BRPI0816669A2 - Método e um aparelho de decodificação de um sinal de áudio - Google Patents

Método e um aparelho de decodificação de um sinal de áudio

Info

Publication number
BRPI0816669A2
BRPI0816669A2 BRPI0816669A BRPI0816669A2 BR PI0816669 A2 BRPI0816669 A2 BR PI0816669A2 BR PI0816669 A BRPI0816669 A BR PI0816669A BR PI0816669 A2 BRPI0816669 A2 BR PI0816669A2
Authority
BR
Brazil
Prior art keywords
decoding
audio signal
audio
signal
Prior art date
Application number
Other languages
English (en)
Inventor
Hyun O Oh
Yang Won Jung
Myung Hoon Lee
Christof Faller
Original Assignee
Lg Electronics 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 Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of BRPI0816669A2 publication Critical patent/BRPI0816669A2/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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0272—Voice signal separating
    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
BRPI0816669 2007-09-06 2008-09-08 Método e um aparelho de decodificação de um sinal de áudio BRPI0816669A2 (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US97052407P 2007-09-06 2007-09-06
US98471307P 2007-11-01 2007-11-01
US7876108P 2008-07-07 2008-07-07
PCT/KR2008/005291 WO2009031870A1 (en) 2007-09-06 2008-09-08 A method and an apparatus of decoding an audio signal

Publications (1)

Publication Number Publication Date
BRPI0816669A2 true BRPI0816669A2 (pt) 2015-03-17

Family

ID=40429078

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0816669 BRPI0816669A2 (pt) 2007-09-06 2008-09-08 Método e um aparelho de decodificação de um sinal de áudio

Country Status (10)

Country Link
US (2) US8422688B2 (pt)
EP (2) EP2191463B1 (pt)
JP (2) JP2010538572A (pt)
KR (2) KR101569032B1 (pt)
CN (2) CN101836249B (pt)
AU (1) AU2008295723B2 (pt)
BR (1) BRPI0816669A2 (pt)
CA (1) CA2699004C (pt)
MX (1) MX2010002572A (pt)
WO (2) WO2009031870A1 (pt)

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CN109036456B (zh) * 2018-09-19 2022-10-14 电子科技大学 用于立体声的源分量环境分量提取方法
CN109640242B (zh) * 2018-12-11 2020-05-12 电子科技大学 音频源分量及环境分量提取方法
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CN116325696B (zh) * 2020-10-02 2025-10-10 谷歌有限责任公司 实时的且基于文件的音频数据处理方法、电子设备及可读介质
CN113518299B (zh) * 2021-04-30 2022-06-03 电子科技大学 一种改进的源分量及环境分量提取方法、设备及计算机可读存储介质
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Also Published As

Publication number Publication date
AU2008295723A1 (en) 2009-03-12
US8422688B2 (en) 2013-04-16
KR101569032B1 (ko) 2015-11-13
WO2009031871A2 (en) 2009-03-12
WO2009031870A1 (en) 2009-03-12
AU2008295723B2 (en) 2011-03-24
CN101836249A (zh) 2010-09-15
EP2191463B1 (en) 2016-01-13
MX2010002572A (es) 2010-05-19
US20100241438A1 (en) 2010-09-23
EP2191463A4 (en) 2010-09-01
CN101828219B (zh) 2012-05-09
CN101828219A (zh) 2010-09-08
CN101836249B (zh) 2012-11-28
CA2699004C (en) 2014-02-11
KR20100063092A (ko) 2010-06-10
WO2009031871A3 (en) 2009-04-30
US20100250259A1 (en) 2010-09-30
JP2010538571A (ja) 2010-12-09
CA2699004A1 (en) 2009-03-12
US8532306B2 (en) 2013-09-10
EP2191462A4 (en) 2010-08-18
KR101572894B1 (ko) 2015-11-30
EP2191462A2 (en) 2010-06-02
KR20100081300A (ko) 2010-07-14
JP2010538572A (ja) 2010-12-09
EP2191463A1 (en) 2010-06-02

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]