CL2021003533A1 - Métodos, aparatos y sistemas de representación, codificación y descodificación de datos de directividad discreta. - Google Patents
Métodos, aparatos y sistemas de representación, codificación y descodificación de datos de directividad discreta.Info
- Publication number
- CL2021003533A1 CL2021003533A1 CL2021003533A CL2021003533A CL2021003533A1 CL 2021003533 A1 CL2021003533 A1 CL 2021003533A1 CL 2021003533 A CL2021003533 A CL 2021003533A CL 2021003533 A CL2021003533 A CL 2021003533A CL 2021003533 A1 CL2021003533 A1 CL 2021003533A1
- Authority
- CL
- Chile
- Prior art keywords
- directivity
- encoding
- decoding
- methods
- discrete
- Prior art date
Links
- 239000013598 vector Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
-
- 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
-
- 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
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
-
- 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
- H04S2400/13—Aspects of volume control, not necessarily automatic, in stereophonic sound systems
-
- 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)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
La presente divulgación se refiere a un método de procesamiento de contenido de audio incluyendo información de directividad para, al menos, una fuente de sonido, la información de directividad comprendiendo un primer conjunto de primeros vectores unitarios de directividad representando direcciones de directividad y primeras ganancias de directividad asociadas. La divulgación se refiere además a métodos correspondientes de codificación y decodificación de contenido de audio incluyendo información de directividad para, al menos, una fuente de sonido.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962869622P | 2019-07-02 | 2019-07-02 | |
EP19183862 | 2019-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CL2021003533A1 true CL2021003533A1 (es) | 2022-08-19 |
Family
ID=71138767
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CL2021003533A CL2021003533A1 (es) | 2019-07-02 | 2021-12-28 | Métodos, aparatos y sistemas de representación, codificación y descodificación de datos de directividad discreta. |
Country Status (13)
Country | Link |
---|---|
US (2) | US11902769B2 (es) |
EP (1) | EP3994689B1 (es) |
JP (1) | JP2022539217A (es) |
KR (1) | KR20220028021A (es) |
CN (3) | CN114127843B (es) |
AU (1) | AU2020299973A1 (es) |
BR (1) | BR112021026522A2 (es) |
CA (1) | CA3145444A1 (es) |
CL (1) | CL2021003533A1 (es) |
IL (1) | IL289261B2 (es) |
MX (1) | MX2021016056A (es) |
TW (1) | TW202117705A (es) |
WO (1) | WO2021001358A1 (es) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR112023024605A2 (pt) * | 2021-05-27 | 2024-02-20 | Fraunhofer Ges Forschung | Aparelho e método para decodificação de um sinal de áudio codificado em um fluxo de bits, aparelho para organizar um sinal de áudio, unidade de armazenamento não transitória e fluxo de bits |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030170006A1 (en) | 2002-03-08 | 2003-09-11 | Bogda Peter B. | Versatile video player |
CA2552125C (en) | 2005-07-19 | 2015-09-01 | General Mills Marketing, Inc. | Dough compostions for extended shelf life baked articles |
DE102007018484B4 (de) | 2007-03-20 | 2009-06-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Senden einer Folge von Datenpaketen und Decodierer und Vorrichtung zum Decodieren einer Folge von Datenpaketen |
CA2691993C (en) | 2007-06-11 | 2015-01-27 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder for encoding an audio signal having an impulse-like portion and stationary portion, encoding methods, decoder, decoding method, and encoded audio signal |
ES2435792T3 (es) | 2008-12-15 | 2013-12-23 | Orange | Codificación perfeccionada de señales digitales de audio multicanal |
JP2011221688A (ja) | 2010-04-07 | 2011-11-04 | Sony Corp | 認識装置、認識方法、およびプログラム |
