EP3745744A3 - Traitement audio - Google Patents
Traitement audio Download PDFInfo
- 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
Links
- 230000005236 sound signal Effects 0.000 abstract 4
- 230000001419 dependent effect Effects 0.000 abstract 2
- 238000009877 rendering Methods 0.000 abstract 1
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; DEAF-AID SETS; 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)
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 (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2587357A (en) | 2019-09-24 | 2021-03-31 | Nokia Technologies Oy | Audio processing |
CN115376530A (zh) * | 2021-05-17 | 2022-11-22 | 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 |
Citations (5)
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 (14)
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 |
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 |
GB2581119A (en) * | 2016-04-29 | 2020-08-12 | Cirrus Logic Int Semiconductor Ltd | Audio signal processing |
KR102580502B1 (ko) * | 2016-11-29 | 2023-09-21 | 삼성전자주식회사 | 전자장치 및 그 제어방법 |
-
2019
- 2019-05-29 GB GB1907601.7A patent/GB2584630A/en not_active Withdrawn
-
2020
- 2020-05-25 EP EP20176223.4A patent/EP3745744A3/fr active Pending
- 2020-05-29 CN CN202010473489.XA patent/CN112019993B/zh active Active
- 2020-05-29 CN CN202210643129.9A patent/CN115190414A/zh active Pending
Patent Citations (5)
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)
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 |
---|---|
EP3745744A2 (fr) | 2020-12-02 |
CN112019993A (zh) | 2020-12-01 |
GB201907601D0 (en) | 2019-07-10 |
CN115190414A (zh) | 2022-10-14 |
CN112019993B (zh) | 2022-06-17 |
GB2584630A (en) | 2020-12-16 |
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