EP4336494A4 - ENCODING METHOD AND DEVICE FOR MULTICHANNEL AUDIO SIGNALS - Google Patents

ENCODING METHOD AND DEVICE FOR MULTICHANNEL AUDIO SIGNALS Download PDF

Info

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
German (de)
French (fr)
Other versions
EP4336494A1 (en
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/en
Publication of EP4336494A4 publication Critical patent/EP4336494A4/en
Pending legal-status Critical Current

Links

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 ENCODING METHOD AND DEVICE FOR MULTICHANNEL AUDIO SIGNALS Pending EP4336494A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110595367.2A CN115410584A (en) 2021-05-28 2021-05-28 Method and apparatus for encoding multi-channel audio signal
PCT/CN2022/092518 WO2022247651A1 (en) 2021-05-28 2022-05-12 Encoding method and apparatus for multi-channel audio signals

Publications (2)

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

Family

ID=84155844

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22810378.4A Pending EP4336494A4 (en) 2021-05-28 2022-05-12 ENCODING METHOD AND DEVICE FOR MULTICHANNEL AUDIO SIGNALS

Country Status (3)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118591840A (en) * 2024-04-25 2024-09-03 北京小米移动软件有限公司 Audio data encoding method, device, system and storage medium

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 (en) * 1995-08-21 2002-11-11 三星電子株式会社 Multi-channel audio encoder and encoding method
EP1175030B1 (en) * 2000-07-07 2008-02-20 Nokia Siemens Networks Oy Method and system for multichannel perceptual audio coding using the cascaded discrete cosine transform or modified discrete cosine transform
SE519981C2 (en) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Coding and decoding of signals from multiple channels
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
WO2010092915A1 (en) * 2009-02-13 2010-08-19 日本電気株式会社 Method for processing multichannel acoustic signal, system thereof, and program
EP3023984A4 (en) * 2013-07-15 2017-03-08 Electronics and Telecommunications Research Institute Encoder and encoding method for multichannel signal, and decoder and decoding method for multichannel signal
CN107731238B (en) * 2016-08-10 2021-07-16 华为技术有限公司 Coding method and encoder for multi-channel signal
WO2018058379A1 (en) * 2016-09-28 2018-04-05 华为技术有限公司 Method, apparatus and system for processing multi-channel audio signal
JP7149936B2 (en) * 2017-06-01 2022-10-07 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ Encoding device and encoding method

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 (en) 2024-03-13
CN115410584A (en) 2022-11-29
WO2022247651A1 (en) 2022-12-01

Similar Documents

Publication Publication Date Title
EP4125279A4 (en) FITTING METHOD AND DEVICE FOR HEARING HEADPHONES
EP4292084A4 (en) MULTI-CHANNEL SPEECH COMPRESSION SYSTEM AND METHOD
EP4395422A4 (en) SIGNAL TRANSMISSION METHOD AND DEVICE
EP4203469A4 (en) SIGNAL TRANSMITTING METHOD AND APPARATUS
EP4102756C0 (en) SIGNAL TRANSMISSION METHOD AND DEVICE
EP4046385C0 (en) AUDIO CODING DEVICE AND METHOD
EP3940974A4 (en) TRANSMISSION METHOD AND DEVICE FOR DATA STREAM
EP4351063A4 (en) REFERENCE SIGNAL TRANSMISSION AND CONFIGURATION METHOD AND APPARATUS
EP3806490A4 (en) VEHICLE SOUND SYSTEM AND AUDIO PLAYBACK METHOD
EP4213424A4 (en) SIGNAL TRANSMISSION METHOD AND APPARATUS
UA113117C2 (en) SOUND CODING AND DECODING DEVICE
EP4228285A4 (en) AUDIO CONTROL METHOD AND APPARATUS
EP4327189A4 (en) SYSTEMS AND METHODS FOR AN IMMERSIVE AUDIO EXPERIENCE
EP4458029A4 (en) AUDIO HEADPHONES
EP4130956A4 (en) MULTIMEDIA PLAYBACK METHOD AND APPARATUS
EP4320877C0 (en) AUDIO DEVICE AND METHOD THEREFOR
EP4152318A4 (en) Audio encoding method and audio encoding device
EP4535704A4 (en) DISPLAY METHOD AND DEVICE FOR REFERENCE SIGNAL
EP4362012A4 (en) METHODS AND APPARATUS FOR ENCODING AND DECODING MULTICHANNEL SIGNALS
EP4416723C0 (en) SYSTEMS AND METHODS FOR MULTI-BAND AUDIO CODING
EP4102896A4 (en) SIGNAL TRANSMISSION METHOD AND DEVICE
EP4460985A4 (en) MULTI-CHANNEL LOUDSPEAKER SYSTEM AND METHOD THEREFOR
EP3693960C0 (en) METHOD FOR INDIVIDUALIZED SIGNAL PROCESSING OF AN AUDIO SIGNAL OF A HEARING AID
EP4322553A4 (en) PROCESSING METHOD FOR AUDIO SIGNALS AND HEADPHONE DEVICE
EP4131263A4 (en) METHOD AND DEVICE FOR AUDIO SIGNAL ENCODING

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20231205

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20240830

RIC1 Information provided on ipc code assigned before grant

Ipc: G10L 19/18 20130101ALN20240826BHEP

Ipc: H04S 3/00 20060101ALI20240826BHEP

Ipc: G10L 19/00 20130101ALI20240826BHEP

Ipc: G10L 19/008 20130101AFI20240826BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20251107

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

RIC1 Information provided on ipc code assigned before grant

Ipc: G10L 19/008 20130101AFI20260303BHEP

Ipc: G10L 19/00 20130101ALI20260303BHEP

Ipc: H04S 3/00 20060101ALI20260303BHEP

Ipc: G10L 19/18 20130101ALN20260303BHEP

INTG Intention to grant announced

Effective date: 20260316

RIC1 Information provided on ipc code assigned before grant

Ipc: G10L 19/008 20130101AFI20260306BHEP

Ipc: G10L 19/00 20130101ALI20260306BHEP

Ipc: H04S 3/00 20060101ALI20260306BHEP

Ipc: G10L 19/18 20130101ALN20260306BHEP