EP4697325A4 - Procédé et appareil de codage audio, et dispositif électronique et support de stockage - Google Patents
Procédé et appareil de codage audio, et dispositif électronique et support de stockageInfo
- Publication number
- EP4697325A4 EP4697325A4 EP24788243.4A EP24788243A EP4697325A4 EP 4697325 A4 EP4697325 A4 EP 4697325A4 EP 24788243 A EP24788243 A EP 24788243A EP 4697325 A4 EP4697325 A4 EP 4697325A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- well
- storage medium
- coding method
- audio coding
- electronic device
- 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
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310403661.8A CN116434760A (zh) | 2023-04-14 | 2023-04-14 | 一种音频编码方法、装置、电子设备及存储介质 |
| PCT/CN2024/087626 WO2024213147A1 (fr) | 2023-04-14 | 2024-04-12 | Procédé et appareil de codage audio, et dispositif électronique et support de stockage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4697325A1 EP4697325A1 (fr) | 2026-02-18 |
| EP4697325A4 true EP4697325A4 (fr) | 2026-04-08 |
Family
ID=87079338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP24788243.4A Pending EP4697325A4 (fr) | 2023-04-14 | 2024-04-12 | Procédé et appareil de codage audio, et dispositif électronique et support de stockage |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4697325A4 (fr) |
| KR (1) | KR20250168677A (fr) |
| CN (1) | CN116434760A (fr) |
| WO (1) | WO2024213147A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116434760A (zh) * | 2023-04-14 | 2023-07-14 | 北京小米移动软件有限公司 | 一种音频编码方法、装置、电子设备及存储介质 |
| CN117730532A (zh) * | 2023-10-31 | 2024-03-19 | 北京小米移动软件有限公司 | 编解码方法、终端、网络设备以及存储介质 |
| CN120108406B (zh) * | 2023-11-30 | 2025-11-28 | 荣耀终端股份有限公司 | 音频处理方法、车载音频设备、电子设备及车辆 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040049379A1 (en) * | 2002-09-04 | 2004-03-11 | Microsoft Corporation | Multi-channel audio encoding and decoding |
| US20120020482A1 (en) * | 2010-07-22 | 2012-01-26 | Samsung Electronics Co., Ltd. | Apparatus and method for encoding and decoding multi-channel audio signal |
| WO2016023322A1 (fr) * | 2014-08-15 | 2016-02-18 | 北京天籁传音数字技术有限公司 | Procédé de codage de signal acoustique multicanal, procédé et dispositif de décodage |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006056100A1 (fr) * | 2004-11-24 | 2006-06-01 | Beijing E-World Technology Co., Ltd | Procede et dispositif de codage/decodage utilisant la redondance des signaux intra-canal |
| MX2007014570A (es) * | 2005-05-25 | 2008-02-11 | Koninkl Philips Electronics Nv | Codificacion predictiva de una senal de canales multiples. |
| US8190425B2 (en) * | 2006-01-20 | 2012-05-29 | Microsoft Corporation | Complex cross-correlation parameters for multi-channel audio |
| CN101071570B (zh) * | 2007-06-21 | 2011-02-16 | 北京中星微电子有限公司 | 耦合声道的编、解码处理方法、音频编码装置及解码装置 |
| US8046214B2 (en) * | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
| US8249883B2 (en) * | 2007-10-26 | 2012-08-21 | Microsoft Corporation | Channel extension coding for multi-channel source |
| KR101698439B1 (ko) * | 2010-04-09 | 2017-01-20 | 돌비 인터네셔널 에이비 | Mdct-기반의 복소수 예측 스테레오 코딩 |
| CN102982805B (zh) * | 2012-12-27 | 2014-11-19 | 北京理工大学 | 一种基于张量分解的多声道音频信号压缩方法 |
| CN103400582B (zh) * | 2013-08-13 | 2015-09-16 | 武汉大学 | 面向多声道三维音频的编解码方法与系统 |
| CN104240712B (zh) * | 2014-09-30 | 2018-02-02 | 武汉大学深圳研究院 | 一种三维音频多声道分组聚类编码方法及系统 |
| CN113948095B (zh) * | 2020-07-17 | 2025-02-25 | 华为技术有限公司 | 多声道音频信号的编解码方法和装置 |
| EP4440151A4 (fr) * | 2021-11-26 | 2024-11-27 | Beijing Xiaomi Mobile Software Co., Ltd. | Procédé et appareil de traitement de signal audio stéréo, dispositif de codage, dispositif de décodage et support de stockage |
| CN116434760A (zh) * | 2023-04-14 | 2023-07-14 | 北京小米移动软件有限公司 | 一种音频编码方法、装置、电子设备及存储介质 |
-
2023
- 2023-04-14 CN CN202310403661.8A patent/CN116434760A/zh active Pending
-
2024
- 2024-04-12 WO PCT/CN2024/087626 patent/WO2024213147A1/fr not_active Ceased
- 2024-04-12 KR KR1020257037772A patent/KR20250168677A/ko active Pending
- 2024-04-12 EP EP24788243.4A patent/EP4697325A4/fr active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040049379A1 (en) * | 2002-09-04 | 2004-03-11 | Microsoft Corporation | Multi-channel audio encoding and decoding |
| US20120020482A1 (en) * | 2010-07-22 | 2012-01-26 | Samsung Electronics Co., Ltd. | Apparatus and method for encoding and decoding multi-channel audio signal |
| WO2016023322A1 (fr) * | 2014-08-15 | 2016-02-18 | 北京天籁传音数字技术有限公司 | Procédé de codage de signal acoustique multicanal, procédé et dispositif de décodage |
Non-Patent Citations (2)
| Title |
|---|
| See also references of WO2024213147A1 * |
| SHI DONG ET AL: "Expanded three-channel mid/side coding for three-dimensional multichannel audio systems", EURASIP JOURNAL ON AUDIO, SPEECH, AND MUSIC PROCESSING, vol. 2014, no. 1, 24 March 2014 (2014-03-24), DE, pages 1 - 13, XP055138941, ISSN: 1687-4722, DOI: 10.1186/1687-4722-2014-10 * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20250168677A (ko) | 2025-12-02 |
| WO2024213147A1 (fr) | 2024-10-17 |
| EP4697325A1 (fr) | 2026-02-18 |
| CN116434760A (zh) | 2023-07-14 |
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Legal Events
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| 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 |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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| 17P | Request for examination filed |
Effective date: 20251110 |
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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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
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| A4 | Supplementary search report drawn up and despatched |
Effective date: 20260311 |
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| RIC1 | Information provided on ipc code assigned before grant |
Ipc: G10L 19/008 20130101AFI20260305BHEP Ipc: G10L 19/032 20130101ALI20260305BHEP Ipc: G10L 19/02 20130101ALN20260305BHEP |