CN110495105A - 多声道信号的编解码方法和编解码器 - Google Patents

多声道信号的编解码方法和编解码器 Download PDF

Info

Publication number
CN110495105A
CN110495105A CN201880024082.XA CN201880024082A CN110495105A CN 110495105 A CN110495105 A CN 110495105A CN 201880024082 A CN201880024082 A CN 201880024082A CN 110495105 A CN110495105 A CN 110495105A
Authority
CN
China
Prior art keywords
channel signal
energy
bands
reverberation gain
sub
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.)
Granted
Application number
CN201880024082.XA
Other languages
English (en)
Other versions
CN110495105B (zh
Inventor
刘泽新
苗磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN110495105A publication Critical patent/CN110495105A/zh
Application granted granted Critical
Publication of CN110495105B publication Critical patent/CN110495105B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/08—Arrangements for producing a reverberation or echo sound
    • 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
    • G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
    • 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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external 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
    • 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
    • H03M7/3059—Digital compression and data reduction techniques where the original information is represented by a subset or similar information, e.g. lossy compression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • 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
    • H03M7/60—General implementation details not specific to a particular type of compression
    • H03M7/6047—Power optimization with respect to the encoder, decoder, storage or transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

一种多声道信号的编解码方法和编解码器，编码方法包括：确定多声道信号中的第一声道信号和第二声道信号的下混信号以及第一声道信号和第二声道信号的不同子带对应的混响增益参数(310)；确定第一声道信号和第二声道信号的不同子带对应的混响增益参数中需要编码的目标混响增益参数(320)；生成参数指示信息，参数指示信息用于指示目标混响增益参数对应的子带(330)；对目标混响增益参数、参数指示信息以及下混信号进行编码，生成码流(340)。能够提高编码效率。

Description

PCT国内申请，说明书已公开。

Claims (34)

  1. PCT国内申请，权利要求书已公开。
CN201880024082.XA 2017-04-12 2018-03-01 多声道信号的编解码方法和编解码器 Active CN110495105B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2017102367733 2017-04-12
CN201710236773.3A CN108694955B (zh) 2017-04-12 2017-04-12 多声道信号的编解码方法和编解码器
PCT/CN2018/077790 WO2018188424A1 (zh) 2017-04-12 2018-03-01 多声道信号的编解码方法和编解码器

Publications (2)

Publication Number Publication Date
CN110495105A true CN110495105A (zh) 2019-11-22
CN110495105B CN110495105B (zh) 2021-03-30

Family

ID=63792975

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201710236773.3A Active CN108694955B (zh) 2017-04-12 2017-04-12 多声道信号的编解码方法和编解码器
CN201880024082.XA Active CN110495105B (zh) 2017-04-12 2018-03-01 多声道信号的编解码方法和编解码器

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201710236773.3A Active CN108694955B (zh) 2017-04-12 2017-04-12 多声道信号的编解码方法和编解码器

Country Status (7)

Country Link
US (4) US10827297B2 (zh)
EP (2) EP3605847B1 (zh)
JP (4) JP6874151B2 (zh)
KR (4) KR102281822B1 (zh)
CN (2) CN108694955B (zh)
BR (1) BR112019021361A2 (zh)
WO (1) WO2018188424A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023092505A1 (zh) * 2021-11-26 2023-06-01 北京小米移动软件有限公司 一种立体声音频信号处理方法、装置、编码设备、解码设备及存储介质

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108694955B (zh) 2017-04-12 2020-11-17 华为技术有限公司 多声道信号的编解码方法和编解码器
GB201718341D0 (en) 2017-11-06 2017-12-20 Nokia Technologies Oy Determination of targeted spatial audio parameters and associated spatial audio playback
GB2572650A (en) 2018-04-06 2019-10-09 Nokia Technologies Oy Spatial audio parameters and associated spatial audio playback
GB2574239A (en) 2018-05-31 2019-12-04 Nokia Technologies Oy Signalling of spatial audio parameters
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***
CN111654745B (zh) * 2020-06-08 2022-10-14 海信视像科技股份有限公司 多声道的信号处理方法及显示设备
CN113132881B (zh) * 2021-04-16 2022-07-19 深圳木芯科技有限公司 基于多麦克风自适应控制佩戴者声音放大程度的方法
CN117651888A (zh) 2021-07-26 2024-03-05 住友电工光学前沿株式会社 透镜部件、光合波分波模块及制造光合波分波模块的方法
GB2616280A (en) * 2022-03-02 2023-09-06 Nokia Technologies Oy Spatial rendering of reverberation

