KR20070109982A - 오디오 코딩 및 디코딩 - Google Patents

오디오 코딩 및 디코딩 Download PDF

Info

Publication number
KR20070109982A
KR20070109982A KR1020077013144A KR20077013144A KR20070109982A KR 20070109982 A KR20070109982 A KR 20070109982A KR 1020077013144 A KR1020077013144 A KR 1020077013144A KR 20077013144 A KR20077013144 A KR 20077013144A KR 20070109982 A KR20070109982 A KR 20070109982A
Authority
KR
South Korea
Prior art keywords
encoding
decoding
unit
frequency band
signal
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
KR1020077013144A
Other languages
English (en)
Korean (ko)
Inventor
브린케르 알버츠 씨. 덴
파로우 펠리프 리에라
아르놀두스 더블유. 제이. 우멘
장-베르나르드 에이치. 엠. 라울트
데이비드 에스. 티. 비레트
피에릭크 제이.-엘. 엠. 필립
Original Assignee
코닌클리케 필립스 일렉트로닉스 엔.브이.
프랑스 뗄레꽁(소시에떼 아노님)
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 코닌클리케 필립스 일렉트로닉스 엔.브이., 프랑스 뗄레꽁(소시에떼 아노님) filed Critical 코닌클리케 필립스 일렉트로닉스 엔.브이.
Publication of KR20070109982A publication Critical patent/KR20070109982A/ko
Ceased legal-status Critical Current

Links

Images

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
    • 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
    • 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
    • G10L19/0204—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 using subband decomposition
    • 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
    • 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)
KR1020077013144A 2004-11-09 2005-11-03 오디오 코딩 및 디코딩 Ceased KR20070109982A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04105633 2004-11-09
EP04105633.4 2004-11-09

Publications (1)

Publication Number Publication Date
KR20070109982A true KR20070109982A (ko) 2007-11-15

Family

ID=35892382

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020077013144A Ceased KR20070109982A (ko) 2004-11-09 2005-11-03 오디오 코딩 및 디코딩

Country Status (6)

Country Link
US (1) US20090070118A1 (https=)
EP (1) EP1815462A1 (https=)
JP (1) JP2008519991A (https=)
KR (1) KR20070109982A (https=)
CN (1) CN101167128A (https=)
WO (1) WO2006051451A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009066869A1 (en) * 2007-11-21 2009-05-28 Electronics And Telecommunications Research Institute Frequency band determining method for quantization noise shaping and transient noise shaping method using the same
KR100938282B1 (ko) * 2007-11-21 2010-01-22 한국전자통신연구원 양자화 잡음 처리를 위한 적용 주파수 대역 결정 방법과,그를 이용한 양자화 잡음 처리 방법

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008100503A2 (en) * 2007-02-12 2008-08-21 Dolby Laboratories Licensing Corporation Improved ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
US8195454B2 (en) 2007-02-26 2012-06-05 Dolby Laboratories Licensing Corporation Speech enhancement in entertainment audio
KR101411900B1 (ko) * 2007-05-08 2014-06-26 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 장치
KR101410230B1 (ko) 2007-08-17 2014-06-20 삼성전자주식회사 종지 정현파 신호와 일반적인 연속 정현파 신호를 다른방식으로 처리하는 오디오 신호 인코딩 방법 및 장치와오디오 신호 디코딩 방법 및 장치
KR101380170B1 (ko) * 2007-08-31 2014-04-02 삼성전자주식회사 미디어 신호 인코딩/디코딩 방법 및 장치
KR101413967B1 (ko) 2008-01-29 2014-07-01 삼성전자주식회사 오디오 신호의 부호화 방법 및 복호화 방법, 및 그에 대한 기록 매체, 오디오 신호의 부호화 장치 및 복호화 장치
CN101770776B (zh) 2008-12-29 2011-06-08 华为技术有限公司 瞬态信号的编码方法和装置、解码方法和装置及处理系统
KR101137652B1 (ko) * 2009-10-14 2012-04-23 광운대학교 산학협력단 천이 구간에 기초하여 윈도우의 오버랩 영역을 조절하는 통합 음성/오디오 부호화/복호화 장치 및 방법
WO2011045927A1 (ja) * 2009-10-14 2011-04-21 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
US9009037B2 (en) 2009-10-14 2015-04-14 Panasonic Intellectual Property Corporation Of America Encoding device, decoding device, and methods therefor
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US8831937B2 (en) * 2010-11-12 2014-09-09 Audience, Inc. Post-noise suppression processing to improve voice quality
JP5845725B2 (ja) * 2011-08-26 2016-01-20 ヤマハ株式会社 信号処理装置
EP2772911B1 (en) 2011-10-24 2017-12-20 LG Electronics Inc. Method and device for quantizing voice signals in a band-selective manner
JP6201205B2 (ja) * 2012-11-30 2017-09-27 Kddi株式会社 音声合成装置、音声合成方法および音声合成プログラム
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
JP6035270B2 (ja) * 2014-03-24 2016-11-30 株式会社Ｎｔｔドコモ 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム
DE112015004185T5 (de) 2014-09-12 2017-06-01 Knowles Electronics, Llc Systeme und Verfahren zur Wiederherstellung von Sprachkomponenten
US9820042B1 (en) 2016-05-02 2017-11-14 Knowles Electronics, Llc Stereo separation and directional suppression with omni-directional microphones

