BR112016025330A2 - método de codificação de áudio e aparelho relacionado - Google Patents

método de codificação de áudio e aparelho relacionado

Info

Publication number
BR112016025330A2
BR112016025330A2 BR112016025330A BR112016025330A BR112016025330A2 BR 112016025330 A2 BR112016025330 A2 BR 112016025330A2 BR 112016025330 A BR112016025330 A BR 112016025330A BR 112016025330 A BR112016025330 A BR 112016025330A BR 112016025330 A2 BR112016025330 A2 BR 112016025330A2
Authority
BR
Brazil
Prior art keywords
audio coding
coding method
linear prediction
prediction efficiency
audio
Prior art date
Application number
BR112016025330A
Other languages
English (en)
Other versions
BR112016025330B1 (pt
Inventor
Wang Zhe
Original Assignee
Huawei Tech 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 Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of BR112016025330A2 publication Critical patent/BR112016025330A2/pt
Publication of BR112016025330B1 publication Critical patent/BR112016025330B1/pt

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
    • 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
    • G10L19/02—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
    • G10L19/04—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
    • G10L19/16—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
    • 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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

um método de codificação de áudio e um aparelho relacionado são revelados. o método de codificação de áudio inclui: estimar a eficiência de predição linear de referência de um quadro de áudio atual; determinar um esquema de codificação de áudio que corresponde à eficiência de predição linear de referência do quadro de áudio atual supracitado; e executar a codificação de áudio no quadro de áudio atual supracitado de acordo com o esquema de codificação de áudio que corresponde à eficiência de predição linear de referência do quadro de áudio atual supracitado. as soluções técnicas fornecidas nas modalidades da presente invenção ajudam a reduzir custos de codificação de áudio.
BR112016025330-2A 2014-04-29 2014-11-05 Método de codificação de áudio e aparelho relacionado BR112016025330B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201410177838.8A CN105096958B (zh) 2014-04-29 2014-04-29 音频编码方法及相关装置
CN201410177838.8 2014-04-29
PCT/CN2014/090369 WO2015165233A1 (zh) 2014-04-29 2014-11-05 音频编码方法及相关装置

Publications (2)

Publication Number Publication Date
BR112016025330A2 true BR112016025330A2 (pt) 2017-08-15
BR112016025330B1 BR112016025330B1 (pt) 2021-12-14

Family

ID=54358108

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112016025330-2A BR112016025330B1 (pt) 2014-04-29 2014-11-05 Método de codificação de áudio e aparelho relacionado

Country Status (18)

Country Link
US (2) US10262671B2 (pt)
EP (2) EP3618069B1 (pt)
JP (2) JP2017515154A (pt)
KR (2) KR20190042770A (pt)
CN (3) CN107452390B (pt)
AU (2) AU2014392320A1 (pt)
BR (1) BR112016025330B1 (pt)
CA (1) CA2947360C (pt)
CL (1) CL2016002750A1 (pt)
HK (1) HK1216449A1 (pt)
MX (1) MX364291B (pt)
MY (1) MY193553A (pt)
NZ (1) NZ726171A (pt)
RU (1) RU2661787C2 (pt)
SG (1) SG11201609043PA (pt)
UA (1) UA118588C2 (pt)
WO (1) WO2015165233A1 (pt)
ZA (1) ZA201607558B (pt)

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* Cited by examiner, † Cited by third party
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CN107452390B (zh) 2014-04-29 2021-10-26 华为技术有限公司 音频编码方法及相关装置
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CN113129910B (zh) * 2019-12-31 2024-07-30 华为技术有限公司 音频信号的编解码方法和编解码装置

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Also Published As

Publication number Publication date
MX364291B (es) 2019-04-22
US10262671B2 (en) 2019-04-16
CL2016002750A1 (es) 2017-06-02
CN107452391A (zh) 2017-12-08
KR20160147942A (ko) 2016-12-23
MX2016014176A (es) 2017-08-15
EP3618069B1 (en) 2024-03-20
US20170047078A1 (en) 2017-02-16
UA118588C2 (uk) 2019-02-11
US10984811B2 (en) 2021-04-20
EP3139379A1 (en) 2017-03-08
EP3139379A4 (en) 2017-04-12
AU2018253632A1 (en) 2019-01-03
MY193553A (en) 2022-10-19
SG11201609043PA (en) 2016-12-29
CN107452390B (zh) 2021-10-26
HK1216449A1 (zh) 2016-11-11
KR101971268B1 (ko) 2019-04-22
JP2019204097A (ja) 2019-11-28
AU2018253632B2 (en) 2020-10-22
CA2947360C (en) 2020-09-08
US20190164561A1 (en) 2019-05-30
WO2015165233A1 (zh) 2015-11-05
NZ726171A (en) 2018-04-27
CN107452390A (zh) 2017-12-08
CA2947360A1 (en) 2015-11-05
CN105096958B (zh) 2017-04-12
JP6812504B2 (ja) 2021-01-13
CN107452391B (zh) 2020-08-25
BR112016025330B1 (pt) 2021-12-14
CN105096958A (zh) 2015-11-25
JP2017515154A (ja) 2017-06-08
KR20190042770A (ko) 2019-04-24
AU2014392320A1 (en) 2016-11-24
EP3618069A1 (en) 2020-03-04
ZA201607558B (en) 2017-09-27
RU2661787C2 (ru) 2018-07-19
RU2016146538A (ru) 2018-05-29
RU2016146538A3 (pt) 2018-05-29

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
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