MX2023003962A - Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando una conversion de parametros. - Google Patents

Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando una conversion de parametros.

Info

Publication number
MX2023003962A
MX2023003962A MX2023003962A MX2023003962A MX2023003962A MX 2023003962 A MX2023003962 A MX 2023003962A MX 2023003962 A MX2023003962 A MX 2023003962A MX 2023003962 A MX2023003962 A MX 2023003962A MX 2023003962 A MX2023003962 A MX 2023003962A
Authority
MX
Mexico
Prior art keywords
audio scene
encoded audio
processing
parameters
computer program
Prior art date
Application number
MX2023003962A
Other languages
English (en)
Inventor
Stefan Döhla
Stefan Bayer
Guillaume Fuchs
Markus Multrus
Eleni Fotopoulou
Jan Büthe
Franz Reutelhuber
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 MX2023003962A publication Critical patent/MX2023003962A/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
    • G10L19/008—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 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • 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
    • H04S7/303—Tracking of listener position or orientation
    • 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
    • H04S2400/15—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
    • 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
    • H04S2420/07—Synergistic effects of band splitting and sub-band processing

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

Un aparato para procesar una escena de audio codificada (130) que representa un campo de sonido relacionado con una posición de oyente virtual, la escena de audio codificada comprende información en una señal de transporte (122) y un primer conjunto de parámetros (112) relacionados con la posición de oyente virtual comprende un convertidor de parámetros (110) para convertir el primer conjunto de parámetros (112) en un segundo conjunto de parámetros (114) relacionados con una representación de canal que comprende dos o más canales para una reproducción en posiciones espaciales predefinidas para dichos dos o más canales, y una interfaz de salida (120) para generar una escena de audio procesada (124) utilizando el segundo conjunto de parámetros y la información en la señal de transporte (122).
MX2023003962A 2020-10-09 2021-10-08 Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando una conversion de parametros. MX2023003962A (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP20201093 2020-10-09
EP20207515 2020-11-13
EP21180863 2021-06-22
PCT/EP2021/077872 WO2022074200A2 (en) 2020-10-09 2021-10-08 Apparatus, method, or computer program for processing an encoded audio scene using a parameter conversion

Publications (1)

Publication Number Publication Date
MX2023003962A true MX2023003962A (es) 2023-05-25

Family

ID=78085944

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2023003962A MX2023003962A (es) 2020-10-09 2021-10-08 Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando una conversion de parametros.

Country Status (11)

Country Link
US (1) US20230238006A1 (es)
EP (1) EP4226365A2 (es)
JP (1) JP2023549038A (es)
KR (1) KR20230084251A (es)
AU (1) AU2021358432A1 (es)
BR (1) BR112023006291A2 (es)
CA (1) CA3194884A1 (es)
MX (1) MX2023003962A (es)
TW (1) TWI803998B (es)
WO (1) WO2022074200A2 (es)
ZA (1) ZA202304059B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2610845A (en) * 2021-09-17 2023-03-22 Nokia Technologies Oy A method and apparatus for communication audio handling in immersive audio scene rendering

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1041539A4 (en) * 1997-12-08 2001-09-19 Mitsubishi Electric Corp METHOD AND DEVICE FOR PROCESSING THE SOUND SIGNAL
JP4809370B2 (ja) * 2005-02-23 2011-11-09 テレフオンアクチーボラゲット エル エム エリクソン（パブル） マルチチャネル音声符号化における適応ビット割り当て
US7983922B2 (en) * 2005-04-15 2011-07-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing
KR100947421B1 (ko) * 2005-04-22 2010-03-12 콸콤 인코포레이티드 이득 계수 평활화를 위한 시스템, 방법, 및 장치
RU2550525C2 (ru) * 2009-04-08 2015-05-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Аппаратный блок, способ и компьютерная программа для преобразования расширения сжатого аудио сигнала с помощью сглаженного значения фазы
CN101958121A (zh) * 2009-12-15 2011-01-26 铜陵市维新投资咨询有限公司 一种语音数据压缩方法
EP2346028A1 (en) * 2009-12-17 2011-07-20 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. An apparatus and a method for converting a first parametric spatial audio signal into a second parametric spatial audio signal
BR112017025314A2 (pt) 2016-01-22 2018-07-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. aparelho e método para codificação ou decodificação de um sinal multicanal utilizando reamostragem de domínio espectral
CN105931649A (zh) * 2016-03-31 2016-09-07 欧仕达听力科技（厦门）有限公司 基于频谱分析的超低时延音频处理方法与***
US10433076B2 (en) * 2016-05-30 2019-10-01 Oticon A/S Audio processing device and a method for estimating a signal-to-noise-ratio of a sound signal
CA3042580C (en) * 2016-11-08 2022-05-03 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for downmixing or upmixing a multichannel signal using phase compensation
JP7161233B2 (ja) 2017-07-28 2022-10-26 フラウンホーファー－ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 広帯域フィルタによって生成される補充信号を使用して、エンコードされたマルチチャネル信号をエンコードまたはデコードするための装置
EP3588495A1 (en) * 2018-06-22 2020-01-01 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. Multichannel audio coding
KR102599744B1 (ko) 2018-12-07 2023-11-08 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 방향 컴포넌트 보상을 사용하는 DirAC 기반 공간 오디오 코딩과 관련된 인코딩, 디코딩, 장면 처리 및 기타 절차를 위한 장치, 방법 및 컴퓨터 프로그램

Also Published As

Publication number Publication date
WO2022074200A3 (en) 2022-05-19
TW202230334A (zh) 2022-08-01
ZA202304059B (en) 2023-10-25
EP4226365A2 (en) 2023-08-16
TWI803998B (zh) 2023-06-01
JP2023549038A (ja) 2023-11-22
US20230238006A1 (en) 2023-07-27
AU2021358432A1 (en) 2023-05-18
KR20230084251A (ko) 2023-06-12
WO2022074200A2 (en) 2022-04-14
BR112023006291A2 (pt) 2023-05-09
CA3194884A1 (en) 2022-04-14

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