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1153369A (zh) * 1995-10-05 1997-07-02 索尼公司 使用多通道音频信号的编码方法及装置
CN1411171A (zh) * 1994-02-04 2003-04-16 索尼公司 信息编码/译码方法和装置信息记录媒体和信息传输方法
KR20070088958A (ko) * 2006-02-27 2007-08-30 한국전자통신연구원 다채널 오디오 신호 시각화 방법과 공간큐를 이용한음상정보 변환 방법 및 그 장치
CN101036183A (zh) * 2004-11-02 2007-09-12 编码技术股份公司 立体声兼容的多声道音频编码
CN101253556A (zh) * 2005-09-02 2008-08-27 松下电器产业株式会社 能量整形装置以及能量整形方法
US20090187411A1 (en) * 2006-02-09 2009-07-23 France Telecom Method for encoding a source audio signal, corresponding encoding device, decoding method, signal, data carrier and computer program product
CN101689368A (zh) * 2007-03-30 2010-03-31 韩国电子通信研究院 对具有多声道的多对象音频信号进行编码和解码的设备和方法
CN102714036A (zh) * 2009-12-28 2012-10-03 松下电器产业株式会社 语音编码装置和语音编码方法
CN104798131A (zh) * 2012-10-05 2015-07-22 弗朗霍夫应用科学研究促进协会 用于空间音频对象编码中信号相依缩放变换的编码器、解码器及方法
CN105009207A (zh) * 2013-01-15 2015-10-28 韩国电子通信研究院 处理信道信号的编码/解码装置及方法
CN105229731A (zh) * 2013-05-24 2016-01-06 杜比国际公司 根据下混的音频场景的重构
CN108694955A (zh) * 2017-04-12 2018-10-23 华为技术有限公司 多声道信号的编解码方法和编解码器

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
KR101049751B1 (ko) 2003-02-11 2011-07-19 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
JP4934427B2 (ja) * 2004-07-02 2012-05-16 パナソニック株式会社 音声信号復号化装置及び音声信号符号化装置
US7848931B2 (en) 2004-08-27 2010-12-07 Panasonic Corporation Audio encoder
KR20060109297A (ko) * 2005-04-14 2006-10-19 엘지전자 주식회사 오디오 신호의 인코딩/디코딩 방법 및 장치
KR101277041B1 (ko) * 2005-09-01 2013-06-24 파나소닉 주식회사 멀티 채널 음향 신호 처리 장치 및 방법
CN101350197B (zh) * 2007-07-16 2011-05-11 华为技术有限公司 立体声音频编/解码方法及编/解码器
CN100571043C (zh) * 2007-11-06 2009-12-16 武汉大学 一种空间参数立体声编解码方法及其装置
KR101444102B1 (ko) * 2008-02-20 2014-09-26 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
KR101108060B1 (ko) * 2008-09-25 2012-01-25 엘지전자 주식회사 신호 처리 방법 및 이의 장치
EP2169666B1 (en) * 2008-09-25 2015-07-15 Lg Electronics Inc. A method and an apparatus for processing a signal
WO2010070016A1 (en) 2008-12-19 2010-06-24 Dolby Sweden Ab Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters
JP5299327B2 (ja) * 2010-03-17 2013-09-25 ソニー株式会社 音声処理装置、音声処理方法、およびプログラム
EP2671222B1 (en) * 2011-02-02 2016-03-02 Telefonaktiebolaget LM Ericsson (publ) Determining the inter-channel time difference of a multi-channel audio signal
JP5737077B2 (ja) * 2011-08-30 2015-06-17 富士通株式会社 オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラム
KR101842258B1 (ko) 2011-09-14 2018-03-27 삼성전자주식회사 신호 처리 방법, 그에 따른 엔코딩 장치, 및 그에 따른 디코딩 장치
US8804971B1 (en) * 2013-04-30 2014-08-12 Dolby International Ab Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio
EP2840811A1 (en) * 2013-07-22 2015-02-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for processing an audio signal; signal processing unit, binaural renderer, audio encoder and audio decoder
WO2015059154A1 (en) * 2013-10-21 2015-04-30 Dolby International Ab Audio encoder and decoder
EP3934283B1 (en) 2013-12-23 2023-08-23 Wilus Institute of Standards and Technology Inc. Audio signal processing method and parameterization device for same
JP2017058696A (ja) * 2016-12-09 2017-03-23 ホアウェイ・テクノロジーズ・カンパニー・リミテッド インターチャネル差分推定方法及び空間オーディオ符号化装置
CN108665902B (zh) * 2017-03-31 2020-12-01 华为技术有限公司 多声道信号的编解码方法和编解码器

