KR102587641B1 - 공간적 오디오 파라미터 인코딩 및 연관된 디코딩의 결정 - Google Patents
공간적 오디오 파라미터 인코딩 및 연관된 디코딩의 결정 Download PDFInfo
- Publication number
- KR102587641B1 KR102587641B1 KR1020217016353A KR20217016353A KR102587641B1 KR 102587641 B1 KR102587641 B1 KR 102587641B1 KR 1020217016353 A KR1020217016353 A KR 1020217016353A KR 20217016353 A KR20217016353 A KR 20217016353A KR 102587641 B1 KR102587641 B1 KR 102587641B1
- Authority
- KR
- South Korea
- Prior art keywords
- index
- value
- codebook
- subband
- coherence
- 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.)
- Active
Links
- 239000013598 vector Substances 0.000 claims abstract description 207
- 230000005236 sound signal Effects 0.000 claims abstract description 42
- 230000001427 coherent effect Effects 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 40
- 230000001131 transforming effect Effects 0.000 claims description 20
- 238000013139 quantization Methods 0.000 claims description 10
- 230000001419 dependent effect Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 description 31
- 238000004458 analytical method Methods 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 238000003786 synthesis reaction Methods 0.000 description 10
- 238000004590 computer program Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012732 spatial analysis Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008867 communication pathway Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 229910009207 xMxN Inorganic materials 0.000 description 1
Images
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
- G10L19/02—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
- G10L19/008—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
- G10L19/0212—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
-
- 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
-
- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1817807.9A GB2578603A (en) | 2018-10-31 | 2018-10-31 | Determination of spatial audio parameter encoding and associated decoding |
| GB1817807.9 | 2018-10-31 | ||
| GBGB1903850.4A GB201903850D0 (en) | 2019-03-21 | 2019-03-21 | Determination of spatial audio parameter encoding and associated decoding |
| GB1903850.4 | 2019-03-21 | ||
| PCT/FI2019/050704 WO2020089510A1 (en) | 2018-10-31 | 2019-10-01 | Determination of spatial audio parameter encoding and associated decoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20210089184A KR20210089184A (ko) | 2021-07-15 |
| KR102587641B1 true KR102587641B1 (ko) | 2023-10-10 |
Family
ID=70462154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020217016353A Active KR102587641B1 (ko) | 2018-10-31 | 2019-10-01 | 공간적 오디오 파라미터 인코딩 및 연관된 디코딩의 결정 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US12009001B2 (https=) |
| EP (1) | EP3874492B1 (https=) |
| JP (1) | JP7213364B2 (https=) |
| KR (1) | KR102587641B1 (https=) |
| CN (1) | CN112997248B (https=) |
| ES (1) | ES2968494T3 (https=) |
| FI (1) | FI3874492T3 (https=) |
| PH (1) | PH12021550956A1 (https=) |
| PT (1) | PT3874492T (https=) |
| WO (1) | WO2020089510A1 (https=) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2582749A (en) * | 2019-03-28 | 2020-10-07 | Nokia Technologies Oy | Determination of the significance of spatial audio parameters and associated encoding |
| US12073842B2 (en) * | 2019-06-24 | 2024-08-27 | Qualcomm Incorporated | Psychoacoustic audio coding of ambisonic audio data |
| GB2590650A (en) | 2019-12-23 | 2021-07-07 | Nokia Technologies Oy | The merging of spatial audio parameters |
