PT3353779T - Método e sistema para codificar um sinal de som estéreo que utiliza parâmetros de codificação de um canal primário para codificar um canal secundário - Google Patents

Método e sistema para codificar um sinal de som estéreo que utiliza parâmetros de codificação de um canal primário para codificar um canal secundário

Info

Publication number
PT3353779T
PT3353779T PT168476851T PT16847685T PT3353779T PT 3353779 T PT3353779 T PT 3353779T PT 168476851 T PT168476851 T PT 168476851T PT 16847685 T PT16847685 T PT 16847685T PT 3353779 T PT3353779 T PT 3353779T
Authority
PT
Portugal
Prior art keywords
encode
encoding
sound signal
channel
coding parameters
Prior art date
Application number
PT168476851T
Other languages
English (en)
Original Assignee
Voiceage Corp
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 Voiceage Corp filed Critical Voiceage Corp
Publication of PT3353779T publication Critical patent/PT3353779T/pt

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/26—Pre-filtering or post-filtering
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/002—Dynamic bit allocation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
PT168476851T 2015-09-25 2016-09-22 Método e sistema para codificar um sinal de som estéreo que utiliza parâmetros de codificação de um canal primário para codificar um canal secundário PT3353779T (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201562232589P 2015-09-25 2015-09-25
US201662362360P 2016-07-14 2016-07-14

Publications (1)

Publication Number Publication Date
PT3353779T true PT3353779T (pt) 2020-07-31

Family

ID=58385516

Family Applications (1)

Application Number Title Priority Date Filing Date
PT168476851T PT3353779T (pt) 2015-09-25 2016-09-22 Método e sistema para codificar um sinal de som estéreo que utiliza parâmetros de codificação de um canal primário para codificar um canal secundário

Country Status (17)

