SG11202011329QA - Downmixed signal calculation method and apparatus - Google Patents

Downmixed signal calculation method and apparatus

Info

Publication number
SG11202011329QA
SG11202011329QA SG11202011329QA SG11202011329QA SG11202011329QA SG 11202011329Q A SG11202011329Q A SG 11202011329QA SG 11202011329Q A SG11202011329Q A SG 11202011329QA SG 11202011329Q A SG11202011329Q A SG 11202011329QA SG 11202011329Q A SG11202011329Q A SG 11202011329QA
Authority
SG
Singapore
Prior art keywords
calculation method
signal calculation
downmixed signal
downmixed
signal
Prior art date
Application number
SG11202011329QA
Other languages
English (en)
Inventor
Haiting Li
Zexin Liu
Bin Wang
Original Assignee
Huawei Tech 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 Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of SG11202011329QA publication Critical patent/SG11202011329QA/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S1/00Two-channel systems
    • H04S1/007Two-channel systems in which the audio signals are in digital form
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/18Speech 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 spectral information of each sub-band
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/21Speech 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03Application of parametric coding in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
SG11202011329QA 2018-05-31 2019-01-02 Downmixed signal calculation method and apparatus SG11202011329QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810549905.2A CN110556119B (zh) 2018-05-31 2018-05-31 一种下混信号的计算方法及装置
PCT/CN2019/070116 WO2019227931A1 (zh) 2018-05-31 2019-01-02 一种下混信号的计算方法及装置

Publications (1)

Publication Number Publication Date
SG11202011329QA true SG11202011329QA (en) 2020-12-30

Family

ID=68698667

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202011329QA SG11202011329QA (en) 2018-05-31 2019-01-02 Downmixed signal calculation method and apparatus

Country Status (8)

Country Link
US (2) US11869517B2 (ko)
EP (1) EP3783608A4 (ko)
JP (1) JP7159351B2 (ko)
KR (2) KR102628755B1 (ko)
CN (2) CN110556119B (ko)
BR (1) BR112020024232A2 (ko)
SG (1) SG11202011329QA (ko)
WO (1) WO2019227931A1 (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113948098A (zh) * 2020-07-17 2022-01-18 华为技术有限公司 一种立体声音频信号时延估计方法及装置
US11802894B2 (en) * 2020-09-17 2023-10-31 Silicon Laboratories Inc. Compressing information in an end node using an autoencoder neural network
CN113421579B (zh) * 2021-06-30 2024-06-07 北京小米移动软件有限公司 声音处理方法、装置、电子设备和存储介质
GB2628413A (en) * 2023-03-24 2024-09-25 Nokia Technologies Oy Coding of frame-level out-of-sync metadata

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7751572B2 (en) * 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
US8494667B2 (en) * 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
JP5270557B2 (ja) * 2006-10-16 2013-08-21 ドルビー・インターナショナル・アクチボラゲット 多チャネルダウンミックスされたオブジェクト符号化における強化された符号化及びパラメータ表現
CN101197134A (zh) * 2006-12-05 2008-06-11 华为技术有限公司 消除编码模式切换影响的方法和装置以及解码方法和装置
EP2201566B1 (en) * 2007-09-19 2015-11-11 Telefonaktiebolaget LM Ericsson (publ) Joint multi-channel audio encoding/decoding
JP5485909B2 (ja) * 2007-12-31 2014-05-07 エルジー エレクトロニクス インコーポレイティド オーディオ信号処理方法及び装置
KR101444102B1 (ko) * 2008-02-20 2014-09-26 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
CN102157149B (zh) * 2010-02-12 2012-08-08 华为技术有限公司 立体声信号下混方法、编解码装置和编解码系统
ES2810824T3 (es) * 2010-04-09 2021-03-09 Dolby Int Ab Sistema decodificador, método de decodificación y programa informático respectivo
CN102446507B (zh) * 2011-09-27 2013-04-17 华为技术有限公司 一种下混信号生成、还原的方法和装置
KR101585852B1 (ko) * 2011-09-29 2016-01-15 돌비 인터네셔널 에이비 Fm 스테레오 라디오 신호들에서 고품질의 검출
ES2904275T3 (es) * 2015-09-25 2022-04-04 Voiceage Corp Método y sistema de decodificación de los canales izquierdo y derecho de una señal sonora estéreo
CN117476018A (zh) * 2016-09-28 2024-01-30 华为技术有限公司 一种处理多声道音频信号的方法、装置和系统

Also Published As

Publication number Publication date
KR102628755B1 (ko) 2024-01-23
US11869517B2 (en) 2024-01-09
WO2019227931A1 (zh) 2019-12-05
BR112020024232A2 (pt) 2021-02-23
CN110556119A (zh) 2019-12-10
CN114420139A (zh) 2022-04-29
US20210082441A1 (en) 2021-03-18
US20240105188A1 (en) 2024-03-28
EP3783608A1 (en) 2021-02-24
KR20240013287A (ko) 2024-01-30
JP2021524938A (ja) 2021-09-16
EP3783608A4 (en) 2021-06-23
KR20210009342A (ko) 2021-01-26
CN110556119B (zh) 2022-02-18
JP7159351B2 (ja) 2022-10-24

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