EP3745744A3 - Traitement audio - Google Patents

Traitement audio Download PDF

Info

Publication number
EP3745744A3
EP3745744A3 EP20176223.4A EP20176223A EP3745744A3 EP 3745744 A3 EP3745744 A3 EP 3745744A3 EP 20176223 A EP20176223 A EP 20176223A EP 3745744 A3 EP3745744 A3 EP 3745744A3
Authority
EP
European Patent Office
Prior art keywords
signal component
cross
input
signal
channel mixing
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP20176223.4A
Other languages
German (de)
English (en)
Other versions
EP3745744A2 (fr
Inventor
Riitta VÄÄNÄNEN
Sampo VESA
Mikko-Ville Laitinen
Jussi Virolainen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Technologies Oy
Original Assignee
Nokia Technologies Oy
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 Nokia Technologies Oy filed Critical Nokia Technologies Oy
Publication of EP3745744A2 publication Critical patent/EP3745744A2/fr
Publication of EP3745744A3 publication Critical patent/EP3745744A3/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H04S3/004—For headphones
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • H04S7/306—For headphones
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/01—Input selection or mixing for amplifiers or loudspeakers
    • 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
    • H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

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)
EP20176223.4A 2019-05-29 2020-05-25 Traitement audio Pending EP3745744A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1907601.7A GB2584630A (en) 2019-05-29 2019-05-29 Audio processing

Publications (2)

Publication Number Publication Date
EP3745744A2 EP3745744A2 (fr) 2020-12-02
EP3745744A3 true EP3745744A3 (fr) 2021-03-31

Family

ID=67385512

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20176223.4A Pending EP3745744A3 (fr) 2019-05-29 2020-05-25 Traitement audio

Country Status (3)

Country Link
EP (1) EP3745744A3 (fr)
CN (2) CN112019993B (fr)
GB (1) GB2584630A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2587357A (en) 2019-09-24 2021-03-31 Nokia Technologies Oy Audio processing
CN115376530B (zh) * 2021-05-17 2026-05-22 华为技术有限公司 三维音频信号编码方法、装置和编码器
CN113473352B (zh) * 2021-07-06 2023-06-20 北京达佳互联信息技术有限公司 双声道音频后处理的方法和装置
GB2622386A (en) * 2022-09-14 2024-03-20 Nokia Technologies Oy Apparatus, methods and computer programs for spatial processing audio scenes
CN118764815B (zh) * 2024-08-02 2025-08-12 湖南芒果融创科技有限公司 一种虚拟现实空间的音频渲染方法及设备
CN120751331B (zh) * 2025-08-29 2025-12-26 浙江零跑科技股份有限公司 音频处理方法、装置及音频输出系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1194007A2 (fr) * 2000-09-29 2002-04-03 Nokia Corporation Procédé et dispositif processeur de signal pour convertir des signaux stéréo pour l'écoute avec casque
US20040136554A1 (en) * 2002-11-22 2004-07-15 Nokia Corporation Equalization of the output in a stereo widening network
US8374365B2 (en) * 2006-05-17 2013-02-12 Creative Technology Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion
US20140270185A1 (en) * 2013-03-13 2014-09-18 Dts Llc System and methods for processing stereo audio content
US20150256958A1 (en) * 2012-09-27 2015-09-10 Sonic Emotion Labs Method and system for playing back an audio signal

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6091894A (en) * 1995-12-15 2000-07-18 Kabushiki Kaisha Kawai Gakki Seisakusho Virtual sound source positioning apparatus
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
US7991176B2 (en) * 2004-11-29 2011-08-02 Nokia Corporation Stereo widening network for two loudspeakers
CN101243488B (zh) * 2005-06-30 2012-05-30 Lg电子株式会社 用于编码和解码音频信号的装置及其方法
US8619998B2 (en) * 2006-08-07 2013-12-31 Creative Technology Ltd Spatial audio enhancement processing method and apparatus
JP5007563B2 (ja) * 2006-12-28 2012-08-22 ソニー株式会社 音楽編集装置および方法、並びに、プログラム
WO2009046460A2 (fr) * 2007-10-04 2009-04-09 Creative Technology Ltd Codeur et décodeur stéréo 3d en amplitude de phase
CN101184349A (zh) * 2007-10-10 2008-05-21 昊迪移通(北京)技术有限公司 针对双声道耳机设备的三维环响音效技术
US8144902B2 (en) * 2007-11-27 2012-03-27 Microsoft Corporation Stereo image widening
EP2154911A1 (fr) * 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Appareil pour déterminer un signal audio multi-canal de sortie spatiale
EP2830333A1 (fr) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Décorrélateur multicanal, décodeur audio multicanal, codeur audio multicanal, procédés et programme informatique utilisant un prémélange de signaux d'entrée de décorrélateur
CN104200827B (zh) * 2014-09-05 2017-04-19 赵平 一种获得互联网音频文件的方法及装置
EP3048809B1 (fr) * 2015-01-21 2019-04-17 Nxp B.V. Système et procédé pour élargissement stéréo
WO2017187113A1 (fr) * 2016-04-29 2017-11-02 Cirrus Logic International Semiconductor Limited Traitement de signaux audio
KR102580502B1 (ko) * 2016-11-29 2023-09-21 삼성전자주식회사 전자장치 및 그 제어방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1194007A2 (fr) * 2000-09-29 2002-04-03 Nokia Corporation Procédé et dispositif processeur de signal pour convertir des signaux stéréo pour l'écoute avec casque
US20040136554A1 (en) * 2002-11-22 2004-07-15 Nokia Corporation Equalization of the output in a stereo widening network
US8374365B2 (en) * 2006-05-17 2013-02-12 Creative Technology Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion
US20150256958A1 (en) * 2012-09-27 2015-09-10 Sonic Emotion Labs Method and system for playing back an audio signal
US20140270185A1 (en) * 2013-03-13 2014-09-18 Dts Llc System and methods for processing stereo audio content

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MENZER FRITZ ET AL: "Stereo-to-Binaural Conversion Using Interaural Coherence Matching", AES CONVENTION 128; MAY 2010, AES, 60 EAST 42ND STREET, ROOM 2520 NEW YORK 10165-2520, USA, May 2010 (2010-05-01), XP040509369 *

Also Published As

Publication number Publication date
GB2584630A (en) 2020-12-16
EP3745744A2 (fr) 2020-12-02
CN112019993B (zh) 2022-06-17
CN115190414A (zh) 2022-10-14
CN112019993A (zh) 2020-12-01
GB201907601D0 (en) 2019-07-10
CN115190414B (zh) 2025-08-08

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