ATE393448T1 - Verfahren und vorrichtung zur kodierung von stimmloser sprache - Google Patents

Verfahren und vorrichtung zur kodierung von stimmloser sprache

Info

Publication number
ATE393448T1
ATE393448T1 AT01981837T AT01981837T ATE393448T1 AT E393448 T1 ATE393448 T1 AT E393448T1 AT 01981837 T AT01981837 T AT 01981837T AT 01981837 T AT01981837 T AT 01981837T AT E393448 T1 ATE393448 T1 AT E393448T1
Authority
AT
Austria
Prior art keywords
excitation
spectral characteristics
gains
speech
residual signal
Prior art date
Application number
AT01981837T
Other languages
English (en)
Inventor
Pengjun Huang
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 ATE393448T1 publication Critical patent/ATE393448T1/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
    • 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
    • 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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (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)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
AT01981837T 2000-10-17 2001-10-06 Verfahren und vorrichtung zur kodierung von stimmloser sprache ATE393448T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/690,915 US6947888B1 (en) 2000-10-17 2000-10-17 Method and apparatus for high performance low bit-rate coding of unvoiced speech

Publications (1)

Publication Number Publication Date
ATE393448T1 true ATE393448T1 (de) 2008-05-15

Family

ID=24774477

Family Applications (2)

Application Number Title Priority Date Filing Date
AT08001922T ATE549714T1 (de) 2000-10-17 2001-10-06 Verfahren und vorrichtung zur hochleistungskodierung ungesprochener sprache mit niedriger bitrate
AT01981837T ATE393448T1 (de) 2000-10-17 2001-10-06 Verfahren und vorrichtung zur kodierung von stimmloser sprache

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT08001922T ATE549714T1 (de) 2000-10-17 2001-10-06 Verfahren und vorrichtung zur hochleistungskodierung ungesprochener sprache mit niedriger bitrate

Country Status (12)

Country Link
US (3) US6947888B1 (de)
EP (2) EP1912207B1 (de)
JP (1) JP4270866B2 (de)
KR (1) KR100798668B1 (de)
CN (1) CN1302459C (de)
AT (2) ATE549714T1 (de)
AU (1) AU1345402A (de)
BR (1) BR0114707A (de)
DE (1) DE60133757T2 (de)
ES (2) ES2380962T3 (de)
TW (1) TW563094B (de)
WO (1) WO2002033695A2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7257154B2 (en) * 2002-07-22 2007-08-14 Broadcom Corporation Multiple high-speed bit stream interface circuit
US20050004793A1 (en) * 2003-07-03 2005-01-06 Pasi Ojala Signal adaptation for higher band coding in a codec utilizing band split coding
CA2454296A1 (en) * 2003-12-29 2005-06-29 Nokia Corporation Method and device for speech enhancement in the presence of background noise
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
US20060190246A1 (en) * 2005-02-23 2006-08-24 Via Telecom Co., Ltd. Transcoding method for switching between selectable mode voice encoder and an enhanced variable rate CODEC
CN101185127B (zh) * 2005-04-01 2014-04-23 高通股份有限公司 用于编码和解码语音信号的高频带部分的方法和设备
JP5129117B2 (ja) * 2005-04-01 2013-01-23 クゥアルコム・インコーポレイテッド 音声信号の高帯域部分を符号化及び復号する方法及び装置
PL1875463T3 (pl) * 2005-04-22 2019-03-29 Qualcomm Incorporated Układy, sposoby i urządzenie do wygładzania współczynnika wzmocnienia
DK2011234T3 (da) 2006-04-27 2011-03-14 Dolby Lab Licensing Corp Audioforstærkningskontrol anvendende specifik-lydstyrke-baseret auditiv hændelsesdetektering
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
JP4827661B2 (ja) * 2006-08-30 2011-11-30 富士通株式会社 信号処理方法及び装置
KR101299155B1 (ko) * 2006-12-29 2013-08-22 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
KR101435411B1 (ko) * 2007-09-28 2014-08-28 삼성전자주식회사 심리 음향 모델의 마스킹 효과에 따라 적응적으로 양자화간격을 결정하는 방법과 이를 이용한 오디오 신호의부호화/복호화 방법 및 그 장치
US20090094026A1 (en) * 2007-10-03 2009-04-09 Binshi Cao Method of determining an estimated frame energy of a communication
JP2011518345A (ja) * 2008-03-14 2011-06-23 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション スピーチライク信号及びノンスピーチライク信号のマルチモードコーディング
CN101339767B (zh) * 2008-03-21 2010-05-12 华为技术有限公司 一种背景噪声激励信号的生成方法及装置
CN101609674B (zh) * 2008-06-20 2011-12-28 华为技术有限公司 编解码方法、装置和系统
KR101756834B1 (ko) 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
FR2936898A1 (fr) * 2008-10-08 2010-04-09 France Telecom Codage a echantillonnage critique avec codeur predictif
CN101615395B (zh) 2008-12-31 2011-01-12 华为技术有限公司 信号编码、解码方法及装置、系统
US8670990B2 (en) * 2009-08-03 2014-03-11 Broadcom Corporation Dynamic time scale modification for reduced bit rate audio coding
WO2012091464A1 (ko) * 2010-12-29 2012-07-05 삼성전자 주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
CN104978970B (zh) 2014-04-08 2019-02-12 华为技术有限公司 一种噪声信号的处理和生成方法、编解码器和编解码系统
TWI566239B (zh) * 2015-01-22 2017-01-11 宏碁股份有限公司 語音信號處理裝置及語音信號處理方法
CN106157966B (zh) * 2015-04-15 2019-08-13 宏碁股份有限公司 语音信号处理装置及语音信号处理方法
CN116052700B (zh) * 2022-07-29 2023-09-29 荣耀终端有限公司 声音编解码方法以及相关装置、系统