Country Link
US (8) US10522157B2 (pt)
EP (8) EP3699909A1 (pt)
JP (6) JP6887995B2 (pt)
KR (3) KR20180056662A (pt)
CN (4) CN108352164B (pt)
AU (1) AU2016325879B2 (pt)
CA (5) CA2997334A1 (pt)
DK (1) DK3353779T3 (pt)
ES (4) ES2955962T3 (pt)
HK (4) HK1253569A1 (pt)
MX (4) MX2021005090A (pt)
MY (2) MY186661A (pt)
PL (1) PL3353779T3 (pt)
PT (1) PT3353779T (pt)
RU (6) RU2729603C2 (pt)
WO (5) WO2017049398A1 (pt)
ZA (2) ZA201801675B (pt)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY186661A (en) 2015-09-25 2021-08-04 Voiceage Corp Method and system for time domain down mixing a stereo sound signal into primary and secondary channels using detecting an out-of-phase condition of the left and right channels
CN107742521B (zh) * 2016-08-10 2021-08-13 华为技术有限公司 多声道信号的编码方法和编码器
EP3511934B1 (en) * 2016-09-28 2021-04-21 Huawei Technologies Co., Ltd. Method, apparatus and system for processing multi-channel audio signal
CA3045847C (en) * 2016-11-08 2021-06-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Downmixer and method for downmixing at least two channels and multichannel encoder and multichannel decoder
CN108269577B (zh) * 2016-12-30 2019-10-22 华为技术有限公司 立体声编码方法及立体声编码器
ES2911515T3 (es) * 2017-04-10 2022-05-19 Nokia Technologies Oy Codificación de audio
EP3396670B1 (en) * 2017-04-28 2020-11-25 Nxp B.V. Speech signal processing
US10224045B2 (en) 2017-05-11 2019-03-05 Qualcomm Incorporated Stereo parameters for stereo decoding
CN109300480B (zh) 2017-07-25 2020-10-16 华为技术有限公司 立体声信号的编解码方法和编解码装置
CN109389987B (zh) * 2017-08-10 2022-05-10 华为技术有限公司 音频编解码模式确定方法和相关产品
CN113782039A (zh) 2017-08-10 2021-12-10 华为技术有限公司 时域立体声编解码方法和相关产品
CN114005455A (zh) 2017-08-10 2022-02-01 华为技术有限公司 时域立体声编解码方法和相关产品
CN117133297A (zh) * 2017-08-10 2023-11-28 华为技术有限公司 时域立体声参数的编码方法和相关产品
CN109427338B (zh) * 2017-08-23 2021-03-30 华为技术有限公司 立体声信号的编码方法和编码装置
CN109427337B (zh) * 2017-08-23 2021-03-30 华为技术有限公司 立体声信号编码时重建信号的方法和装置
US10891960B2 (en) * 2017-09-11 2021-01-12 Qualcomm Incorproated Temporal offset estimation
BR112020004909A2 (pt) * 2017-09-20 2020-09-15 Voiceage Corporation método e dispositivo para distribuir, de forma eficiente, um bit-budget em um codec celp
CN109859766B (zh) * 2017-11-30 2021-08-20 华为技术有限公司 音频编解码方法和相关产品
CN114708874A (zh) 2018-05-31 2022-07-05 华为技术有限公司 立体声信号的编码方法和装置
CN114420139A (zh) * 2018-05-31 2022-04-29 华为技术有限公司 一种下混信号的计算方法及装置
CN110556118B (zh) 2018-05-31 2022-05-10 华为技术有限公司 立体声信号的编码方法和装置
CN110728986B (zh) * 2018-06-29 2022-10-18 华为技术有限公司 立体声信号的编码方法、解码方法、编码装置和解码装置
CN110660400B (zh) * 2018-06-29 2022-07-12 华为技术有限公司 立体声信号的编码、解码方法、编码装置和解码装置
KR102470429B1 (ko) * 2019-03-14 2022-11-23 붐클라우드 360 인코포레이티드 우선순위에 의한 공간 인식 다중 대역 압축 시스템
EP3719799A1 (en) * 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation
CN111988726A (zh) * 2019-05-06 2020-11-24 深圳市三诺数字科技有限公司 一种立体声合成单声道的方法和系统
CN112151045A (zh) * 2019-06-29 2020-12-29 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置
CN112233682A (zh) * 2019-06-29 2021-01-15 华为技术有限公司 一种立体声编码方法、立体声解码方法和装置
US20220284910A1 (en) * 2019-08-01 2022-09-08 Dolby Laboratories Licensing Corporation Encoding and decoding ivas bitstreams
CN110534120B (zh) * 2019-08-31 2021-10-01 深圳市友恺通信技术有限公司 一种移动网络环境下的环绕声误码修复方法
CN110809225B (zh) * 2019-09-30 2021-11-23 歌尔股份有限公司 一种应用于立体声系统的自动校准喇叭的方法
US10856082B1 (en) * 2019-10-09 2020-12-01 Echowell Electronic Co., Ltd. Audio system with sound-field-type nature sound effect
WO2021181746A1 (ja) * 2020-03-09 2021-09-16 日本電信電話株式会社 音信号ダウンミックス方法、音信号符号化方法、音信号ダウンミックス装置、音信号符号化装置、プログラム及び記録媒体
US20230086460A1 (en) * 2020-03-09 2023-03-23 Nippon Telegraph And Telephone Corporation Sound signal encoding method, sound signal decoding method, sound signal encoding apparatus, sound signal decoding apparatus, program, and recording medium
EP4120249A4 (en) 2020-03-09 2023-11-15 Nippon Telegraph And Telephone Corporation SOUND SIGNAL CODING METHOD, SOUND SIGNAL DECODING METHOD, SOUND SIGNAL CODING DEVICE, SOUND SIGNAL DECODING DEVICE, PROGRAM AND RECORDING MEDIUM
EP4120250A4 (en) 2020-03-09 2024-03-27 Nippon Telegraph & Telephone SOUND SIGNAL REDUCING MIXING METHOD, SOUND SIGNAL CODING METHOD, SOUND SIGNAL REDUCING MIXING DEVICE, SOUND SIGNAL CODING DEVICE, PROGRAM AND RECORDING MEDIUM
CN113571073A (zh) * 2020-04-28 2021-10-29 华为技术有限公司 一种线性预测编码参数的编码方法和编码装置
CN111599381A (zh) * 2020-05-29 2020-08-28 广州繁星互娱信息科技有限公司 音频数据处理方法、装置、设备及计算机存储介质
EP4243015A4 (en) * 2021-01-27 2024-04-17 Samsung Electronics Co Ltd AUDIO PROCESSING APPARATUS AND METHOD