EP2450880A1 (en) | 2010-11-05 | 2012-05-09 | Thomson Licensing | Data structure for Higher Order Ambisonics audio data |
TR201903388T4 (tr) | 2011-02-14 | 2019-04-22 | Fraunhofer Ges Forschung | Bir ses sinyalinin parçalarının darbe konumlarının şifrelenmesi ve çözülmesi. |
TWI543642B (zh) | 2011-07-01 | 2016-07-21 | 杜比實驗室特許公司 | 用於適應性音頻信號的產生、譯碼與呈現之系統與方法 |
EP2600637A1 (en) * | 2011-12-02 | 2013-06-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for microphone positioning based on a spatial power density |
US9131305B2 (en) | 2012-01-17 | 2015-09-08 | LI Creative Technologies, Inc. | Configurable three-dimensional sound system |
EP2688066A1 (en) | 2012-07-16 | 2014-01-22 | Thomson Licensing | Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction |
US9197962B2 (en) * | 2013-03-15 | 2015-11-24 | Mh Acoustics Llc | Polyhedral audio system based on at least second-order eigenbeams |
CN104464739B (zh) * | 2013-09-18 | 2017-08-11 | 华为技术有限公司 | 音频信号处理方法及装置、差分波束形成方法及装置 |
EP2863386A1 (en) | 2013-10-18 | 2015-04-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, apparatus for generating encoded audio output data and methods permitting initializing a decoder |
EP2960903A1 (en) | 2014-06-27 | 2015-12-30 | Thomson Licensing | Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values |
US10693936B2 (en) | 2015-08-25 | 2020-06-23 | Qualcomm Incorporated | Transporting coded audio data |
CN106093866A (zh) | 2016-05-27 | 2016-11-09 | 南京大学 | 一种适用于空心球阵列的声源定位方法 |
WO2017218973A1 (en) | 2016-06-17 | 2017-12-21 | Edward Stein | Distance panning using near / far-field rendering |
CN105976822B (zh) | 2016-07-12 | 2019-12-03 | 西北工业大学 | 基于参数化超增益波束形成器的音频信号提取方法及装置 |
MC200185B1 (fr) * | 2016-09-16 | 2017-10-04 | Coronal Audio | Dispositif et procédé de captation et traitement d'un champ acoustique tridimensionnel |
EP3297298B1 (en) | 2016-09-19 | 2020-05-06 | A-Volute | Method for reproducing spatially distributed sounds |
CN108419174B (zh) | 2018-01-24 | 2020-05-22 | 北京大学 | 一种基于扬声器阵列的虚拟听觉环境可听化实现方法及系统 |
-
2020
- 2020-06-30 JP JP2021578040A patent/JP2022539217A/ja active Pending
- 2020-06-30 AU AU2020299973A patent/AU2020299973A1/en active Pending
- 2020-06-30 US US17/621,547 patent/US11902769B2/en active Active
- 2020-06-30 CA CA3145444A patent/CA3145444A1/en active Pending
- 2020-06-30 CN CN202080052257.5A patent/CN114127843B/zh active Active
- 2020-06-30 EP EP20734565.3A patent/EP3994689B1/en active Active
- 2020-06-30 MX MX2021016056A patent/MX2021016056A/es unknown
- 2020-06-30 BR BR112021026522A patent/BR112021026522A2/pt unknown
- 2020-06-30 CN CN202310892063.1A patent/CN116978387A/zh active Pending
- 2020-06-30 WO PCT/EP2020/068380 patent/WO2021001358A1/en unknown
- 2020-06-30 KR KR1020227002986A patent/KR20220028021A/ko unknown
- 2020-06-30 CN CN202310892061.2A patent/CN116959461A/zh active Pending
- 2020-07-02 TW TW109122445A patent/TW202117705A/zh unknown
-
2021
- 2021-12-22 IL IL289261A patent/IL289261B2/en unknown
- 2021-12-28 CL CL2021003533A patent/CL2021003533A1/es unknown
-
2024
- 2024-01-11 US US18/410,891 patent/US20240223984A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3994689B1 (en) | 2024-01-03 |
US11902769B2 (en) | 2024-02-13 |
MX2021016056A (es) | 2022-03-11 |
JP2022539217A (ja) | 2022-09-07 |
IL289261A (en) | 2022-02-01 |
US20240223984A1 (en) | 2024-07-04 |
KR20220028021A (ko) | 2022-03-08 |
CN114127843B (zh) | 2023-08-11 |
TW202117705A (zh) | 2021-05-01 |
US20220377484A1 (en) | 2022-11-24 |
IL289261B1 (en) | 2024-03-01 |
EP3994689A1 (en) | 2022-05-11 |
CN114127843A (zh) | 2022-03-01 |
BR112021026522A2 (pt) | 2022-02-15 |
IL289261B2 (en) | 2024-07-01 |
CN116959461A (zh) | 2023-10-27 |
AU2020299973A1 (en) | 2022-01-27 |
WO2021001358A1 (en) | 2021-01-07 |
CA3145444A1 (en) | 2021-01-07 |
CN116978387A (zh) | 2023-10-31 |
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