EP4723108A2 - Parametrische räumliche audiokodierung - Google Patents
Parametrische räumliche audiokodierungInfo
- Publication number
- EP4723108A2 EP4723108A2 EP26159862.7A EP26159862A EP4723108A2 EP 4723108 A2 EP4723108 A2 EP 4723108A2 EP 26159862 A EP26159862 A EP 26159862A EP 4723108 A2 EP4723108 A2 EP 4723108A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- vector
- audio
- ratio
- generating
- quantized
- 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
- G10L19/032—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
- G10L19/04—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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
-
- 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
- G10L2019/0001—Codebooks
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0004—Design or structure of the codebook
-
- 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
- G10L2019/0001—Codebooks
- G10L2019/0007—Codebook element generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2217884.2A GB2624869A (en) | 2022-11-29 | 2022-11-29 | Parametric spatial audio encoding |
| PCT/EP2023/080907 WO2024115052A1 (en) | 2022-11-29 | 2023-11-07 | Parametric spatial audio encoding |
| EP23805488.6A EP4627572B1 (de) | 2022-11-29 | 2023-11-07 | Parametrische räumliche audiokodierung |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23805488.6A Division EP4627572B1 (de) | 2022-11-29 | 2023-11-07 | Parametrische räumliche audiokodierung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4723108A2 true EP4723108A2 (de) | 2026-04-08 |
Family
ID=84889624
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23805488.6A Active EP4627572B1 (de) | 2022-11-29 | 2023-11-07 | Parametrische räumliche audiokodierung |
| EP26159862.7A Pending EP4723108A2 (de) | 2022-11-29 | 2023-11-07 | Parametrische räumliche audiokodierung |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23805488.6A Active EP4627572B1 (de) | 2022-11-29 | 2023-11-07 | Parametrische räumliche audiokodierung |
Country Status (9)
| Country | Link |
|---|---|
| EP (2) | EP4627572B1 (de) |
| JP (1) | JP2025540763A (de) |
| KR (1) | KR20250088634A (de) |
| CN (1) | CN120226075B (de) |
| AU (1) | AU2023405234B2 (de) |
| CO (1) | CO2025006784A2 (de) |
| GB (1) | GB2624869A (de) |
| MX (1) | MX2025006029A (de) |
| WO (1) | WO2024115052A1 (de) |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2814028B1 (de) * | 2012-02-10 | 2016-08-17 | Panasonic Intellectual Property Corporation of America | Audio- und sprachcodierungsvorrichtung, audio- und sprachdecodierungsvorrichtung, audio- und sprachcodierungsverfahren sowie audio- und sprachdecodierungsverfahren |
| WO2014108738A1 (en) * | 2013-01-08 | 2014-07-17 | Nokia Corporation | Audio signal multi-channel parameter encoder |
| CN106030703B (zh) * | 2013-12-17 | 2020-02-04 | 诺基亚技术有限公司 | 音频信号编码器 |
| GB2578603A (en) * | 2018-10-31 | 2020-05-20 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
| CA3193359A1 (en) * | 2019-06-14 | 2020-12-17 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Parameter encoding and decoding |
| GB2585187A (en) * | 2019-06-25 | 2021-01-06 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
| GB2586214A (en) * | 2019-07-31 | 2021-02-17 | Nokia Technologies Oy | Quantization of spatial audio direction parameters |
| KR20220062621A (ko) * | 2019-09-17 | 2022-05-17 | 노키아 테크놀로지스 오와이 | 공간적 오디오 파라미터 인코딩 및 관련 디코딩 |
| GB2592896A (en) * | 2020-01-13 | 2021-09-15 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| WO2022200666A1 (en) * | 2021-03-22 | 2022-09-29 | Nokia Technologies Oy | Combining spatial audio streams |
| WO2022223133A1 (en) * | 2021-04-23 | 2022-10-27 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
-
2022
- 2022-11-29 GB GB2217884.2A patent/GB2624869A/en not_active Withdrawn
-
2023
- 2023-11-07 WO PCT/EP2023/080907 patent/WO2024115052A1/en not_active Ceased
- 2023-11-07 KR KR1020257017666A patent/KR20250088634A/ko active Pending
- 2023-11-07 JP JP2025531242A patent/JP2025540763A/ja active Pending
- 2023-11-07 AU AU2023405234A patent/AU2023405234B2/en active Active
- 2023-11-07 CN CN202380080216.0A patent/CN120226075B/zh active Active
- 2023-11-07 EP EP23805488.6A patent/EP4627572B1/de active Active
- 2023-11-07 EP EP26159862.7A patent/EP4723108A2/de active Pending
-
2025
- 2025-05-22 MX MX2025006029A patent/MX2025006029A/es unknown
- 2025-05-23 CO CONC2025/0006784A patent/CO2025006784A2/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JP2025540763A (ja) | 2025-12-16 |
| CO2025006784A2 (es) | 2025-06-06 |
| CN120226075B (zh) | 2026-03-13 |
| EP4627572B1 (de) | 2026-03-04 |
| EP4627572C0 (de) | 2026-03-04 |
| KR20250088634A (ko) | 2025-06-17 |
| MX2025006029A (es) | 2025-06-02 |
| GB2624869A (en) | 2024-06-05 |
| AU2023405234A1 (en) | 2025-05-29 |
| EP4627572A1 (de) | 2025-10-08 |
| WO2024115052A1 (en) | 2024-06-06 |
| GB202217884D0 (en) | 2023-01-11 |
| AU2023405234B2 (en) | 2025-09-25 |
| CN120226075A (zh) | 2025-06-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP4082009B1 (de) | Zusammenführen von räumlichen audioparametern | |
| US20240185869A1 (en) | Combining spatial audio streams | |
| CN116762127A (zh) | 量化空间音频参数 | |
| WO2022223133A1 (en) | Spatial audio parameter encoding and associated decoding | |
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| EP4690186A1 (de) | Parametrische räumliche audiokodierung mit niedriger kodierrate | |
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| US20230335143A1 (en) | Quantizing spatial audio parameters | |
| EP4278347B1 (de) | Transformation räumlicher audioparameter | |
| WO2024175320A1 (en) | Priority values for parametric spatial audio encoding | |
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| EP4627574A1 (de) | Parametrische räumliche audiokodierung | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| 17P | Request for examination filed |
Effective date: 20260220 |
|
| AC | Divisional application: reference to earlier application |
Ref document number: 4627572 Country of ref document: EP Kind code of ref document: P |
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| AK | Designated contracting states |
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