Family Cites Families (66)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01231523A (ja) * 1988-03-11 1989-09-14 Fujitsu Ltd ステレオ信号符号化装置
JPH02124597A (ja) * 1988-11-02 1990-05-11 Yamaha Corp 複数チャンネルの信号圧縮方法
US6330533B2 (en) * 1998-08-24 2001-12-11 Conexant Systems, Inc. Speech encoder adaptively applying pitch preprocessing with warping of target signal
SE519552C2 (sv) * 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
EP1054575A3 (en) * 1999-05-17 2002-09-18 Bose Corporation Directional decoding
US6397175B1 (en) * 1999-07-19 2002-05-28 Qualcomm Incorporated Method and apparatus for subsampling phase spectrum information
SE519981C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE519976C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
RU2316154C2 (ru) * 2002-04-10 2008-01-27 Конинклейке Филипс Электроникс Н.В. Кодирование стереофонических сигналов
JP2004325633A (ja) * 2003-04-23 2004-11-18 Matsushita Electric Ind Co Ltd 信号符号化方法、信号符号化プログラム及びその記録媒体
SE527670C2 (sv) * 2003-12-19 2006-05-09 Ericsson Telefon Ab L M Naturtrogenhetsoptimerad kodning med variabel ramlängd
JP2005202248A (ja) 2004-01-16 2005-07-28 Fujitsu Ltd オーディオ符号化装置およびオーディオ符号化装置のフレーム領域割り当て回路
DE102004009954B4 (de) * 2004-03-01 2005-12-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
US7283634B2 (en) * 2004-08-31 2007-10-16 Dts, Inc. Method of mixing audio channels using correlated outputs
US7630902B2 (en) * 2004-09-17 2009-12-08 Digital Rise Technology Co., Ltd. Apparatus and methods for digital audio coding using codebook application ranges
WO2006035705A1 (ja) * 2004-09-28 2006-04-06 Matsushita Electric Industrial Co., Ltd. スケーラブル符号化装置およびスケーラブル符号化方法
EP1814104A4 (en) * 2004-11-30 2008-12-31 Panasonic Corp STEREO ENCODING APPARATUS, STEREO DECODING APPARATUS, AND METHODS THEREOF
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
US7573912B2 (en) 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
WO2006091139A1 (en) 2005-02-23 2006-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
US9626973B2 (en) 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
US7751572B2 (en) 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
CN101180675A (zh) * 2005-05-25 2008-05-14 皇家飞利浦电子股份有限公司 多通道信号的预测编码
US8227369B2 (en) 2005-05-25 2012-07-24 Celanese International Corp. Layered composition and processes for preparing and using the composition
EP1920437A4 (en) * 2005-07-29 2010-01-06 Lg Electronics Inc METHOD FOR SIGNALING CUTTING INFORMATION
CN101253557B (zh) * 2005-08-31 2012-06-20 松下电器产业株式会社 立体声编码装置及立体声编码方法
US7974713B2 (en) * 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
KR100866885B1 (ko) 2005-10-20 2008-11-04 엘지전자 주식회사 멀티채널 오디오 신호의 부호화 및 복호화 방법과 그 장치
KR100888474B1 (ko) 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
JP2007183528A (ja) 2005-12-06 2007-07-19 Fujitsu Ltd 符号化装置、符号化方法、および符号化プログラム
EP1989920B1 (en) * 2006-02-21 2010-01-20 Koninklijke Philips Electronics N.V. Audio encoding and decoding
WO2007111568A2 (en) 2006-03-28 2007-10-04 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for a decoder for multi-channel surround sound
DE602007013415D1 (de) * 2006-10-16 2011-05-05 Dolby Sweden Ab Erweiterte codierung und parameterrepräsentation einer mehrkanaligen heruntergemischten objektcodierung
US20100121633A1 (en) * 2007-04-20 2010-05-13 Panasonic Corporation Stereo audio encoding device and stereo audio encoding method
US8046214B2 (en) * 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
GB2453117B (en) * 2007-09-25 2012-05-23 Motorola Mobility Inc Apparatus and method for encoding a multi channel audio signal
KR101290394B1 (ko) * 2007-10-17 2013-07-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다운믹스를 이용한 오디오 코딩
