ATE549714T1 - Verfahren und vorrichtung zur hochleistungskodierung ungesprochener sprache mit niedriger bitrate - Google Patents

Verfahren und vorrichtung zur hochleistungskodierung ungesprochener sprache mit niedriger bitrate

Info

Publication number
ATE549714T1
ATE549714T1 AT08001922T AT08001922T ATE549714T1 AT E549714 T1 ATE549714 T1 AT E549714T1 AT 08001922 T AT08001922 T AT 08001922T AT 08001922 T AT08001922 T AT 08001922T AT E549714 T1 ATE549714 T1 AT E549714T1
Authority
AT
Austria
Prior art keywords
excitation
spectral characteristics
gains
residual signal
speech
Prior art date
Application number
AT08001922T
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 ATE549714T1 publication Critical patent/ATE549714T1/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)
AT08001922T 2000-10-17 2001-10-06 Verfahren und vorrichtung zur hochleistungskodierung ungesprochener sprache mit niedriger bitrate ATE549714T1 (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
ATE549714T1 true ATE549714T1 (de) 2012-03-15

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 After (1)

Application Number Title Priority Date Filing Date
AT01981837T ATE393448T1 (de) 2000-10-17 2001-10-06 Verfahren und vorrichtung zur kodierung von stimmloser sprache

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)

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PL1875463T3 (pl) * 2005-04-22 2019-03-29 Qualcomm Incorporated Układy, sposoby i urządzenie do wygładzania współczynnika wzmocnienia
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US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
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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
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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

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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
ATE393448T1 (de) 2008-05-15
AU1345402A (en) 2002-04-29
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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