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 (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI804004B (zh) * 2020-10-13 2023-06-01 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、及電腦程式
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
CN115552518A (zh) * 2021-11-02 2022-12-30 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 (12)

* 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
ES2640815T3 (es) * 2013-05-24 2017-11-06 Dolby International Ab Codificación eficiente de escenas de audio que comprenden objetos de audio
JP2017523452A (ja) * 2014-07-02 2017-08-17 ドルビー・インターナショナル・アーベー Ｈｏａ信号表現のサブバンド内の優勢な方向性信号の方向のエンコード／デコードのための方法および装置
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
MX2020011754A (es) * 2015-10-08 2022-05-19 Dolby Int Ab Codificacion en capas para representaciones de sonido o campo de sonido comprimidas.
BR112018007276A2 (pt) 2016-03-15 2018-10-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. aparelho, método ou programa de computador para gerar uma descrição de campo de som
GB2559765A (en) * 2017-02-17 2018-08-22 Nokia Technologies Oy Two stage audio focus for spatial audio processing
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
TW202032538A (zh) 2020-09-01
WO2020152154A1 (en) 2020-07-30
CN113490980A (zh) 2021-10-08
BR112021014135A2 (pt) 2021-09-21
JP2024038192A (ja) 2024-03-19
US20210343300A1 (en) 2021-11-04
JP2022518744A (ja) 2022-03-16
TWI808298B (zh) 2023-07-11
CA3127528A1 (en) 2020-07-30
ZA202105927B (en) 2023-10-25
AU2020210549A1 (en) 2021-09-09
KR20210124283A (ko) 2021-10-14
AU2020210549B2 (en) 2023-03-16
SG11202107802VA (en) 2021-08-30
EP3915106A1 (en) 2021-12-01

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