CN1820306B - 可变比特率宽带语音编码中增益量化的方法和装置 - Google Patents

可变比特率宽带语音编码中增益量化的方法和装置 Download PDF

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CN1820306B
CN1820306B CN2004800183844A CN200480018384A CN1820306B CN 1820306 B CN1820306 B CN 1820306B CN 2004800183844 A CN2004800183844 A CN 2004800183844A CN 200480018384 A CN200480018384 A CN 200480018384A CN 1820306 B CN1820306 B CN 1820306B
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codebook
gain
gain parameter
pitch gain
pitch
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CN1820306A (zh
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M·耶林克
R·萨拉米
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Nokia Technologies Oy
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    • 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
    • G10L19/08—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding

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  • 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)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Image Processing (AREA)
CN2004800183844A 2003-05-01 2004-03-12 可变比特率宽带语音编码中增益量化的方法和装置 Expired - Lifetime CN1820306B (zh)

Applications Claiming Priority (3)

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US46678403P 2003-05-01 2003-05-01
US60/466,784 2003-05-01
PCT/CA2004/000380 WO2004097797A1 (en) 2003-05-01 2004-03-12 Method and device for gain quantization in variable bit rate wideband speech coding

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CN1820306A CN1820306A (zh) 2006-08-16
CN1820306B true CN1820306B (zh) 2010-05-05

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EP (1) EP1618557B1 (enExample)
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KR (1) KR100732659B1 (enExample)
CN (1) CN1820306B (enExample)
AT (1) ATE368279T1 (enExample)
BR (1) BRPI0409970B1 (enExample)
DE (1) DE602004007786T2 (enExample)
MY (1) MY143176A (enExample)
RU (1) RU2316059C2 (enExample)
WO (1) WO2004097797A1 (enExample)

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KR20120046627A (ko) * 2010-11-02 2012-05-10 삼성전자주식회사 화자 적응 방법 및 장치
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KR20060007412A (ko) 2006-01-24
MY143176A (en) 2011-03-31
DE602004007786D1 (de) 2007-09-06
US7778827B2 (en) 2010-08-17
DE602004007786T2 (de) 2008-04-30
WO2004097797A1 (en) 2004-11-11
RU2316059C2 (ru) 2008-01-27
EP1618557B1 (en) 2007-07-25
BRPI0409970B1 (pt) 2018-07-24
RU2005137320A (ru) 2006-06-10
KR100732659B1 (ko) 2007-06-27
BRPI0409970A (pt) 2006-04-25
HK1082315A1 (en) 2006-06-02
CN1820306A (zh) 2006-08-16
JP4390803B2 (ja) 2009-12-24
JP2006525533A (ja) 2006-11-09
ATE368279T1 (de) 2007-08-15
EP1618557A1 (en) 2006-01-25
US20050251387A1 (en) 2005-11-10

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