KR101505831B1 (ko) * 2007-10-30 2015-03-26 삼성전자주식회사 멀티 채널 신호의 부호화/복호화 방법 및 장치
US8103005B2 (en) * 2008-02-04 2012-01-24 Creative Technology Ltd Primary-ambient decomposition of stereo audio signals using a complex similarity index
CN101981616A (zh) 2008-04-04 2011-02-23 松下电器产业株式会社 立体声信号变换装置、立体声信号逆变换装置及其方法
CA2739736C (en) * 2008-10-08 2015-12-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-resolution switched audio encoding/decoding scheme
JP5269914B2 (ja) * 2009-01-22 2013-08-21 パナソニック株式会社 ステレオ音響信号符号化装置、ステレオ音響信号復号装置およびそれらの方法
EP2395504B1 (en) * 2009-02-13 2013-09-18 Huawei Technologies Co., Ltd. Stereo encoding method and apparatus
WO2010097748A1 (en) 2009-02-27 2010-09-02 Koninklijke Philips Electronics N.V. Parametric stereo encoding and decoding
CN101826326B (zh) * 2009-03-04 2012-04-04 华为技术有限公司 一种立体声编码方法、装置和编码器
KR101367604B1 (ko) * 2009-03-17 2014-02-26 돌비 인터네셔널 에이비 적응형으로 선택가능한 좌／우 또는 미드／사이드 스테레오 코딩과 파라메트릭 스테레오 코딩의 조합에 기초한 진보된 스테레오 코딩
US8666752B2 (en) 2009-03-18 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel signal
MY166169A (en) * 2009-10-20 2018-06-07 Fraunhofer Ges Forschung Audio signal encoder,audio signal decoder,method for encoding or decoding an audio signal using an aliasing-cancellation
KR101710113B1 (ko) * 2009-10-23 2017-02-27 삼성전자주식회사 위상 정보와 잔여 신호를 이용한 부호화／복호화 장치 및 방법
EP2323130A1 (en) * 2009-11-12 2011-05-18 Koninklijke Philips Electronics N.V. Parametric encoding and decoding
DK2556504T3 (en) * 2010-04-09 2019-02-25 Dolby Int Ab MDCT-BASED COMPLEX PREVIEW Stereo Encoding
US8463414B2 (en) * 2010-08-09 2013-06-11 Motorola Mobility Llc Method and apparatus for estimating a parameter for low bit rate stereo transmission
FR2966634A1 (fr) * 2010-10-22 2012-04-27 France Telecom Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase
KR101998609B1 (ko) * 2010-10-25 2019-07-10 보이세지 코포레이션 혼합형 시간-영역/주파수-영역 코딩 장치, 인코더, 디코더, 혼합형 시간-영역/주파수-영역 코딩 방법, 인코딩 방법 및 디코딩 방법
WO2012058805A1 (en) * 2010-11-03 2012-05-10 Huawei Technologies Co., Ltd. Parametric encoder for encoding a multi-channel audio signal
ES2571742T3 (es) * 2012-04-05 2016-05-26 Huawei Tech Co Ltd Método de determinación de un parámetro de codificación para una señal de audio multicanal y un codificador de audio multicanal
ES2560402T3 (es) 2012-04-05 2016-02-18 Huawei Technologies Co., Ltd Método para la codificación y la decodificación de audio espacial paramétrica, codificador de audio espacial paramétrico y decodificador de audio espacial paramétrico
US9479886B2 (en) * 2012-07-20 2016-10-25 Qualcomm Incorporated Scalable downmix design with feedback for object-based surround codec
BR112015018522B1 (pt) * 2013-02-14 2021-12-14 Dolby Laboratories Licensing Corporation Método, aparelho e meio não transitório que tem um método armazenado no mesmo para controlar a coerência entre canais de sinais de áudio com upmix.
TWI774136B (zh) * 2013-09-12 2022-08-11 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
TWI557724B (zh) * 2013-09-27 2016-11-11 杜比實驗室特許公司 用於將 n 聲道音頻節目編碼之方法、用於恢復 n 聲道音頻節目的 m 個聲道之方法、被配置成將 n 聲道音頻節目編碼之音頻編碼器及被配置成執行 n 聲道音頻節目的恢復之解碼器
EP3934283B1 (en) * 2013-12-23 2023-08-23 Wilus Institute of Standards and Technology Inc. Audio signal processing method and parameterization device for same
WO2015164572A1 (en) * 2014-04-25 2015-10-29 Dolby Laboratories Licensing Corporation Audio segmentation based on spatial metadata
MY186661A (en) 2015-09-25 2021-08-04 Voiceage Corp Method and system for time domain down mixing a stereo sound signal into primary and secondary channels using detecting an out-of-phase condition of the left and right channels