| GB2590651A (en) | 2019-12-23 | 2021-07-07 | Nokia Technologies Oy | Combining of spatial audio parameters |
| GB2590913A (en) | 2019-12-31 | 2021-07-14 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| GB2592896A (en) * | 2020-01-13 | 2021-09-15 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| GB2595871A (en) | 2020-06-09 | 2021-12-15 | Nokia Technologies Oy | The reduction of spatial audio parameters |
| GB2595883A (en) | 2020-06-09 | 2021-12-15 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| MX2022015324A (es) | 2020-06-11 | 2023-02-27 | Dolby Laboratories Licensing Corp | Metodos y dispositivos para codificar y/o decodificar ruido de fondo espacial dentro de una se?al de entrada multicanal. |
| GB2598932A (en) | 2020-09-18 | 2022-03-23 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| CN116762127A (zh) * | 2020-12-15 | 2023-09-15 | 诺基亚技术有限公司 | 量化空间音频参数 |
| US12412585B2 (en) | 2021-01-18 | 2025-09-09 | Nokia Technlogies Oy | Transforming spatial audio parameters |
| WO2022200666A1 (en) | 2021-03-22 | 2022-09-29 | Nokia Technologies Oy | Combining spatial audio streams |
| GB2605190A (en) | 2021-03-26 | 2022-09-28 | Nokia Technologies Oy | Interactive audio rendering of a spatial stream |
| WO2022223133A1 (en) * | 2021-04-23 | 2022-10-27 | Nokia Technologies Oy | Spatial audio parameter encoding and associated decoding |
| GB2624874A (en) * | 2022-11-29 | 2024-06-05 | Nokia Technologies Oy | Parametric spatial audio encoding |
| CN118314908A (zh) * | 2023-01-06 | 2024-07-09 | 华为技术有限公司 | 场景音频解码方法及电子设备 |
| GB2639905A (en) | 2024-03-27 | 2025-10-08 | Nokia Technologies Oy | Rendering of a spatial audio stream |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8374237B2 (en) * | 2001-03-02 | 2013-02-12 | Dolby Laboratories Licensing Corporation | High precision encoding and decoding of video images |
| US6735254B2 (en) * | 2001-06-29 | 2004-05-11 | Qualcomm, Inc. | DCT compression using Golomb-Rice coding |
| KR100519260B1 (ko) * | 2002-02-21 | 2005-10-06 | 주식회사 애드일렉코 | 고속 최적화된 무선마이크 장치 및 그 제어방법 |
| KR101135726B1 (ko) | 2004-04-05 | 2012-04-16 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 인코더, 디코더, 인코딩 방법, 디코딩 방법 및 기록 매체 |
| RU2376655C2 (ru) | 2005-04-19 | 2009-12-20 | Коудинг Текнолоджиз Аб | Зависящее от энергии квантование для эффективного кодирования пространственных параметров звука |
| US8090587B2 (en) | 2005-09-27 | 2012-01-03 | Lg Electronics Inc. | Method and apparatus for encoding/decoding multi-channel audio signal |
| US20070094035A1 (en) * | 2005-10-21 | 2007-04-26 | Nokia Corporation | Audio coding |
| EP2360681A1 (en) | 2010-01-15 | 2011-08-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information |
| PL2684190T3 (pl) | 2011-03-10 | 2016-04-29 | Ericsson Telefon Ab L M | Wypełnianie niekodowanych podwektorów w sygnałach audio kodowanych transformatowo |
| EP2989631A4 (en) * | 2013-04-26 | 2016-12-21 | Nokia Technologies Oy | AUDIO SIGNAL ENCODER |
| US9495968B2 (en) | 2013-05-29 | 2016-11-15 | Qualcomm Incorporated | Identifying sources from which higher order ambisonic audio data is generated |
| CN107221334B (zh) * | 2016-11-01 | 2020-12-29 | 武汉大学深圳研究院 | 一种音频带宽扩展的方法及扩展装置 |
| GB201718341D0 (en) | 2017-11-06 | 2017-12-20 | Nokia Technologies Oy | Determination of targeted spatial audio parameters and associated spatial audio playback |
| GB2572761A (en) * | 2018-04-09 | 2019-10-16 | Nokia Technologies Oy | Quantization of spatial audio parameters |
