KR20230066056A - 사운드 코덱에 있어서 비상관 스테레오 콘텐츠의 분류, 크로스-토크 검출 및 스테레오 모드 선택을 위한 방법 및 디바이스 - Google Patents

사운드 코덱에 있어서 비상관 스테레오 콘텐츠의 분류, 크로스-토크 검출 및 스테레오 모드 선택을 위한 방법 및 디바이스 Download PDF

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Publication number
KR20230066056A
KR20230066056A KR1020237011936A KR20237011936A KR20230066056A KR 20230066056 A KR20230066056 A KR 20230066056A KR 1020237011936 A KR1020237011936 A KR 1020237011936A KR 20237011936 A KR20237011936 A KR 20237011936A KR 20230066056 A KR20230066056 A KR 20230066056A
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South Korea
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stereo
sound signal
mode
cross
uncorrelated
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KR1020237011936A
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English (en)
Korean (ko)
Inventor
블라디미르 말레노프스키
토미 베일런코트
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보이세지 코포레이션
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Pending legal-status Critical Current

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    • 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

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  • 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)
KR1020237011936A 2020-09-09 2021-09-08 사운드 코덱에 있어서 비상관 스테레오 콘텐츠의 분류, 크로스-토크 검출 및 스테레오 모드 선택을 위한 방법 및 디바이스 Pending KR20230066056A (ko)

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
KR20230066056A true KR20230066056A (ko) 2023-05-12

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KR1020237011936A Pending KR20230066056A (ko) 2020-09-09 2021-09-08 사운드 코덱에 있어서 비상관 스테레오 콘텐츠의 분류, 크로스-토크 검출 및 스테레오 모드 선택을 위한 방법 및 디바이스

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

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AU5663296A (en) * 1995-04-10 1996-10-30 Corporate Computer Systems, Inc. System for compression and decompression of audio signals fo r digital transmission
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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
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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
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MX2023002825A (es) 2023-05-30
JP7808095B2 (ja) 2026-01-28
EP4211683A1 (en) 2023-07-19
WO2022051846A1 (en) 2022-03-17
EP4211683A4 (en) 2024-08-07
CN116438811A (zh) 2023-07-14
CA3192085A1 (en) 2022-03-17
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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