Also Published As

Publication number Publication date
JP7244609B2 (ja) 2023-03-22
WO2017049399A1 (en) 2017-03-30
PL3353779T3 (pl) 2020-11-16
EP3353780A1 (en) 2018-08-01
HK1253569A1 (zh) 2019-06-21
RU2018114899A (ru) 2019-10-25
RU2020124137A3 (pt) 2021-11-12
ES2809677T3 (es) 2021-03-05
EP3699909A1 (en) 2020-08-26
RU2018114901A3 (pt) 2020-03-10
RU2020124137A (ru) 2020-09-04
US11056121B2 (en) 2021-07-06
EP3353777A1 (en) 2018-08-01
EP3353777B1 (en) 2023-06-21
EP4235659A3 (en) 2023-09-06
CA2997296C (en) 2023-12-05
ES2949991T3 (es) 2023-10-04
EP3353778B1 (en) 2023-07-05
JP2021131569A (ja) 2021-09-09
US20180286415A1 (en) 2018-10-04
RU2729603C2 (ru) 2020-08-11
EP3353784A1 (en) 2018-08-01
CN108352164A (zh) 2018-07-31
EP3353780B1 (en) 2021-12-01
WO2017049400A1 (en) 2017-03-30
US20190228784A1 (en) 2019-07-25
JP6804528B2 (ja) 2020-12-23
EP3353780A4 (en) 2019-05-22
US10319385B2 (en) 2019-06-11
WO2017049397A1 (en) 2017-03-30
ES2955962T3 (es) 2023-12-11
US20180277126A1 (en) 2018-09-27
RU2020125468A (ru) 2020-09-24
RU2764287C1 (ru) 2022-01-17
JP2018533058A (ja) 2018-11-08
EP3353777A4 (en) 2019-05-15
RU2730548C2 (ru) 2020-08-24
CN108352162A (zh) 2018-07-31
JP2018533057A (ja) 2018-11-08
EP4235659A2 (en) 2023-08-30
CN108352162B (zh) 2023-05-09
CN108352164B (zh) 2022-12-06
EP3353778A1 (en) 2018-08-01
RU2763374C2 (ru) 2021-12-28
US20190237087A1 (en) 2019-08-01
CA2997334A1 (en) 2017-03-30
CN108352163A (zh) 2018-07-31
HK1257684A1 (zh) 2019-10-25
EP3353779B1 (en) 2020-06-24
RU2020125468A3 (pt) 2021-11-26
CA2997296A1 (en) 2017-03-30
HK1253570A1 (zh) 2019-06-21
EP3353777B8 (en) 2023-08-23
MY186661A (en) 2021-08-04
RU2018114901A (ru) 2019-10-28
ES2904275T3 (es) 2022-04-04
US10522157B2 (en) 2019-12-31
US20190228785A1 (en) 2019-07-25
JP6976934B2 (ja) 2021-12-08
US10325606B2 (en) 2019-06-18
US20180261231A1 (en) 2018-09-13
JP2021047431A (ja) 2021-03-25
AU2016325879B2 (en) 2021-07-08
RU2018114899A3 (pt) 2020-02-25
KR102636424B1 (ko) 2024-02-15
EP3353779A1 (en) 2018-08-01
US10984806B2 (en) 2021-04-20
WO2017049398A1 (en) 2017-03-30
EP3353784A4 (en) 2019-05-22
JP7124170B2 (ja) 2022-08-23
MX2018003242A (es) 2018-09-26
AU2016325879A1 (en) 2018-04-05
US10839813B2 (en) 2020-11-17
MY188370A (en) 2021-12-06
CA2997331C (en) 2023-12-05
US20180268826A1 (en) 2018-09-20
EP3353779A4 (en) 2019-08-07
MX2018003703A (es) 2018-04-30
US10573327B2 (en) 2020-02-25
RU2018114898A3 (pt) 2020-02-11
KR20180056662A (ko) 2018-05-29
MX2021006677A (es) 2023-03-01
KR20180056661A (ko) 2018-05-29
MX2021005090A (es) 2023-01-04
JP6887995B2 (ja) 2021-06-16
CN116343802A (zh) 2023-06-27
CN108352163B (zh) 2023-02-21
EP3353778A4 (en) 2019-05-08
KR20180059781A (ko) 2018-06-05
HK1259477A1 (zh) 2019-11-29
CA2997331A1 (en) 2017-03-30
JP7140817B2 (ja) 2022-09-21
US10339940B2 (en) 2019-07-02
CA2997332A1 (en) 2017-03-30
WO2017049396A1 (en) 2017-03-30
DK3353779T3 (da) 2020-08-10
ZA201801675B (en) 2020-09-30
KR102636396B1 (ko) 2024-02-15
RU2728535C2 (ru) 2020-07-30
RU2018114898A (ru) 2019-10-25
US20180233154A1 (en) 2018-08-16
JP2018533056A (ja) 2018-11-08
ZA202003500B (en) 2022-06-29
CA2997513A1 (en) 2017-03-30
EP3961623A1 (en) 2022-03-02
RU2765565C2 (ru) 2022-02-01
JP2022028765A (ja) 2022-02-16