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62111299A (ja) * 1985-11-08 1987-05-22 松下電器産業株式会社 音声信号特徴抽出回路
JP2898641B2 (ja) * 1988-05-25 1999-06-02 株式会社東芝 音声符号化装置
US5293449A (en) * 1990-11-23 1994-03-08 Comsat Corporation Analysis-by-synthesis 2,4 kbps linear predictive speech codec
US5233660A (en) * 1991-09-10 1993-08-03 At&T Bell Laboratories Method and apparatus for low-delay celp speech coding and decoding
US5734789A (en) 1992-06-01 1998-03-31 Hughes Electronics Voiced, unvoiced or noise modes in a CELP vocoder
JPH06250697A (ja) * 1993-02-26 1994-09-09 Fujitsu Ltd 音声符号化方法及び音声符号化装置並びに音声復号化方法及び音声復号化装置
US5615298A (en) * 1994-03-14 1997-03-25 Lucent Technologies Inc. Excitation signal synthesis during frame erasure or packet loss
JPH08320700A (ja) * 1995-05-26 1996-12-03 Nec Corp 音声符号化装置
JP3522012B2 (ja) * 1995-08-23 2004-04-26 沖電気工業株式会社 コード励振線形予測符号化装置
JP3248668B2 (ja) * 1996-03-25 2002-01-21 日本電信電話株式会社 ディジタルフィルタおよび音響符号化／復号化装置
JP3174733B2 (ja) * 1996-08-22 2001-06-11 松下電器産業株式会社 Ｃｅｌｐ型音声復号化装置、およびｃｅｌｐ型音声復号化方法
JPH1091194A (ja) * 1996-09-18 1998-04-10 Sony Corp 音声復号化方法及び装置
JP4040126B2 (ja) * 1996-09-20 2008-01-30 ソニー株式会社 音声復号化方法および装置
US6148282A (en) * 1997-01-02 2000-11-14 Texas Instruments Incorporated Multimodal code-excited linear prediction (CELP) coder and method using peakiness measure
ES2259453T3 (es) * 1997-04-07 2006-10-01 Koninklijke Philips Electronics, N.V. Sistema de transmision de voz con velocidad de transferencia de bits variable.
FI113571B (fi) * 1998-03-09 2004-05-14 Nokia Corp Puheenkoodaus
US6480822B2 (en) * 1998-08-24 2002-11-12 Conexant Systems, Inc. Low complexity random codebook structure
US6463407B2 (en) 1998-11-13 2002-10-08 Qualcomm Inc. Low bit-rate coding of unvoiced segments of speech
US6453287B1 (en) * 1999-02-04 2002-09-17 Georgia-Tech Research Corporation Apparatus and quality enhancement algorithm for mixed excitation linear predictive (MELP) and other speech coders
US6324505B1 (en) * 1999-07-19 2001-11-27 Qualcomm Incorporated Amplitude quantization scheme for low-bit-rate speech coders
JP2007097007A (ja) * 2005-09-30 2007-04-12 Akon Higuchi 複数人用ポータブルオーディオ
JP4786992B2 (ja) * 2005-10-07 2011-10-05 クリナップ株式会社 厨房家具のビルトイン機器およびこれを有する厨房家具

Also Published As

Publication number Publication date
HK1060430A1 (en) 2004-08-06
CN1470051A (zh) 2004-01-21
JP2004517348A (ja) 2004-06-10
US20050143980A1 (en) 2005-06-30
ES2302754T3 (es) 2008-08-01
US7493256B2 (en) 2009-02-17
EP1328925B1 (de) 2008-04-23
US20070192092A1 (en) 2007-08-16
CN1302459C (zh) 2007-02-28
TW563094B (en) 2003-11-21
KR20030041169A (ko) 2003-05-23
AU1345402A (en) 2002-04-29
ATE549714T1 (de) 2012-03-15
ES2380962T3 (es) 2012-05-21
DE60133757T2 (de) 2009-07-02
EP1912207A1 (de) 2008-04-16
EP1912207B1 (de) 2012-03-14
EP1328925A2 (de) 2003-07-23
US6947888B1 (en) 2005-09-20
WO2002033695A2 (en) 2002-04-25
KR100798668B1 (ko) 2008-01-28
US7191125B2 (en) 2007-03-13
BR0114707A (pt) 2004-01-20
JP4270866B2 (ja) 2009-06-03
DE60133757D1 (de) 2008-06-05
WO2002033695A3 (en) 2002-07-04

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