EP4336494A4 - Procédé et appareil de codage pour signaux audio multicanal - Google Patents
Procédé et appareil de codage pour signaux audio multicanal Download PDFInfo
- 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
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)
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 (fr) | 2021-05-28 | 2022-05-12 | Procédé et appareil de codage pour signaux audio multicanal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4336494A1 EP4336494A1 (fr) | 2024-03-13 |
| EP4336494A4 true EP4336494A4 (fr) | 2024-10-02 |
Family
ID=84155844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22810378.4A Pending EP4336494A4 (fr) | 2021-05-28 | 2022-05-12 | Procédé et appareil de codage pour signaux audio multicanal |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP4336494A4 (fr) |
| CN (1) | CN115410584A (fr) |
| WO (1) | WO2022247651A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2025222466A1 (fr) * | 2024-04-25 | 2025-10-30 | 北京小米移动软件有限公司 | Procédé de codage de données audio, dispositif, système et support de stockage |
Citations (3)
| 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)
| 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 (fr) * | 2000-07-07 | 2008-02-20 | Nokia Siemens Networks Oy | Méthode et système pour le codage perceptuel de signaux audiophoniques multicanal par transformation en cosinus discrète et cosinus discrète modifiée à cascades |
| 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 (fr) * | 2008-06-03 | 2009-12-10 | Nokia Corporation | Codage audio multicanaux |
| US9064499B2 (en) * | 2009-02-13 | 2015-06-23 | Nec Corporation | Method for processing multichannel acoustic signal, system therefor, and program |
| EP3023984A4 (fr) * | 2013-07-15 | 2017-03-08 | Electronics and Telecommunications Research Institute | Codeur et procédé de codage pour signal multicanal, ainsi que décodeur et procédé de décodage pour signal multicanal. |
| 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 |
-
2021
- 2021-05-28 CN CN202110595367.2A patent/CN115410584A/zh active Pending
-
2022
- 2022-05-12 WO PCT/CN2022/092518 patent/WO2022247651A1/fr not_active Ceased
- 2022-05-12 EP EP22810378.4A patent/EP4336494A4/fr active Pending
Patent Citations (3)
| 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)
| Title |
|---|
| See also references of WO2022247651A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4336494A1 (fr) | 2024-03-13 |
| WO2022247651A1 (fr) | 2022-12-01 |
| CN115410584A (zh) | 2022-11-29 |
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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 |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 17P | Request for examination filed |
Effective date: 20231205 |
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| 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 |
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| 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 |
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| 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 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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Effective date: 20251107 |
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| GRAP | Despatch of communication of intention to grant a patent |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
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| 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 |