EP4336494A4 - Kodierungsverfahren und -vorrichtung für mehrkanalige audiosignale - Google Patents

Kodierungsverfahren und -vorrichtung für mehrkanalige audiosignale Download PDF

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Publication number
EP4336494A4
EP4336494A4 EP22810378.4A EP22810378A EP4336494A4 EP 4336494 A4 EP4336494 A4 EP 4336494A4 EP 22810378 A EP22810378 A EP 22810378A EP 4336494 A4 EP4336494 A4 EP 4336494A4
Authority
EP
European Patent Office
Prior art keywords
audio signals
encoding method
multichannel audio
multichannel
encoding
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.)
Pending
Application number
EP22810378.4A
Other languages
English (en)
French (fr)
Other versions
EP4336494A1 (de
Inventor
Zhi Wang
Zhe Wang
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 EP4336494A1 publication Critical patent/EP4336494A1/de
Publication of EP4336494A4 publication Critical patent/EP4336494A4/de
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP22810378.4A 2021-05-28 2022-05-12 Kodierungsverfahren und -vorrichtung für mehrkanalige audiosignale Pending EP4336494A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110595367.2A CN115410584A (zh) 2021-05-28 2021-05-28 多声道音频信号的编码方法和装置
PCT/CN2022/092518 WO2022247651A1 (zh) 2021-05-28 2022-05-12 多声道音频信号的编码方法和装置

Publications (2)

Publication Number Publication Date
EP4336494A1 EP4336494A1 (de) 2024-03-13
EP4336494A4 true EP4336494A4 (de) 2024-10-02

Family

ID=84155844

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22810378.4A Pending EP4336494A4 (de) 2021-05-28 2022-05-12 Kodierungsverfahren und -vorrichtung für mehrkanalige audiosignale

Country Status (3)

Country Link
EP (1) EP4336494A4 (de)
CN (1) CN115410584A (de)
WO (1) WO2022247651A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025222466A1 (zh) * 2024-04-25 2025-10-30 北京小米移动软件有限公司 音频数据编码方法、设备、系统及存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080002842A1 (en) * 2005-04-15 2008-01-03 Fraunhofer-Geselschaft zur Forderung der angewandten Forschung e.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
US20180090151A1 (en) * 2015-03-09 2018-03-29 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and Method for Encoding or Decoding a Multi-Channel Signal
US20210104249A1 (en) * 2018-07-04 2021-04-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multisignal Audio Coding Using Signal Whitening As Processing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3342996B2 (ja) * 1995-08-21 2002-11-11 三星電子株式会社 多チャネルオーディオ符号化器及び符号化方法
EP1175030B1 (de) * 2000-07-07 2008-02-20 Nokia Siemens Networks Oy Verfahren und Vorrichtung für die perzeptuelle Tonkodierung von einem mehrkanal Tonsignal mit Verwendung der kaskadierten diskreten Cosinustransformation oder der modifizierten diskreten Cosinustransformation
SE519981C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
US7831434B2 (en) * 2006-01-20 2010-11-09 Microsoft Corporation Complex-transform channel coding with extended-band frequency coding
WO2009146734A1 (en) * 2008-06-03 2009-12-10 Nokia Corporation Multi-channel audio coding
US9064499B2 (en) * 2009-02-13 2015-06-23 Nec Corporation Method for processing multichannel acoustic signal, system therefor, and program
EP3023984A4 (de) * 2013-07-15 2017-03-08 Electronics and Telecommunications Research Institute Codierer und codierungsverfahren für mehrkanalsignal sowie decoder und decodierungsverfahren für mehrkanalsignal
CN107731238B (zh) * 2016-08-10 2021-07-16 华为技术有限公司 多声道信号的编码方法和编码器
JP6790251B2 (ja) * 2016-09-28 2020-11-25 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． マルチチャネルオーディオ信号処理方法、装置、およびシステム
US11145316B2 (en) * 2017-06-01 2021-10-12 Panasonic Intellectual Property Corporation Of America Encoder and encoding method for selecting coding mode for audio channels based on interchannel correlation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080002842A1 (en) * 2005-04-15 2008-01-03 Fraunhofer-Geselschaft zur Forderung der angewandten Forschung e.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
US20180090151A1 (en) * 2015-03-09 2018-03-29 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and Method for Encoding or Decoding a Multi-Channel Signal
US20210104249A1 (en) * 2018-07-04 2021-04-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multisignal Audio Coding Using Signal Whitening As Processing

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022247651A1 *

Also Published As

Publication number Publication date
EP4336494A1 (de) 2024-03-13
WO2022247651A1 (zh) 2022-12-01
CN115410584A (zh) 2022-11-29

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