JP4927264B2 - オーディオ信号を符号化する方法 - Google Patents

オーディオ信号を符号化する方法 Download PDF

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Publication number
JP4927264B2
JP4927264B2 JP2001150411A JP2001150411A JP4927264B2 JP 4927264 B2 JP4927264 B2 JP 4927264B2 JP 2001150411 A JP2001150411 A JP 2001150411A JP 2001150411 A JP2001150411 A JP 2001150411A JP 4927264 B2 JP4927264 B2 JP 4927264B2
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frequency band
signal
encoded
high frequency
envelope
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JP2002032100A5 (https=
JP2002032100A (ja
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ギザ オデッド
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アルカテル−ルーセント ユーエスエー インコーポレーテッド
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
    • G10H1/0058—Transmission between separate instruments or between individual components of a musical system
    • 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
    • G10L19/0208—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
    • G10L19/0212—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 orthogonal transformation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2001150411A 2000-05-26 2001-05-21 オーディオ信号を符号化する方法 Expired - Fee Related JP4927264B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58021500A 2000-05-26 2000-05-26
US09/580215 2000-05-26

Publications (3)

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JP2002032100A JP2002032100A (ja) 2002-01-31
JP2002032100A5 JP2002032100A5 (https=) 2008-07-03
JP4927264B2 true JP4927264B2 (ja) 2012-05-09

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JP2001150411A Expired - Fee Related JP4927264B2 (ja) 2000-05-26 2001-05-21 オーディオ信号を符号化する方法

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EP (1) EP1158494B1 (https=)
JP (1) JP4927264B2 (https=)
DE (1) DE60000185T2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014185569A1 (ko) * 2013-05-15 2014-11-20 삼성전자 주식회사 오디오 신호의 부호화, 복호화 방법 및 장치

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6657777B1 (en) * 2001-12-05 2003-12-02 Cisco Technology, Inc Interleaved lumped raman amplifier structure based on highly nonlinear fibers for densely spaced WDM channels
JP2005202262A (ja) * 2004-01-19 2005-07-28 Matsushita Electric Ind Co Ltd 音声信号符号化方法、音声信号復号化方法、送信機、受信機、及びワイヤレスマイクシステム
EP1829424B1 (en) * 2005-04-15 2009-01-21 Dolby Sweden AB Temporal envelope shaping of decorrelated signals
US8027242B2 (en) * 2005-10-21 2011-09-27 Qualcomm Incorporated Signal coding and decoding based on spectral dynamics
US8392176B2 (en) * 2006-04-10 2013-03-05 Qualcomm Incorporated Processing of excitation in audio coding and decoding
WO2007148925A1 (en) * 2006-06-21 2007-12-27 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
WO2008114075A1 (en) * 2007-03-16 2008-09-25 Nokia Corporation An encoder
US8428957B2 (en) 2007-08-24 2013-04-23 Qualcomm Incorporated Spectral noise shaping in audio coding based on spectral dynamics in frequency sub-bands
WO2009047858A1 (ja) * 2007-10-12 2009-04-16 Fujitsu Limited エコー抑圧システム、エコー抑圧方法、エコー抑圧プログラム、エコー抑圧装置、音出力装置、オーディオシステム、ナビゲーションシステム及び移動体
JP5004094B2 (ja) * 2008-03-04 2012-08-22 国立大学法人北陸先端科学技術大学院大学 電子透かし埋込装置及び電子透かし検出装置、並びに電子透かし埋込方法及び電子透かし検出方法
CN101777960B (zh) * 2008-11-17 2013-08-14 华为终端有限公司 音频编码方法、音频解码方法、相关装置及通信系统
CN101770775B (zh) 2008-12-31 2011-06-22 华为技术有限公司 信号处理方法及装置
ES3023486T3 (en) 2009-01-16 2025-06-02 Dolby Int Ab Cross product enhanced harmonic transposition
CN101989425B (zh) * 2009-07-30 2012-05-23 华为终端有限公司 多描述音频编解码的方法、装置及系统
KR102450178B1 (ko) 2013-04-05 2022-10-06 돌비 인터네셔널 에이비 인터리브된 파형 코딩을 위한 오디오 인코더 및 디코더

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3174560D1 (en) * 1981-07-28 1986-06-12 Ibm Transmission method for voice and digital data and arrangement for carrying out said method
JP2581696B2 (ja) * 1987-07-23 1997-02-12 沖電気工業株式会社 音声分析合成器
JPH0298232A (ja) * 1988-10-05 1990-04-10 Fujitsu Ltd 時間切替型帯域分割音声符号化装置
AU9404098A (en) * 1997-09-23 1999-04-12 Voxware, Inc. Scalable and embedded codec for speech and audio signals

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014185569A1 (ko) * 2013-05-15 2014-11-20 삼성전자 주식회사 오디오 신호의 부호화, 복호화 방법 및 장치
US9881624B2 (en) 2013-05-15 2018-01-30 Samsung Electronics Co., Ltd. Method and device for encoding and decoding audio signal

Also Published As

Publication number Publication date
EP1158494A1 (en) 2001-11-28
DE60000185T2 (de) 2002-11-28
JP2002032100A (ja) 2002-01-31
EP1158494B1 (en) 2002-05-29
DE60000185D1 (de) 2002-07-04

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