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1020888A (ja) * 1996-07-02 1998-01-23 Matsushita Electric Ind Co Ltd 音声符号化・復号化装置
JP3707153B2 (ja) * 1996-09-24 2005-10-19 ソニー株式会社 ベクトル量子化方法、音声符号化方法及び装置
US6233550B1 (en) * 1997-08-29 2001-05-15 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
KR100304092B1 (ko) * 1998-03-11 2001-09-26 마츠시타 덴끼 산교 가부시키가이샤 오디오 신호 부호화 장치, 오디오 신호 복호화 장치 및 오디오 신호 부호화/복호화 장치
JP3344962B2 (ja) * 1998-03-11 2002-11-18 松下電器産業株式会社 オーディオ信号符号化装置、及びオーディオ信号復号化装置
US6266644B1 (en) * 1998-09-26 2001-07-24 Liquid Audio, Inc. Audio encoding apparatus and methods
US6691084B2 (en) * 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
WO2001069593A1 (en) * 2000-03-15 2001-09-20 Koninklijke Philips Electronics N.V. Laguerre fonction for audio coding
JP4622164B2 (ja) * 2001-06-15 2011-02-02 ソニー株式会社 音響信号符号化方法及び装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009066869A1 (en) * 2007-11-21 2009-05-28 Electronics And Telecommunications Research Institute Frequency band determining method for quantization noise shaping and transient noise shaping method using the same
KR100938282B1 (ko) * 2007-11-21 2010-01-22 한국전자통신연구원 양자화 잡음 처리를 위한 적용 주파수 대역 결정 방법과,그를 이용한 양자화 잡음 처리 방법
DE112008003153B4 (de) * 2007-11-21 2017-01-19 Electronics And Telecommunications Research Institute Frequenzband-Bestimmungsverfahren zum Formen von Quantisierungsrauschen

Also Published As

Publication number Publication date
WO2006051451A1 (en) 2006-05-18
US20090070118A1 (en) 2009-03-12
CN101167128A (zh) 2008-04-23
JP2008519991A (ja) 2008-06-12
EP1815462A1 (en) 2007-08-08

Similar Documents

Publication Publication Date Title
KR20070109982A (ko) 오디오 코딩 및 디코딩
RU2646314C1 (ru) Гармоническое преобразование, усовершенствованное перекрестным произведением
JP4708446B2 (ja) 符号化装置、復号装置およびそれらの方法
CN101971251B (zh) 像言语的信号和不像言语的信号的多模式编解码方法及装置
US7876966B2 (en) Switching between coding schemes
KR101397058B1 (ko) 신호 처리 방법 및 이의 장치
KR20120063543A (ko) 멀티-모드 오디오 신호 디코더, 멀티-모드 오디오 신호 인코더 및 선형-예측-코딩 기반의 노이즈 성형을 사용하는 방법 및 컴퓨터 프로그램
KR101407120B1 (ko) 오디오 신호를 처리하고 결합된 통합형 음성 및 오디오 코덱（ｕｓａｃ）을 위한 보다 높은 시간적 입도를 제공하기 위한 장치 및 방법
EP2849180A1 (en) Hybrid audio signal encoder, hybrid audio signal decoder, method for encoding audio signal, and method for decoding audio signal
CN105913851A (zh) 对音频/语音信号进行编码和解码的方法和设备
KR20070012194A (ko) 혼합 구조의 스케일러블 음성 부호화 방법 및 장치
EP4336500A2 (en) Methods, encoder and decoder for linear predictive encoding and decoding of sound signals upon transition between frames having different sampling rates
US8719011B2 (en) Encoding device and encoding method
US6611797B1 (en) Speech coding/decoding method and apparatus
CN1965352B (zh) 音频编码
US20110320193A1 (en) Speech encoding device, speech decoding device, speech encoding method, and speech decoding method
AU2541799A (en) Apparatus and method for hybrid excited linear prediction speech encoding
JP5236032B2 (ja) 音声符号化装置、音声復号装置およびそれらの方法
JP2796408B2 (ja) 音声情報圧縮装置
US20090319277A1 (en) Source Coding and/or Decoding
KR20080092823A (ko) 부호화/복호화 장치 및 방법
KR100255297B1 (ko) 음성 데이터 부호화/복호화장치 및 그 방법
JPH10105200A (ja) 音声符号化／復号化方法
Unver Advanced Low Bit-Rate Speech Coding Below 2.4 Kbps
JPH11249696A (ja) 音声符号化／復号化方法

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20070611

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
N231 Notification of change of applicant
PN2301 Change of applicant

Patent event date: 20081113

Comment text: Notification of Change of Applicant

Patent event code: PN23011R01D

A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20101102

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20111125

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20120206

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20111125

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I