Similar Documents

Publication Publication Date Title
HK1253569A1 (zh) 用於使用主聲道的編碼參數編碼立體聲聲音信號以編碼輔聲道的方法和系統
ZA201607875B (en) Coding vectors decomposed from higher-order ambisonics audio signals
TWI562138B (en) Method and apparatus for encoding and decoding audio signal
HK1219343A1 (zh) 使用依賴瞬態位置的重叠對音頻信號編碼或譯碼的設備及方法
SG11201610837XA (en) Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal
PL3025343T3 (pl) Urządzenie i sposób do dekodowania i kodowania sygnału audio z wykorzystaniem adaptacyjnego wyboru bloków widmowych
PT3161659T (pt) Reamostragem de um sinal de áudio para uma codificação/descodificação de baixo atraso
IL253762A0 (en) Video coding optimization method and system
EP2932716A4 (en) METHOD AND DEVICE FOR SELECTION OF INTERCONNECTION CANDIDATES FOR THREE-DIMENSIONAL VIDEO-CORDING
ZA201607881B (en) Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
SG11201701624SA (en) Signaling layers for scalable coding of higher order ambisonic audio data
SG11201707180SA (en) Apparatus and method for encoding or decoding a multi-channel signal
SG11201701626RA (en) Signaling channels for scalable coding of higher order ambisonic audio data
HUE050695T2 (hu) Több audiójel kódolása
EP3437318A4 (en) METHOD AND DEVICES FOR CODING AND DECODING VIDEO ACCORDING TO THE CODING SERIES
SG11201701197TA (en) Audio signal coding apparatus, audio signal decoding apparatus, audio signal coding method, and audio signal decoding method
EP3176780A4 (en) Signal encoding method and apparatus and signal decoding method and apparatus
EP3270590A4 (en) Method and device for encoding or decoding image by using blocks determined by means of adaptive order
ZA201908553B (en) Optimisation of network parameters for enabling network coding
SG11202011325PA (en) Stereo signal encoding method and apparatus
MC200186B1 (fr) Procédé de conversion, d'encodage stéréophonique, de décodage et de transcodage d'un signal audio tridimensionnel
EP3648101A4 (en) METHOD AND DEVICE FOR CODING AND DECODING A STEREO SIGNAL
ZA201707784B (en) Coding of multi-channel audio signals
ZA202007683B (en) Method for encoding/decoding texture of points of a point cloud
SG11202011324RA (en) Stereo signal encoding method and apparatus