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1411171A (zh) * 1994-02-04 2003-04-16 索尼公司 信息编码/译码方法和装置信息记录媒体和信息传输方法
CN1153369A (zh) * 1995-10-05 1997-07-02 索尼公司 使用多通道音频信号的编码方法及装置
CN101036183A (zh) * 2004-11-02 2007-09-12 编码技术股份公司 立体声兼容的多声道音频编码
CN101253556A (zh) * 2005-09-02 2008-08-27 松下电器产业株式会社 能量整形装置以及能量整形方法
US20090187411A1 (en) * 2006-02-09 2009-07-23 France Telecom Method for encoding a source audio signal, corresponding encoding device, decoding method, signal, data carrier and computer program product
KR20070088958A (ko) * 2006-02-27 2007-08-30 한국전자통신연구원 다채널 오디오 신호 시각화 방법과 공간큐를 이용한음상정보 변환 방법 및 그 장치
CN101689368A (zh) * 2007-03-30 2010-03-31 韩国电子通信研究院 对具有多声道的多对象音频信号进行编码和解码的设备和方法
CN102714036A (zh) * 2009-12-28 2012-10-03 松下电器产业株式会社 语音编码装置和语音编码方法
CN104798131A (zh) * 2012-10-05 2015-07-22 弗朗霍夫应用科学研究促进协会 用于空间音频对象编码中信号相依缩放变换的编码器、解码器及方法
CN105009207A (zh) * 2013-01-15 2015-10-28 韩国电子通信研究院 处理信道信号的编码/解码装置及方法
CN105229731A (zh) * 2013-05-24 2016-01-06 杜比国际公司 根据下混的音频场景的重构
CN108694955A (zh) * 2017-04-12 2018-10-23 华为技术有限公司 多声道信号的编解码方法和编解码器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023092505A1 (zh) * 2021-11-26 2023-06-01 北京小米移动软件有限公司 一种立体声音频信号处理方法、装置、编码设备、解码设备及存储介质

Also Published As

Publication number Publication date
EP4365894A2 (en) 2024-05-08
JP2022160440A (ja) 2022-10-19
JP2024012444A (ja) 2024-01-30
US20220046376A1 (en) 2022-02-10
JP7106711B2 (ja) 2022-07-26
US10827297B2 (en) 2020-11-03
EP3605847A4 (en) 2020-03-25
US20200045494A1 (en) 2020-02-06
KR102424184B1 (ko) 2022-07-25
JP7379602B2 (ja) 2023-11-14
JP6874151B2 (ja) 2021-05-19
EP4365894A3 (en) 2024-07-17
KR20220106858A (ko) 2022-07-29
JP2020516955A (ja) 2020-06-11
EP3605847B1 (en) 2024-06-19
US20240056764A1 (en) 2024-02-15
KR20210094143A (ko) 2021-07-28
CN108694955A (zh) 2018-10-23
US11832087B2 (en) 2023-11-28
BR112019021361A2 (pt) 2020-05-05
KR20190134752A (ko) 2019-12-04
WO2018188424A1 (zh) 2018-10-18
EP3605847A1 (en) 2020-02-05
US11178505B2 (en) 2021-11-16
US20210014632A1 (en) 2021-01-14
KR20240042158A (ko) 2024-04-01
CN110495105B (zh) 2021-03-30
CN108694955B (zh) 2020-11-17
JP2021121853A (ja) 2021-08-26
KR102281822B1 (ko) 2021-07-26

Similar Documents

Publication Publication Date Title
CN110495105B (zh) 多声道信号的编解码方法和编解码器
JP7035154B2 (ja) マルチチャネル信号符号化方法、マルチチャネル信号復号化方法、符号器、及び復号器
KR102288841B1 (ko) 채널 간 위상차 파라미터 추출 방법 및 장치
EP2690622B1 (en) Audio decoding device and audio decoding method
CN109427338B (zh) 立体声信号的编码方法和编码装置

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant