MX2021008616A - Aparato y método para codificar una representación de audio espacial o aparato y método para decodificar una señal de audio codificada utilizando metadatos de transporte y programas de computadora relacionados. - Google Patents
Aparato y método para codificar una representación de audio espacial o aparato y método para decodificar una señal de audio codificada utilizando metadatos de transporte y programas de computadora relacionados.Info
- Publication number
- MX2021008616A MX2021008616A MX2021008616A MX2021008616A MX2021008616A MX 2021008616 A MX2021008616 A MX 2021008616A MX 2021008616 A MX2021008616 A MX 2021008616A MX 2021008616 A MX2021008616 A MX 2021008616A MX 2021008616 A MX2021008616 A MX 2021008616A
- Authority
- MX
- Mexico
- Prior art keywords
- representation
- transport
- audio signal
- encoding
- decoding
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 4
- 238000000034 method Methods 0.000 title 2
- 238000004590 computer program Methods 0.000 title 1
Classifications
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- 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
- G10L19/008—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
- G10L19/26—Pre-filtering or post-filtering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- 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
- H04S7/307—Frequency adjustment, e.g. tone control
-
- 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
- H04S2420/11—Application of ambisonics in stereophonic audio systems
-
- 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
- H04S2420/13—Application of wave-field synthesis in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un aparato para codificar una representación de audio espacial que representa una escena de audio para obtener una señal de audio codificada, comprende: un generador de representación de transporte (600) para generar una representación de transporte (611) a partir de la representación de audio espacial, y para generar metadatos de transporte (610) relacionados con la generación de la representación de transporte (611) o para indicar una o más propiedades direccionales de la representación de transporte (611); y una interfaz de salida (640) para generar la señal de audio codificada, la señal de audio codificada que comprende información sobre la representación de transporte (611) e información sobre los metadatos de transporte (610).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19152911 | 2019-01-21 | ||
PCT/EP2020/051396 WO2020152154A1 (en) | 2019-01-21 | 2020-01-21 | Apparatus and method for encoding a spatial audio representation or apparatus and method for decoding an encoded audio signal using transport metadata and related computer programs |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2021008616A true MX2021008616A (es) | 2021-10-13 |
Family
ID=65236852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2021008616A MX2021008616A (es) | 2019-01-21 | 2020-01-21 | Aparato y método para codificar una representación de audio espacial o aparato y método para decodificar una señal de audio codificada utilizando metadatos de transporte y programas de computadora relacionados. |
Country Status (13)
Country | Link |
---|---|
US (1) | US20210343300A1 (es) |
EP (1) | EP3915106A1 (es) |
JP (2) | JP2022518744A (es) |
KR (1) | KR20210124283A (es) |
CN (1) | CN113490980A (es) |
AU (1) | AU2020210549B2 (es) |
BR (1) | BR112021014135A2 (es) |
CA (1) | CA3127528A1 (es) |
MX (1) | MX2021008616A (es) |
SG (1) | SG11202107802VA (es) |
TW (1) | TWI808298B (es) |
WO (1) | WO2020152154A1 (es) |
ZA (1) | ZA202105927B (es) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW202316416A (zh) * | 2020-10-13 | 2023-04-16 | 弗勞恩霍夫爾協會 | 在降混過程中使用方向資訊對多個音頻對象進行編碼的設備和方法、或使用優化共變異數合成進行解碼的設備和方法 |
CN112259110B (zh) * | 2020-11-17 | 2022-07-01 | 北京声智科技有限公司 | 音频编码方法及装置、音频解码方法及装置 |
CN114582357A (zh) * | 2020-11-30 | 2022-06-03 | 华为技术有限公司 | 一种音频编解码方法和装置 |
GB2605190A (en) * | 2021-03-26 | 2022-09-28 | Nokia Technologies Oy | Interactive audio rendering of a spatial stream |
CN117501362A (zh) * | 2021-06-15 | 2024-02-02 | 北京字跳网络技术有限公司 | 音频渲染***、方法和电子设备 |
WO2023077284A1 (zh) * | 2021-11-02 | 2023-05-11 | 北京小米移动软件有限公司 | 一种信号编解码方法、装置、用户设备、网络侧设备及存储介质 |
WO2023147864A1 (en) * | 2022-02-03 | 2023-08-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method to transform an audio stream |
WO2023210978A1 (ko) * | 2022-04-28 | 2023-11-02 | 삼성전자 주식회사 | 다채널 오디오 신호 처리 장치 및 방법 |
JP2024026010A (ja) * | 2022-08-15 | 2024-02-28 | パナソニックIpマネジメント株式会社 | 音場再現装置、音場再現方法及び音場再現システム |
US20240098439A1 (en) * | 2022-09-15 | 2024-03-21 | Sony Interactive Entertainment Inc. | Multi-order optimized ambisonics encoding |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2425814T3 (es) * | 2008-08-13 | 2013-10-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato para determinar una señal de audio espacial convertida |
EP2249334A1 (en) * | 2009-05-08 | 2010-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio format transcoder |
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 |
KR20230137492A (ko) * | 2012-07-19 | 2023-10-04 | 돌비 인터네셔널 에이비 | 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스 |
RU2630754C2 (ru) * | 2013-05-24 | 2017-09-12 | Долби Интернешнл Аб | Эффективное кодирование звуковых сцен, содержащих звуковые объекты |
US9800986B2 (en) * | 2014-07-02 | 2017-10-24 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation |
TWI587286B (zh) * | 2014-10-31 | 2017-06-11 | 杜比國際公司 | 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體 |
EP4216212A1 (en) * | 2015-10-08 | 2023-07-26 | Dolby International AB | Layered coding for compressed sound or sound field represententations |
RU2687882C1 (ru) | 2016-03-15 | 2019-05-16 | Фраунхофер-Гезеллшафт Цур Фёрдерунг Дер Ангевандтен Форшунг Е.В. | Устройство, способ формирования характеристики звукового поля и машиночитаемый носитель информации |
GB2559765A (en) * | 2017-02-17 | 2018-08-22 | Nokia Technologies Oy | Two stage audio focus for spatial audio processing |
WO2018162803A1 (en) * | 2017-03-09 | 2018-09-13 | Aalto University Foundation Sr | Method and arrangement for parametric analysis and processing of ambisonically encoded spatial sound scenes |
GB2572420A (en) * | 2018-03-29 | 2019-10-02 | Nokia Technologies Oy | Spatial sound rendering |
GB2572650A (en) * | 2018-04-06 | 2019-10-09 | Nokia Technologies Oy | Spatial audio parameters and associated spatial audio playback |
GB2576769A (en) * | 2018-08-31 | 2020-03-04 | Nokia Technologies Oy | Spatial parameter signalling |
GB2587335A (en) * | 2019-09-17 | 2021-03-31 | Nokia Technologies Oy | Direction estimation enhancement for parametric spatial audio capture using broadband estimates |
-
2020
- 2020-01-21 CN CN202080010287.XA patent/CN113490980A/zh active Pending
- 2020-01-21 CA CA3127528A patent/CA3127528A1/en active Pending
- 2020-01-21 EP EP20700746.9A patent/EP3915106A1/en active Pending
- 2020-01-21 JP JP2021542163A patent/JP2022518744A/ja active Pending
- 2020-01-21 BR BR112021014135-9A patent/BR112021014135A2/pt unknown
- 2020-01-21 AU AU2020210549A patent/AU2020210549B2/en active Active
- 2020-01-21 WO PCT/EP2020/051396 patent/WO2020152154A1/en active Search and Examination
- 2020-01-21 TW TW109102256A patent/TWI808298B/zh active
- 2020-01-21 SG SG11202107802VA patent/SG11202107802VA/en unknown
- 2020-01-21 KR KR1020217026835A patent/KR20210124283A/ko not_active Application Discontinuation
- 2020-01-21 MX MX2021008616A patent/MX2021008616A/es unknown
-
2021
- 2021-07-14 US US17/375,465 patent/US20210343300A1/en active Pending
- 2021-08-18 ZA ZA2021/05927A patent/ZA202105927B/en unknown
-
2023
- 2023-12-28 JP JP2023222169A patent/JP2024038192A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
TW202032538A (zh) | 2020-09-01 |
CN113490980A (zh) | 2021-10-08 |
BR112021014135A2 (pt) | 2021-09-21 |
AU2020210549B2 (en) | 2023-03-16 |
ZA202105927B (en) | 2023-10-25 |
TWI808298B (zh) | 2023-07-11 |
WO2020152154A1 (en) | 2020-07-30 |
SG11202107802VA (en) | 2021-08-30 |
US20210343300A1 (en) | 2021-11-04 |
CA3127528A1 (en) | 2020-07-30 |
JP2022518744A (ja) | 2022-03-16 |
JP2024038192A (ja) | 2024-03-19 |
EP3915106A1 (en) | 2021-12-01 |
AU2020210549A1 (en) | 2021-09-09 |
KR20210124283A (ko) | 2021-10-14 |
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