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
Application number
MX2021008616A
Other languages
English (en)
Inventor
Jürgen Herre
Stefan Döhla
Fabian Küch
Stefan Bayer
Guillaume Fuchs
Oliver Thiergart
Alexandre Bouthéon
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MX2021008616A publication Critical patent/MX2021008616A/es

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
    • G10L19/02—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).
MX2021008616A 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. MX2021008616A (es)

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 (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2586126A (en) * 2019-08-02 2021-02-10 Nokia Technologies Oy MASA with embedded near-far stereo for mobile devices
WO2022079044A1 (en) * 2020-10-13 2022-04-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding a plurality of audio objects using direction information during a downmixing or apparatus and method for decoding using an optimized covariance synthesis
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
WO2022262750A1 (zh) * 2021-06-15 2022-12-22 北京字跳网络技术有限公司 音频渲染系统、方法和电子设备
EP4428857A4 (en) * 2021-11-02 2024-10-30 Beijing Xiaomi Mobile Software Co Ltd SIGNAL ENCODING AND DECODING METHOD AND APPARATUS, USER EQUIPMENT, NETWORK SIDE DEVICE, AND STORAGE MEDIUM
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
WO2024175587A1 (en) * 2023-02-23 2024-08-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal representation decoding unit and audio signal representation encoding unit

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2154677B1 (en) * 2008-08-13 2013-07-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for determining a converted spatial audio signal
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
KR102201713B1 (ko) * 2012-07-19 2021-01-12 돌비 인터네셔널 에이비 다채널 오디오 신호들의 렌더링을 향상시키기 위한 방법 및 디바이스
US9892737B2 (en) * 2013-05-24 2018-02-13 Dolby International Ab Efficient coding of audio scenes comprising audio objects
KR102363275B1 (ko) * 2014-07-02 2022-02-16 돌비 인터네셔널 에이비 Ｈｏａ 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치
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
JP6797197B2 (ja) * 2015-10-08 2020-12-09 ドルビー・インターナショナル・アーベー 圧縮された音または音場表現のための層構成の符号化
WO2017157803A1 (en) 2016-03-15 2017-09-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method or computer program for generating a sound field description
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

Also Published As

Publication number Publication date
US20210343300A1 (en) 2021-11-04
WO2020152154A1 (en) 2020-07-30
ZA202105927B (en) 2023-10-25
SG11202107802VA (en) 2021-08-30
KR20210124283A (ko) 2021-10-14
JP2022518744A (ja) 2022-03-16
TW202032538A (zh) 2020-09-01
AU2020210549B2 (en) 2023-03-16
CN113490980A (zh) 2021-10-08
BR112021014135A2 (pt) 2021-09-21
AU2020210549A1 (en) 2021-09-09
JP2024038192A (ja) 2024-03-19
CA3127528A1 (en) 2020-07-30
TWI808298B (zh) 2023-07-11
EP3915106A1 (en) 2021-12-01

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