CA3192085A1 - Method and device for classification of uncorrelated stereo content, cross-talk detection, and stereo mode selection in a sound codec - Google Patents

Method and device for classification of uncorrelated stereo content, cross-talk detection, and stereo mode selection in a sound codec

Info

Publication number
CA3192085A1
CA3192085A1 CA3192085A CA3192085A CA3192085A1 CA 3192085 A1 CA3192085 A1 CA 3192085A1 CA 3192085 A CA3192085 A CA 3192085A CA 3192085 A CA3192085 A CA 3192085A CA 3192085 A1 CA3192085 A1 CA 3192085A1
Authority
CA
Canada
Prior art keywords
stereo
sound signal
mode
cross
channel
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
CA3192085A
Other languages
English (en)
French (fr)
Inventor
Vladimir Malenovsky
Tommy Vaillancourt
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.)
VoiceAge Corp
Original Assignee
VoiceAge Corp
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 VoiceAge Corp filed Critical VoiceAge Corp
Publication of CA3192085A1 publication Critical patent/CA3192085A1/en
Pending legal-status Critical Current

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
    • 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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (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)
CA3192085A 2020-09-09 2021-09-08 Method and device for classification of uncorrelated stereo content, cross-talk detection, and stereo mode selection in a sound codec Pending CA3192085A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202063075984P 2020-09-09 2020-09-09
US63/075,984 2020-09-09
PCT/CA2021/051238 WO2022051846A1 (en) 2020-09-09 2021-09-08 Method and device for classification of uncorrelated stereo content, cross-talk detection, and stereo mode selection in a sound codec

Publications (1)

Publication Number Publication Date
CA3192085A1 true CA3192085A1 (en) 2022-03-17

Family

ID=80629696

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3192085A Pending CA3192085A1 (en) 2020-09-09 2021-09-08 Method and device for classification of uncorrelated stereo content, cross-talk detection, and stereo mode selection in a sound codec

Country Status (9)

Country Link
US (1) US12494210B2 (https=)
EP (1) EP4211683B1 (https=)
JP (1) JP7808095B2 (https=)
KR (1) KR20230066056A (https=)
CN (1) CN116438811A (https=)
BR (1) BR112023003311A2 (https=)
CA (1) CA3192085A1 (https=)
MX (1) MX2023002825A (https=)
WO (1) WO2022051846A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12341621B1 (en) * 2022-01-31 2025-06-24 Zoom Communications, Inc. Audio capture device selection for in-person conference participants

Family Cites Families (23)

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JP3207281B2 (ja) 1993-02-12 2001-09-10 株式会社東芝 ステレオ音声符号化・復号化方式、ステレオ音声復号化装置及び単独発言／複数同時発言判別装置
AU5663296A (en) * 1995-04-10 1996-10-30 Corporate Computer Systems, Inc. System for compression and decompression of audio signals fo r digital transmission
US6456964B2 (en) 1998-12-21 2002-09-24 Qualcomm, Incorporated Encoding of periodic speech using prototype waveforms
US6151571A (en) * 1999-08-31 2000-11-21 Andersen Consulting System, method and article of manufacture for detecting emotion in voice signals through analysis of a plurality of voice signal parameters
SE519981C2 (sv) 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
KR20070065401A (ko) * 2004-09-23 2007-06-22 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 데이터를 처리하는 시스템 및 방법, 프로그램구성요소, 및 컴퓨터-판독가능 매체
US7599840B2 (en) * 2005-07-15 2009-10-06 Microsoft Corporation Selectively using multiple entropy models in adaptive coding and decoding
KR20070077652A (ko) 2006-01-24 2007-07-27 삼성전자주식회사 적응적 시간/주파수 기반 부호화 모드 결정 장치 및 이를위한 부호화 모드 결정 방법
US8041042B2 (en) * 2006-11-30 2011-10-18 Nokia Corporation Method, system, apparatus and computer program product for stereo coding
KR20100006492A (ko) 2008-07-09 2010-01-19 삼성전자주식회사 부호화 방식 결정 방법 및 장치
KR101600082B1 (ko) * 2009-01-29 2016-03-04 삼성전자주식회사 오디오 신호의 음질 평가 방법 및 장치
CN101615910B (zh) * 2009-05-31 2010-12-22 华为技术有限公司 压缩编码的方法、装置和设备以及压缩解码方法
PT2633521T (pt) * 2010-10-25 2018-11-13 Voiceage Corp Codificação de sinais áudio genéricos com baixos débitos binários e pouco atraso
JP6061121B2 (ja) 2011-07-01 2017-01-18 ソニー株式会社 オーディオ符号化装置、オーディオ符号化方法、およびプログラム
WO2013149671A1 (en) * 2012-04-05 2013-10-10 Huawei Technologies Co., Ltd. Multi-channel audio encoder and method for encoding a multi-channel audio signal
TWI612518B (zh) * 2012-11-13 2018-01-21 Samsung Electronics Co., Ltd. 編碼模式決定方法、音訊編碼方法以及音訊解碼方法
EP3067886A1 (en) * 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
US9886963B2 (en) 2015-04-05 2018-02-06 Qualcomm Incorporated Encoder selection
WO2016184958A1 (en) 2015-05-20 2016-11-24 Telefonaktiebolaget Lm Ericsson (Publ) Coding of multi-channel audio signals
US10319385B2 (en) 2015-09-25 2019-06-11 Voiceage Corporation Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budget
US9888318B2 (en) * 2015-11-25 2018-02-06 Mediatek, Inc. Method, system and circuits for headset crosstalk reduction
US11145316B2 (en) 2017-06-01 2021-10-12 Panasonic Intellectual Property Corporation Of America Encoder and encoding method for selecting coding mode for audio channels based on interchannel correlation
US11270710B2 (en) * 2017-09-25 2022-03-08 Panasonic Intellectual Property Corporation Of America Encoder and encoding method

Also Published As

Publication number Publication date
MX2023002825A (es) 2023-05-30
JP7808095B2 (ja) 2026-01-28
EP4211683A1 (en) 2023-07-19
KR20230066056A (ko) 2023-05-12
WO2022051846A1 (en) 2022-03-17
EP4211683A4 (en) 2024-08-07
CN116438811A (zh) 2023-07-14
JP2023540377A (ja) 2023-09-22
US12494210B2 (en) 2025-12-09
US20240021208A1 (en) 2024-01-18
BR112023003311A2 (pt) 2023-03-21
EP4211683B1 (en) 2026-04-01

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