PL3340242T3 - Sposób i urządzenie kodujące dźwięk - Google Patents

Sposób i urządzenie kodujące dźwięk

Info

Publication number
PL3340242T3
PL3340242T3 PL17196524T PL17196524T PL3340242T3 PL 3340242 T3 PL3340242 T3 PL 3340242T3 PL 17196524 T PL17196524 T PL 17196524T PL 17196524 T PL17196524 T PL 17196524T PL 3340242 T3 PL3340242 T3 PL 3340242T3
Authority
PL
Poland
Prior art keywords
coding method
audio coding
audio
coding
Prior art date
Application number
PL17196524T
Other languages
English (en)
Inventor
Zexin Liu
Bin Wang
Lei Miao
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of PL3340242T3 publication Critical patent/PL3340242T3/pl

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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/12—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL17196524T 2014-06-27 2015-03-23 Sposób i urządzenie kodujące dźwięk PL3340242T3 (pl)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CN201410299590 2014-06-27
CN201410426046.XA CN105225670B (zh) 2014-06-27 2014-08-26 一种音频编码方法和装置
EP17196524.7A EP3340242B1 (en) 2014-06-27 2015-03-23 Audio coding method and apparatus
EP15811087.4A EP3136383B1 (en) 2014-06-27 2015-03-23 Audio coding method and apparatus
PCT/CN2015/074850 WO2015196837A1 (zh) 2014-06-27 2015-03-23 一种音频编码方法和装置

Publications (1)

Publication Number Publication Date
PL3340242T3 true PL3340242T3 (pl) 2021-12-06

Family

ID=54936716

Family Applications (1)

Application Number Title Priority Date Filing Date
PL17196524T PL3340242T3 (pl) 2014-06-27 2015-03-23 Sposób i urządzenie kodujące dźwięk

Country Status (9)

Country Link
US (4) US9812143B2 (pl)
EP (3) EP3340242B1 (pl)
JP (1) JP6414635B2 (pl)
KR (3) KR101990538B1 (pl)
CN (2) CN106486129B (pl)
ES (2) ES2882485T3 (pl)
HU (1) HUE054555T2 (pl)
PL (1) PL3340242T3 (pl)
WO (1) WO2015196837A1 (pl)

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CN110390939B (zh) * 2019-07-15 2021-08-20 珠海市杰理科技股份有限公司 音频压缩方法和装置

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Also Published As

Publication number Publication date
EP3136383B1 (en) 2017-12-27
EP3340242A1 (en) 2018-06-27
EP3136383A1 (en) 2017-03-01
US20210390968A1 (en) 2021-12-16
CN106486129B (zh) 2019-10-25
CN105225670A (zh) 2016-01-06
KR20180089576A (ko) 2018-08-08
US10460741B2 (en) 2019-10-29
KR20190071834A (ko) 2019-06-24
KR20170003969A (ko) 2017-01-10
US11133016B2 (en) 2021-09-28
EP3937169A3 (en) 2022-04-13
ES2882485T3 (es) 2021-12-02
EP3937169A2 (en) 2022-01-12
EP3136383A4 (en) 2017-03-08
EP3340242B1 (en) 2021-05-12
HUE054555T2 (hu) 2021-09-28
US9812143B2 (en) 2017-11-07
KR101888030B1 (ko) 2018-08-13
JP2017524164A (ja) 2017-08-24
US20170372716A1 (en) 2017-12-28
US20200027468A1 (en) 2020-01-23
CN105225670B (zh) 2016-12-28
ES2659068T3 (es) 2018-03-13
JP6414635B2 (ja) 2018-10-31
WO2015196837A1 (zh) 2015-12-30
CN106486129A (zh) 2017-03-08
KR101990538B1 (ko) 2019-06-18
US20170076732A1 (en) 2017-03-16
KR102130363B1 (ko) 2020-07-06

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