JP5106383B2 - オーディオ符号化および復号化 - Google Patents

オーディオ符号化および復号化 Download PDF

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Publication number
JP5106383B2
JP5106383B2 JP2008503634A JP2008503634A JP5106383B2 JP 5106383 B2 JP5106383 B2 JP 5106383B2 JP 2008503634 A JP2008503634 A JP 2008503634A JP 2008503634 A JP2008503634 A JP 2008503634A JP 5106383 B2 JP5106383 B2 JP 5106383B2
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data
signal
mix
channel
reinforcement
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Expired - Lifetime
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JP2008503634A
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Japanese (ja)
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JP2008535015A (ja
JP2008535015A5 (enExample
Inventor
ヘラルド エイチ ホソ
フランソワ ピー マイブルグ
アルノルダス ダブリュ ジェイ オーメン
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Koninklijke Philips NV
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Koninklijke Philips NV
Koninklijke Philips Electronics NV
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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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Stereo-Broadcasting Methods (AREA)
JP2008503634A 2005-03-30 2006-03-16 オーディオ符号化および復号化 Expired - Lifetime JP5106383B2 (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
EP05102515.3 2005-03-30
EP05102515 2005-03-30
EP05103085 2005-04-18
EP05103085.6 2005-04-18
EP06100245 2006-01-11
EP06100245.7 2006-01-11
PCT/IB2006/050826 WO2006103586A1 (en) 2005-03-30 2006-03-16 Audio encoding and decoding

Publications (3)

Publication Number Publication Date
JP2008535015A JP2008535015A (ja) 2008-08-28
JP2008535015A5 JP2008535015A5 (enExample) 2009-05-07
JP5106383B2 true JP5106383B2 (ja) 2012-12-26

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ID=36607294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008503634A Expired - Lifetime JP5106383B2 (ja) 2005-03-30 2006-03-16 オーディオ符号化および復号化

Country Status (11)

Country Link
US (1) US7840411B2 (enExample)
EP (1) EP1866913B1 (enExample)
JP (1) JP5106383B2 (enExample)
KR (2) KR20130079627A (enExample)
CN (2) CN101151658B (enExample)
AT (1) ATE406651T1 (enExample)
BR (1) BRPI0608756B1 (enExample)
DE (1) DE602006002501D1 (enExample)
ES (1) ES2313646T3 (enExample)
MX (1) MX2007011995A (enExample)
WO (1) WO2006103586A1 (enExample)

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US8576096B2 (en) * 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8209190B2 (en) * 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US8639519B2 (en) * 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
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US8219408B2 (en) * 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8200496B2 (en) * 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
US8140342B2 (en) * 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
JP5214058B2 (ja) 2009-03-17 2013-06-19 ドルビー インターナショナル アーベー 適応的に選択可能な左／右又はミッド／サイド・ステレオ符号化及びパラメトリック・ステレオ符号化の組み合わせに基づいた高度ステレオ符号化
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
RU2551792C2 (ru) * 2010-06-02 2015-05-27 Конинклейке Филипс Электроникс Н.В. Система и способ для обработки звука
MY166267A (en) 2011-03-28 2018-06-22 Dolby Laboratories Licensing Corp Reduced complexity transform for a low-frequency-effects channel
CN102802112B (zh) * 2011-05-24 2014-08-13 鸿富锦精密工业（深圳）有限公司 具有音频文件格式转换功能的电子装置
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
TWI546799B (zh) 2013-04-05 2016-08-21 杜比國際公司 音頻編碼器及解碼器
EP2830333A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals
EP2830048A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for realizing a SAOC downmix of 3D audio content
EP2830047A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for low delay object metadata coding
EP2830051A3 (en) * 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP2830045A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Concept for audio encoding and decoding for audio channels and audio objects
PT3022949T (pt) 2013-07-22 2018-01-23 Fraunhofer Ges Forschung Descodificador de áudio multicanal, codificador de áudio de multicanal, métodos, programa de computador e representação de áudio codificada usando uma descorrelação dos sinais de áudio renderizados
CN103413553B (zh) 2013-08-20 2016-03-09 腾讯科技（深圳）有限公司 音频编码方法、音频解码方法、编码端、解码端和系统
US9067135B2 (en) * 2013-10-07 2015-06-30 Voyetra Turtle Beach, Inc. Method and system for dynamic control of game audio based on audio analysis
EP2879408A1 (en) 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
CN105206278A (zh) * 2014-06-23 2015-12-30 张军 一种基于流水线的三维音频编码加速方法
US10547960B2 (en) 2014-09-01 2020-01-28 Sony Semiconductor Solutions Corporation Audio processing apparatus
BR112021026678A2 (pt) * 2019-07-08 2022-02-15 Voiceage Corp Método e sistema para codificação de metadados em fluxos de áudio e para alocação eficiente de taxa de bit para codificação de fluxos de áudio
CN116547748A (zh) * 2020-12-02 2023-08-04 杜比实验室特许公司 多通道编解码器中的空间噪声填充

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Also Published As

Publication number Publication date
CN101151660A (zh) 2008-03-26
EP1866913A1 (en) 2007-12-19
EP1866913B1 (en) 2008-08-27
MX2007011995A (es) 2007-12-07
US7840411B2 (en) 2010-11-23
JP2008535015A (ja) 2008-08-28
WO2006103586A1 (en) 2006-10-05
ES2313646T3 (es) 2009-03-01
BRPI0608756A2 (pt) 2011-03-15
US20100153118A1 (en) 2010-06-17
KR20130079627A (ko) 2013-07-10
ATE406651T1 (de) 2008-09-15
KR20070116174A (ko) 2007-12-06
DE602006002501D1 (de) 2008-10-09
BRPI0608756B1 (pt) 2019-06-04
KR101346120B1 (ko) 2014-01-02
CN101151658B (zh) 2011-07-06
CN101151658A (zh) 2008-03-26
CN101151660B (zh) 2011-10-19

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