 2013-04-04 엘지전자 주식회사 음성 신호 부호화 방법 및 음성 신호 복호화 방법 그리고 이를 이용하는 장치
US8731081B2 (en) * 2011-12-07 2014-05-20 Motorola Mobility Llc Apparatus and method for combinatorial coding of signals
CN110622421B (zh) * 2017-08-07 2022-09-27 深圳市汇顶科技股份有限公司 应用于超取样转换器的向量量化数模转换电路
CN114598558B (zh) * 2022-03-28 2023-10-31 厦门亿联网络技术股份有限公司 音频设备级联自修复系统及自修复方法
WO2024216716A1 (en) * 2023-06-02 2024-10-24 Zte Corporation Pulse interval encoding based index modulation methods for passive internet of things

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3109594B2 (ja) * 1998-08-18 2000-11-20 日本電気株式会社 移動通信システムおよび移動端末接続方法
US6604070B1 (en) * 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
US7315815B1 (en) * 1999-09-22 2008-01-01 Microsoft Corporation LPC-harmonic vocoder with superframe structure
US7222070B1 (en) * 1999-09-22 2007-05-22 Texas Instruments Incorporated Hybrid speech coding and system
FR2802329B1 (fr) * 1999-12-08 2003-03-28 France Telecom Procede de traitement d'au moins un flux binaire audio code organise sous la forme de trames
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
US6704703B2 (en) * 2000-02-04 2004-03-09 Scansoft, Inc. Recursively excited linear prediction speech coder
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
US7272555B2 (en) * 2001-09-13 2007-09-18 Industrial Technology Research Institute Fine granularity scalability speech coding for multi-pulses CELP-based algorithm
US6829579B2 (en) * 2002-01-08 2004-12-07 Dilithium Networks, Inc. Transcoding method and system between CELP-based speech codes
AU2003207498A1 (en) * 2002-01-08 2003-07-24 Dilithium Networks Pty Limited A transcoding scheme between celp-based speech codes
JP4304360B2 (ja) * 2002-05-22 2009-07-29 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および装置とその記憶媒体
JP4238535B2 (ja) * 2002-07-24 2009-03-18 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及び装置とその記憶媒体
JP2006502426A (ja) * 2002-10-11 2006-01-19 ノキア コーポレイション ソース制御された可変ビットレート広帯域音声の符号化方法および装置
US7363218B2 (en) * 2002-10-25 2008-04-22 Dilithium Networks Pty. Ltd. Method and apparatus for fast CELP parameter mapping
US7523032B2 (en) * 2003-12-19 2009-04-21 Nokia Corporation Speech coding method, device, coding module, system and software program product for pre-processing the phase structure of a to be encoded speech signal to match the phase structure of the decoded signal
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding

Also Published As

Publication number Publication date
JP2007515676A (ja) 2007-06-14
CN1890713B (zh) 2010-12-08
EP1692687A1 (de) 2006-08-23
DE602004012600D1 (de) 2008-04-30
CN1890713A (zh) 2007-01-03
ES2303129T3 (es) 2008-08-01
EP1692687B1 (de) 2008-03-19
PL1692687T3 (pl) 2008-10-31
JP4970046B2 (ja) 2012-07-04
KR101108637B1 (ko) 2012-02-09
US7574354B2 (en) 2009-08-11
WO2005066936A1 (fr) 2005-07-21
US20070124138A1 (en) 2007-05-31
MXPA06006621A (es) 2006-08-31
FR2867648A1 (fr) 2005-09-16
DE602004012600T2 (de) 2009-04-30
KR20060131781A (ko) 2006-12-20

Similar Documents

Publication Publication Date Title
ATE389933T1 (de) Transcodierung zwischen den indizes von mehrimpuls-wörterbüchern zur codierung bei der digitalen signalkomprimierung
ATE520121T1 (de) Verbesserte celp kodierung oder dekodierung eines digitalen audiosignals
KR101278805B1 (ko) 엔트로피 코딩 방법 및 엔트로피 디코딩 방법
JP5277350B2 (ja) 圧縮符号化および復号の方法、符号器、復号器、ならびに符号化装置
ATE449405T1 (de) Entropische kodierung mittels anpassung des kodierungsmodus zwischen niveau- und lauflängenniveau-modus
ES2658824T3 (es) Configuración de envolvente temporal para codificación espacial de audio usando filtrado de Wiener de dominio de frecuencia
ES2746934T3 (es) Relleno de ruido en codificación de audio multicanal
WO2004008437A3 (en) Audio coding
ES2150313T3 (es) Procedimiento para señalizar una sustitucion de ruido en la codificacion de una señal audio.
ATE473502T1 (de) Mehrkanal-audiocodierung
JP7311940B2 (ja) 変換長切替えをサポートする周波数ドメインオーディオ符号化
DE602005018346D1 (de) Unterstützung eines Wechsels zwischen Audiocodierer-Betriebsarten
MY152845A (en) Method and device for coding transition frames in speech signals
KR20080035656A (ko) 오디오 신호 처리 방법
KR20000076153A (ko) 음성 부호화 장치, 음성 복호 장치 및 음성 부호화 복호 장치 및 음성 부호화 방법, 음성 복호 방법 및 음성 부호화 복호 방법
KR102161162B1 (ko) 음성 음향 부호화 장치, 음성 음향 복호 장치, 음성 음향 부호화 방법 및 음성 음향 복호 방법
MX2019011955A (es) Codificacion y decodificacion de posiciones de picos espectrales.
KR20120089221A (ko) 음성/음악 통합 신호의 부호화/복호화 방법 및 장치
MX2009009229A (es) Dispositivo de codificacion y metodo de codificacion.
MX2021015314A (es) Codificacion y decodificacion de parametros.
ATE515019T1 (de) Verfahren und vorrichtung zur ausführung einer optimalizierten audiokodierung zwischen zwei langzeitvorhersagemodellen
ES2363190T3 (es) Codificación de señales audio-digitales.
TW200723249A (en) An apparatus and method for lossless entropy coding of audio signal
TW200700871A (en) Method for optical analog/digital conversion and device therefor
RU2006143249A (ru) Способ адаптивного кодирования речевых сигналов на основе системы с переменной структурой

Legal Events

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