| GB2575305A (en) | 2018-07-05 | 2020-01-08 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
| GB2577698A (en) * | 2018-10-02 | 2020-04-08 | Nokia Technologies Oy | Selection of quantisation schemes for spatial audio parameter encoding |
| GB2578603A (en) * | 2018-10-31 | 2020-05-20 | Nokia Technologies Oy | Determination of spatial audio parameter encoding and associated decoding |
-
2019
- 2019-10-01 CN CN201980072488.XA patent/CN112997248B/zh active Active
- 2019-10-01 PT PT198782872T patent/PT3874492T/pt unknown
- 2019-10-01 EP EP19878287.2A patent/EP3874492B1/en active Active
- 2019-10-01 WO PCT/FI2019/050704 patent/WO2020089510A1/en not_active Ceased
- 2019-10-01 ES ES19878287T patent/ES2968494T3/es active Active
- 2019-10-01 FI FIEP19878287.2T patent/FI3874492T3/fi active
- 2019-10-01 US US17/290,053 patent/US12009001B2/en active Active
- 2019-10-01 JP JP2021547951A patent/JP7213364B2/ja active Active
- 2019-10-01 PH PH1/2021/550956A patent/PH12021550956A1/en unknown
- 2019-10-01 KR KR1020217016353A patent/KR102587641B1/ko active Active
Non-Patent Citations (2)
| Title |
|---|
| Low-complexity, full-band audio coding for high-quality, conversational applications. Recommendation ITU-T G.719. 2008.06.* |
| On spatial metadata for IVAS spatial audio input format. 3GPP TSG-SA4#98 meeting S4?180462, https://www.3gpp.org/dynareport?code=TDocExMtg--S4-98--19569.htm. 2018.04.09.* |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3874492A1 (en) | 2021-09-08 |
| JP7213364B2 (ja) | 2023-01-26 |
| US12009001B2 (en) | 2024-06-11 |
| JP2022509440A (ja) | 2022-01-20 |
| FI3874492T3 (fi) | 2024-01-08 |
| PT3874492T (pt) | 2024-01-09 |
| CN112997248A (zh) | 2021-06-18 |
| CN112997248B (zh) | 2024-11-01 |
| ES2968494T3 (es) | 2024-05-09 |
| KR20210089184A (ko) | 2021-07-15 |
| EP3874492B1 (en) | 2023-12-06 |
| US20210407525A1 (en) | 2021-12-30 |
| WO2020089510A1 (en) | 2020-05-07 |
| EP3874492A4 (en) | 2022-08-10 |
| PH12021550956A1 (en) | 2022-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102587641B1 (ko) | 공간적 오디오 파라미터 인코딩 및 연관된 디코딩의 결정 | |
| EP3861548B1 (en) | Selection of quantisation schemes for spatial audio parameter encoding | |
| KR102664650B1 (ko) | 공간 오디오 파라미터의 유의성의 결정 및 관련 인코딩 | |
| KR102929191B1 (ko) | 공간 오디오 파라미터 인코딩 및 관련 디코딩 | |
| US20240185869A1 (en) | Combining spatial audio streams | |
| US12512104B2 (en) | Quantizing spatial audio parameters | |
| JPWO2020089510A5 (https=) | ||
| GB2578603A (en) | Determination of spatial audio parameter encoding and associated decoding | |
| CN116508332A (zh) | 空间音频参数编码和相关解码 | |
| WO2022223133A1 (en) | Spatial audio parameter encoding and associated decoding | |
| EP4211684B1 (en) | Quantizing spatial audio parameters | |
| WO2019243670A1 (en) | Determination of spatial audio parameter encoding and associated decoding | |
| KR20250088634A (ko) | 파라미터 공간 오디오 인코딩 | |
| HK40110832A (en) | Selection of quantisation schemes for spatial audio parameter encoding | |
| KR20230133341A (ko) | 공간 오디오 파라미터들의 변환 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PA0105 | International application |
Patent event date: 20210528 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20230405 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20230711 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20231005 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20231005 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration |