PL3984028T3 - Enkodowanie oraz dekodowanie parametrów - Google Patents
Enkodowanie oraz dekodowanie parametrówInfo
- Publication number
- PL3984028T3 PL3984028T3 PL20732888.1T PL20732888T PL3984028T3 PL 3984028 T3 PL3984028 T3 PL 3984028T3 PL 20732888 T PL20732888 T PL 20732888T PL 3984028 T3 PL3984028 T3 PL 3984028T3
- Authority
- PL
- Poland
- Prior art keywords
- encoding
- decoding parameters
- decoding
- parameters
- Prior art date
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
- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
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)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19180385 | 2019-06-14 | ||
| PCT/EP2020/066456 WO2020249815A2 (en) | 2019-06-14 | 2020-06-15 | Parameter encoding and decoding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3984028T3 true PL3984028T3 (pl) | 2024-08-19 |
Family
ID=66912589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL20732888.1T PL3984028T3 (pl) | 2019-06-14 | 2020-06-15 | Enkodowanie oraz dekodowanie parametrów |
Country Status (14)
| Country | Link |
|---|---|
| US (3) | US12277941B2 (pl) |
| EP (2) | EP4398243B1 (pl) |
| JP (2) | JP7471326B2 (pl) |
| KR (3) | KR102798446B1 (pl) |
| CN (2) | CN114270437B (pl) |
| AU (3) | AU2020291190B2 (pl) |
| BR (1) | BR112021025265A2 (pl) |
| CA (2) | CA3193359A1 (pl) |
| ES (1) | ES2980822T3 (pl) |
| MX (1) | MX2021015314A (pl) |
| PL (1) | PL3984028T3 (pl) |
| TW (2) | TWI792006B (pl) |
| WO (1) | WO2020249815A2 (pl) |
| ZA (1) | ZA202110293B (pl) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2021359779B2 (en) | 2020-10-13 | 2025-05-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding a plurality of audio objects and apparatus and method for decoding using two or more relevant audio objects |
| MX2023004248A (es) | 2020-10-13 | 2023-06-08 | Fraunhofer Ges Forschung | Aparato y metodo para codificar una pluralidad de objetos de audio usando informacion de direccion durante una mezcla descendente o aparato y metodo para decodificacion usando una sintesis de covarianza optimizada. |
| ES3055507T3 (en) * | 2020-12-02 | 2026-02-12 | Dolby Laboratories Licensing Corp | Immersive voice and audio services (ivas) with adaptive downmix strategies |
| EP4320615B1 (en) * | 2021-04-06 | 2025-12-03 | Dolby International AB | Coding of envelope information of an audio downmix signal |
| CN115691521B (zh) * | 2021-07-29 | 2026-03-13 | 华为技术有限公司 | 一种音频信号的编解码方法和装置 |
| GB2624869A (en) * | 2022-11-29 | 2024-06-05 | Nokia Technologies Oy | Parametric spatial audio encoding |
| GB2637109A (en) * | 2022-12-01 | 2025-07-16 | Nokia Technologies Oy | Binaural audio rendering of spatial audio |
| TWI907957B (zh) * | 2023-02-23 | 2025-12-11 | 弗勞恩霍夫爾協會 | 音訊訊號表示解碼單元和音訊訊號表示編碼單元 |
| WO2024208420A1 (en) | 2023-04-05 | 2024-10-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio processor, audio processing system, audio decoder, method for providing a processed audio signal representation and computer program using a time scale modification |
| CN119724213B (zh) * | 2024-12-02 | 2026-05-08 | 深圳市声扬科技有限公司 | 数据获取方法、装置、电子设备及存储介质 |
| CN120561446B (zh) * | 2025-07-29 | 2025-10-14 | 无锡九方科技有限公司 | 一种基于通道相关的卫星观测资料三维变分同化方法 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101120911B1 (ko) | 2004-07-02 | 2012-02-27 | 파나소닉 주식회사 | 음성신호 복호화 장치 및 음성신호 부호화 장치 |
| US20070055510A1 (en) | 2005-07-19 | 2007-03-08 | Johannes Hilpert | Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding |
| ATE453908T1 (de) * | 2005-08-30 | 2010-01-15 | Lg Electronics Inc | Vorrichtung und verfahren zur dekodierung eines audiosignals |
| WO2007080211A1 (en) | 2006-01-09 | 2007-07-19 | Nokia Corporation | Decoding of binaural audio signals |
| US8175280B2 (en) | 2006-03-24 | 2012-05-08 | Dolby International Ab | Generation of spatial downmixes from parametric representations of multi channel signals |
| CN101411214B (zh) * | 2006-03-28 | 2011-08-10 | 艾利森电话股份有限公司 | 用于多信道环绕声音的解码器的方法和装置 |
| ES2378734T3 (es) * | 2006-10-16 | 2012-04-17 | Dolby International Ab | Codificación mejorada y representación de parámetros de codificación de objetos de mezcla descendente multicanal |
| JP4838361B2 (ja) * | 2006-11-15 | 2011-12-14 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及びその装置 |
| RU2452043C2 (ru) * | 2007-10-17 | 2012-05-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Аудиокодирование с использованием понижающего микширования |
| RU2497204C2 (ru) * | 2008-05-23 | 2013-10-27 | Конинклейке Филипс Электроникс Н.В. | Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер |
| KR20110110093A (ko) * | 2008-10-01 | 2011-10-06 | 톰슨 라이센싱 | 디코딩 장치, 디코딩 방법, 인코딩 장치, 인코딩 방법, 및 편집 장치 |
| US8666752B2 (en) * | 2009-03-18 | 2014-03-04 | Samsung Electronics Co., Ltd. | Apparatus and method for encoding and decoding multi-channel signal |
| WO2012122397A1 (en) | 2011-03-09 | 2012-09-13 | Srs Labs, Inc. | System for dynamically creating and rendering audio objects |
| EP2560161A1 (en) * | 2011-08-17 | 2013-02-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Optimal mixing matrices and usage of decorrelators in spatial audio processing |
| EP2690621A1 (en) * | 2012-07-26 | 2014-01-29 | Thomson Licensing | Method and Apparatus for downmixing MPEG SAOC-like encoded audio signals at receiver side in a manner different from the manner of downmixing at encoder side |
| EP2717265A1 (en) * | 2012-10-05 | 2014-04-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for backward compatible dynamic adaption of time/frequency resolution in spatial-audio-object-coding |
| US8804971B1 (en) * | 2013-04-30 | 2014-08-12 | Dolby International Ab | Hybrid encoding of higher frequency and downmixed low frequency content of multichannel audio |
| EP2804176A1 (en) | 2013-05-13 | 2014-11-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio object separation from mixture signal using object-specific time/frequency resolutions |
| WO2015011015A1 (en) | 2013-07-22 | 2015-01-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| EP2830053A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| EP2838086A1 (en) * | 2013-07-22 | 2015-02-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment |
| EP2830060A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise filling in multichannel audio coding |
| AU2014339065B2 (en) * | 2013-10-21 | 2017-04-20 | Dolby International Ab | Decorrelator structure for parametric reconstruction of audio signals |
| EP2866227A1 (en) * | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder |
| EP2879131A1 (en) * | 2013-11-27 | 2015-06-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decoder, encoder and method for informed loudness estimation in object-based audio coding systems |
| US9959877B2 (en) * | 2016-03-18 | 2018-05-01 | Qualcomm Incorporated | Multi channel coding |
| GB201718341D0 (en) * | 2017-11-06 | 2017-12-20 | Nokia Technologies Oy | Determination of targeted spatial audio parameters and associated spatial audio playback |
| GB2595475A (en) * | 2020-05-27 | 2021-12-01 | Nokia Technologies Oy | Spatial audio representation and rendering |
-
2020
- 2020-06-15 CN CN202080057545.XA patent/CN114270437B/zh active Active
- 2020-06-15 WO PCT/EP2020/066456 patent/WO2020249815A2/en not_active Ceased
- 2020-06-15 KR KR1020227001443A patent/KR102798446B1/ko active Active
- 2020-06-15 CA CA3193359A patent/CA3193359A1/en active Pending
- 2020-06-15 AU AU2020291190A patent/AU2020291190B2/en active Active
- 2020-06-15 EP EP24166906.8A patent/EP4398243B1/en active Active
- 2020-06-15 TW TW109120318A patent/TWI792006B/zh active
- 2020-06-15 EP EP20732888.1A patent/EP3984028B1/en active Active
- 2020-06-15 KR KR1020227003867A patent/KR102799690B1/ko active Active
- 2020-06-15 BR BR112021025265A patent/BR112021025265A2/pt unknown
- 2020-06-15 KR KR1020227003875A patent/KR102745647B1/ko active Active
- 2020-06-15 MX MX2021015314A patent/MX2021015314A/es unknown
- 2020-06-15 ES ES20732888T patent/ES2980822T3/es active Active
- 2020-06-15 CN CN202411768552.7A patent/CN119541509A/zh active Pending
- 2020-06-15 JP JP2021573912A patent/JP7471326B2/ja active Active
- 2020-06-15 TW TW112100738A patent/TWI843389B/zh active
- 2020-06-15 CA CA3143408A patent/CA3143408C/en active Active
- 2020-06-15 PL PL20732888.1T patent/PL3984028T3/pl unknown
-
2021
- 2021-12-10 ZA ZA2021/10293A patent/ZA202110293B/en unknown
- 2021-12-14 AU AU2021286309A patent/AU2021286309B2/en active Active
- 2021-12-14 US US17/550,931 patent/US12277941B2/en active Active
- 2021-12-14 US US17/550,953 patent/US12266372B2/en active Active
- 2021-12-14 AU AU2021286307A patent/AU2021286307C1/en active Active
- 2021-12-14 US US17/550,905 patent/US11990142B2/en active Active
-
2023
- 2023-12-21 JP JP2023215842A patent/JP7696986B2/ja active Active
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