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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Analogue/Digital Conversion (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 (18)

* 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
JP2008511852A (ja) * 2004-08-31 2008-04-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ トランスコードのための方法および装置
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
EP2827327B1 (de) 2007-04-29 2020-07-29 Huawei Technologies Co., Ltd. Pulskodierungsmethode von Anregungssignalen
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
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
EP2763137B1 (de) * 2011-09-28 2016-09-14 LG Electronics Inc. Sprachsignalkodierverfahren und sprachsignaldekodierverfahren
US8731081B2 (en) * 2011-12-07 2014-05-20 Motorola Mobility Llc Apparatus and method for combinatorial coding of signals
WO2019028602A1 (zh) * 2017-08-07 2019-02-14 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

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
JP2005515486A (ja) * 2002-01-08 2005-05-26 ディリチウム ネットワークス ピーティーワイ リミテッド Ｃｅｌｐによる音声符号間のトランスコーディング・スキーム
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
WO2004034379A2 (en) * 2002-10-11 2004-04-22 Nokia Corporation Methods and devices for source controlled variable bit-rate wideband speech coding
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
DE602004012600T2 (de) 2009-04-30
CN1890713B (zh) 2010-12-08
DE602004012600D1 (de) 2008-04-30
PL1692687T3 (pl) 2008-10-31
US7574354B2 (en) 2009-08-11
JP4970046B2 (ja) 2012-07-04
WO2005066936A1 (fr) 2005-07-21
EP1692687B1 (de) 2008-03-19
MXPA06006621A (es) 2006-08-31
JP2007515676A (ja) 2007-06-14
US20070124138A1 (en) 2007-05-31
ES2303129T3 (es) 2008-08-01
KR101108637B1 (ko) 2012-02-09
FR2867648A1 (fr) 2005-09-16
KR20060131781A (ko) 2006-12-20
EP1692687A1 (de) 2006-08-23
CN1890713A (zh) 2007-01-03

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