KR20070025905A - 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법 - Google Patents

멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법 Download PDF

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Publication number
KR20070025905A
KR20070025905A KR1020060004058A KR20060004058A KR20070025905A KR 20070025905 A KR20070025905 A KR 20070025905A KR 1020060004058 A KR1020060004058 A KR 1020060004058A KR 20060004058 A KR20060004058 A KR 20060004058A KR 20070025905 A KR20070025905 A KR 20070025905A
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South Korea
Prior art keywords
sampling frequency
bitstream
audio signal
spatial information
index
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KR1020060004058A
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English (en)
Korean (ko)
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방희석
오현오
김동수
임재현
정양원
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엘지전자 주식회사
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Publication of KR20070025905A publication Critical patent/KR20070025905A/ko

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    • 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
    • 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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes

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  • 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)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
KR1020060004058A 2005-08-30 2006-01-13 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법 KR20070025905A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71211905P 2005-08-30 2005-08-30
US60/712,119 2005-08-30

Publications (1)

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KR20070025905A true KR20070025905A (ko) 2007-03-08

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KR1020060004058A KR20070025905A (ko) 2005-08-30 2006-01-13 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법

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KR (1) KR20070025905A (zh)
CN (10) CN101253552B (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070025905A (ko) * 2005-08-30 2007-03-08 엘지전자 주식회사 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법
WO2007027051A1 (en) 2005-08-30 2007-03-08 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
CN101930738B (zh) * 2009-06-18 2012-05-23 晨星软件研发(深圳)有限公司 多声道音频信号译码方法与装置
CN102025393B (zh) * 2009-09-09 2013-08-14 华为技术有限公司 数据传输方法及装置
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8605564B2 (en) * 2011-04-28 2013-12-10 Mediatek Inc. Audio mixing method and audio mixing apparatus capable of processing and/or mixing audio inputs individually
CN102419978B (zh) * 2011-08-23 2013-03-27 展讯通信（上海）有限公司 音频解码器、音频解码的频谱重构方法及装置
TWM487509U (zh) 2013-06-19 2014-10-01 杜比實驗室特許公司 音訊處理設備及電子裝置
EP2830334A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
CN105612766B (zh) * 2013-07-22 2018-07-27 弗劳恩霍夫应用研究促进协会 使用渲染音频信号的解相关的多声道音频解码器、多声道音频编码器、方法、以及计算机可读介质
WO2015038475A1 (en) 2013-09-12 2015-03-19 Dolby Laboratories Licensing Corporation Dynamic range control for a wide variety of playback environments
CN105898669B (zh) * 2016-03-18 2017-10-20 南京青衿信息科技有限公司 一种声音对象的编码方法
CN114333862B (zh) * 2021-11-10 2024-05-03 腾讯科技（深圳）有限公司 音频编码方法、解码方法、装置、设备、存储介质及产品

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AU653582B2 (en) * 1991-01-08 1994-10-06 Dolby Laboratories Licensing Corporation Encoder/decoder for multidimensional sound fields
US5481643A (en) * 1993-03-18 1996-01-02 U.S. Philips Corporation Transmitter, receiver and record carrier for transmitting/receiving at least a first and a second signal component
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US6339760B1 (en) * 1998-04-28 2002-01-15 Hitachi, Ltd. Method and system for synchronization of decoded audio and video by adding dummy data to compressed audio data
US6757659B1 (en) * 1998-11-16 2004-06-29 Victor Company Of Japan, Ltd. Audio signal processing apparatus
US6631352B1 (en) * 1999-01-08 2003-10-07 Matushita Electric Industrial Co. Ltd. Decoding circuit and reproduction apparatus which mutes audio after header parameter changes
BR0204834A (pt) * 2001-04-18 2003-06-10 Koninkl Philips Electronics Nv Métodos de codificação de um sinal de áudio e de decodificação de uma corrente de áudio, codificador de áudio, aparelho de reprodução de áudio, sistema de áudio, corrente de áudio, e, meio de armazenamento
EP1451809A1 (en) * 2001-11-23 2004-09-01 Koninklijke Philips Electronics N.V. Perceptual noise substitution
WO2003085644A1 (en) * 2002-04-11 2003-10-16 Matsushita Electric Industrial Co., Ltd. Encoding device and decoding device
US8340302B2 (en) * 2002-04-22 2012-12-25 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
KR20070025905A (ko) * 2005-08-30 2007-03-08 엘지전자 주식회사 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법

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Publication number Publication date
CN101253552B (zh) 2013-04-03
CN101253810B (zh) 2011-12-14
CN101253809B (zh) 2011-12-28
CN101253809A (zh) 2008-08-27
CN101253810A (zh) 2008-08-27
CN101253551A (zh) 2008-08-27
CN101248484A (zh) 2008-08-20
CN101253808B (zh) 2012-05-23
CN101253551B (zh) 2012-11-28
CN101253806A (zh) 2008-08-27
CN101253807A (zh) 2008-08-27
CN101253806B (zh) 2015-05-13
CN101253554B (zh) 2011-12-07
CN101253553B (zh) 2012-09-19
CN101248484B (zh) 2012-06-13
CN101253807B (zh) 2014-04-02
CN101253552A (zh) 2008-08-27
CN101253554A (zh) 2008-08-27
CN101253808A (zh) 2008-08-27
CN101253553A (zh) 2008-08-27

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