JP5017418B2 - 符号化方法、装置及び機器、及び復号化方法 - Google Patents

符号化方法、装置及び機器、及び復号化方法 Download PDF

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JP5017418B2
JP5017418B2 JP2010117289A JP2010117289A JP5017418B2 JP 5017418 B2 JP5017418 B2 JP 5017418B2 JP 2010117289 A JP2010117289 A JP 2010117289A JP 2010117289 A JP2010117289 A JP 2010117289A JP 5017418 B2 JP5017418 B2 JP 5017418B2
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encoding
mode
input signal
signal frame
encoding mode
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JP2011043795A (ja
JP2011043795A5 (enExample
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レイ ミャオ
フェンヤン チ
チン チャン
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Huawei Technologies Co Ltd
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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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external 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
    • G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error

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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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2010117289A 2009-05-31 2010-05-21 符号化方法、装置及び機器、及び復号化方法 Active JP5017418B2 (ja)

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CN200910107564.4A CN101615910B (zh) 2009-05-31 2009-05-31 压缩编码的方法、装置和设备以及压缩解码方法
CN200910107564.4 2009-05-31

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JP2011043795A5 JP2011043795A5 (enExample) 2011-07-21
JP5017418B2 true JP5017418B2 (ja) 2012-09-05

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US (1) US7835906B1 (enExample)
EP (2) EP2511905A1 (enExample)
JP (2) JP5017418B2 (enExample)
KR (1) KR101162193B1 (enExample)
CN (1) CN101615910B (enExample)

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CN101615910B (zh) 2009-05-31 2010-12-22 华为技术有限公司 压缩编码的方法、装置和设备以及压缩解码方法

Also Published As

Publication number Publication date
JP5456097B2 (ja) 2014-03-26
CN101615910A (zh) 2009-12-30
KR101162193B1 (ko) 2012-07-05
US20100305955A1 (en) 2010-12-02
US7835906B1 (en) 2010-11-16
JP2011043795A (ja) 2011-03-03
KR20100129683A (ko) 2010-12-09
EP2256723B1 (en) 2013-10-16
CN101615910B (zh) 2010-12-22
JP2012194574A (ja) 2012-10-11
EP2256723A1 (en) 2010-12-01
EP2511905A1 (en) 2012-10-17

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