ATE410770T1 - Verringerung der speicheranforderungen einer codebuchvektorsuche - Google Patents

Verringerung der speicheranforderungen einer codebuchvektorsuche

Info

Publication number
ATE410770T1
ATE410770T1 AT02734694T AT02734694T ATE410770T1 AT E410770 T1 ATE410770 T1 AT E410770T1 AT 02734694 T AT02734694 T AT 02734694T AT 02734694 T AT02734694 T AT 02734694T AT E410770 T1 ATE410770 T1 AT E410770T1
Authority
AT
Austria
Prior art keywords
reducing
codebook vector
memory requirements
vector search
codebook
Prior art date
Application number
AT02734694T
Other languages
English (en)
Inventor
Ananthapadmanabhan Kandhadai
Andrew Dejaco
Sharath Manjunath
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 ATE410770T1 publication Critical patent/ATE410770T1/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
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms

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)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
AT02734694T 2001-06-06 2002-06-05 Verringerung der speicheranforderungen einer codebuchvektorsuche ATE410770T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/876,352 US6789059B2 (en) 2001-06-06 2001-06-06 Reducing memory requirements of a codebook vector search

Publications (1)

Publication Number Publication Date
ATE410770T1 true ATE410770T1 (de) 2008-10-15

Family

ID=25367508

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02734694T ATE410770T1 (de) 2001-06-06 2002-06-05 Verringerung der speicheranforderungen einer codebuchvektorsuche

Country Status (9)

Country Link
US (1) US6789059B2 (de)
EP (1) EP1419500B1 (de)
KR (1) KR100926599B1 (de)
CN (1) CN100336101C (de)
AT (1) ATE410770T1 (de)
DE (1) DE60229270D1 (de)
HK (1) HK1067222A1 (de)
TW (1) TW561454B (de)
WO (1) WO2002099788A1 (de)

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US6714907B2 (en) * 1998-08-24 2004-03-30 Mindspeed Technologies, Inc. Codebook structure and search for speech coding
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
EP1394773B1 (de) * 2002-08-08 2006-03-29 Alcatel Verfahren zur Signalkodierung mittels einer Vektorquantisierung
KR20050008356A (ko) * 2003-07-15 2005-01-21 한국전자통신연구원 음성의 상호부호화시 선형 예측을 이용한 피치 지연 변환장치 및 방법
US7788091B2 (en) * 2004-09-22 2010-08-31 Texas Instruments Incorporated Methods, devices and systems for improved pitch enhancement and autocorrelation in voice codecs
US7860710B2 (en) * 2004-09-22 2010-12-28 Texas Instruments Incorporated Methods, devices and systems for improved codebook search for voice codecs
US7752039B2 (en) * 2004-11-03 2010-07-06 Nokia Corporation Method and device for low bit rate speech coding
US8265929B2 (en) * 2004-12-08 2012-09-11 Electronics And Telecommunications Research Institute Embedded code-excited linear prediction speech coding and decoding apparatus and method
US7778826B2 (en) * 2005-01-13 2010-08-17 Intel Corporation Beamforming codebook generation system and associated methods
KR100813260B1 (ko) 2005-07-13 2008-03-13 삼성전자주식회사 코드북 탐색 방법 및 장치
US7571094B2 (en) * 2005-09-21 2009-08-04 Texas Instruments Incorporated Circuits, processes, devices and systems for codebook search reduction in speech coders
KR20080052813A (ko) * 2006-12-08 2008-06-12 한국전자통신연구원 채널별 신호 분포 특성을 반영한 오디오 코딩 장치 및 방법
CN101039137B (zh) * 2007-04-19 2010-04-14 上海交通大学 Mimo-ofdm系统基于码本搜索减少预编码反馈比特数的方法及装置
PT2165328T (pt) * 2007-06-11 2018-04-24 Fraunhofer Ges Forschung Codificação e descodificação de um sinal de áudio tendo uma parte do tipo impulso e uma parte estacionária
KR101594815B1 (ko) * 2008-10-20 2016-02-29 삼성전자주식회사 적응적으로 코드북을 생성하고 사용하는 다중 입출력 통신 시스템 및 통신 방법
CA2809886C (en) * 2010-09-02 2017-03-28 Microsoft Corporation Generation and application of a sub-codebook of an error control coding codebook
US8516349B2 (en) * 2010-09-02 2013-08-20 Microsoft Corporation Generation and application of a sub-codebook of an error control coding codebook
EP2665060B1 (de) * 2011-01-14 2017-03-08 Panasonic Intellectual Property Corporation of America Gerät zur kodierung eines sprach-/tonsignal
EP2798631B1 (de) * 2011-12-21 2016-03-23 Huawei Technologies Co., Ltd. Adaptive codierung der sprachgrundfrequenz für stimmhafte sprache
US9972325B2 (en) * 2012-02-17 2018-05-15 Huawei Technologies Co., Ltd. System and method for mixed codebook excitation for speech coding
US9112565B2 (en) * 2013-12-18 2015-08-18 Intel Corporation User equipment and method for precoding for MIMO codebook-based beamforming using an autocorrelation matrix for reduced quantization noise

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US4901307A (en) 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
JPH087597B2 (ja) 1988-03-28 1996-01-29 日本電気株式会社 音声符号化器
US5109390A (en) 1989-11-07 1992-04-28 Qualcomm Incorporated Diversity receiver in a cdma cellular telephone system
CA2010830C (en) 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
JP2776050B2 (ja) * 1991-02-26 1998-07-16 日本電気株式会社 音声符号化方式
FI98104C (fi) * 1991-05-20 1997-04-10 Nokia Mobile Phones Ltd Menetelmä herätevektorin generoimiseksi ja digitaalinen puhekooderi
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US5751901A (en) * 1996-07-31 1998-05-12 Qualcomm Incorporated Method for searching an excitation codebook in a code excited linear prediction (CELP) coder
JPH117361A (ja) * 1997-06-18 1999-01-12 Oputoromu:Kk 電子回路を有する記憶媒体とその使用方法
US5924062A (en) * 1997-07-01 1999-07-13 Nokia Mobile Phones ACLEP codec with modified autocorrelation matrix storage and search
US6067515A (en) * 1997-10-27 2000-05-23 Advanced Micro Devices, Inc. Split matrix quantization with split vector quantization error compensation and selective enhanced processing for robust speech recognition
US6714907B2 (en) * 1998-08-24 2004-03-30 Mindspeed Technologies, Inc. Codebook structure and search for speech coding
US6219642B1 (en) * 1998-10-05 2001-04-17 Legerity, Inc. Quantization using frequency and mean compensated frequency input data for robust speech recognition
US6347297B1 (en) * 1998-10-05 2002-02-12 Legerity, Inc. Matrix quantization with vector quantization error compensation and neural network postprocessing for robust speech recognition

Also Published As

Publication number Publication date
US20030046066A1 (en) 2003-03-06
CN1539139A (zh) 2004-10-20
KR100926599B1 (ko) 2009-11-11
KR20040044411A (ko) 2004-05-28
DE60229270D1 (de) 2008-11-20
WO2002099788A1 (en) 2002-12-12
TW561454B (en) 2003-11-11
EP1419500A1 (de) 2004-05-19
US6789059B2 (en) 2004-09-07
CN100336101C (zh) 2007-09-05
EP1419500B1 (de) 2008-10-08
HK1067222A1 (en) 2005-04-01

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