JP7808095B2 - 音コーデックにおける、非相関ステレオコンテンツの分類、クロストーク検出、およびステレオモード選択のための方法およびデバイス - Google Patents

音コーデックにおける、非相関ステレオコンテンツの分類、クロストーク検出、およびステレオモード選択のための方法およびデバイス

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JP7808095B2
JP7808095B2 JP2023515652A JP2023515652A JP7808095B2 JP 7808095 B2 JP7808095 B2 JP 7808095B2 JP 2023515652 A JP2023515652 A JP 2023515652A JP 2023515652 A JP2023515652 A JP 2023515652A JP 7808095 B2 JP7808095 B2 JP 7808095B2
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stereo
stereo mode
sound signal
mode
previous frame
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JP2023540377A (ja
JP2023540377A5 (https=
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ウラジミール・マレノフスキー
トミー・ヴァイヤンクール
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ヴォイスエイジ・コーポレーション
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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
    • 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
    • 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
    • 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)
JP2023515652A 2020-09-09 2021-09-08 音コーデックにおける、非相関ステレオコンテンツの分類、クロストーク検出、およびステレオモード選択のための方法およびデバイス Active JP7808095B2 (ja)

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 (3)

Publication Number Publication Date
JP2023540377A JP2023540377A (ja) 2023-09-22
JP2023540377A5 JP2023540377A5 (https=) 2024-09-17
JP7808095B2 true JP7808095B2 (ja) 2026-01-28

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JP2023515652A Active JP7808095B2 (ja) 2020-09-09 2021-09-08 音コーデックにおける、非相関ステレオコンテンツの分類、クロストーク検出、およびステレオモード選択のための方法およびデバイス

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=)

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* 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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JP2004509366A (ja) 2000-09-15 2004-03-25 テレフオンアクチーボラゲツト　エル　エム　エリクソン 複数チャネル信号の符号化及び復号化
JP2009524846A (ja) 2006-01-24 2009-07-02 サムスン エレクトロニクス カンパニー リミテッド 適応的時間／周波数ベース符号化モード決定装置およびこのための符号化モード決定方法
JP2011527762A (ja) 2008-07-09 2011-11-04 サムスン エレクトロニクス カンパニー リミテッド 符号化方式の決定方法及び装置
JP2013033189A (ja) 2011-07-01 2013-02-14 Sony Corp 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
JP2018513408A (ja) 2015-04-05 2018-05-24 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ エンコーダ選択
WO2019058927A1 (ja) 2017-09-25 2019-03-28 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置及び符号化方法

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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
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
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
US8041042B2 (en) * 2006-11-30 2011-10-18 Nokia Corporation Method, system, apparatus and computer program product for stereo coding
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
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
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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
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JP2003522965A (ja) 1998-12-21 2003-07-29 クゥアルコム・インコーポレイテッド 周期的スピーチコーディング
JP2004509366A (ja) 2000-09-15 2004-03-25 テレフオンアクチーボラゲツト　エル　エム　エリクソン 複数チャネル信号の符号化及び復号化
JP2009524846A (ja) 2006-01-24 2009-07-02 サムスン エレクトロニクス カンパニー リミテッド 適応的時間／周波数ベース符号化モード決定装置およびこのための符号化モード決定方法
JP2011527762A (ja) 2008-07-09 2011-11-04 サムスン エレクトロニクス カンパニー リミテッド 符号化方式の決定方法及び装置
JP2013033189A (ja) 2011-07-01 2013-02-14 Sony Corp 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
JP2018513408A (ja) 2015-04-05 2018-05-24 クゥアルコム・インコーポレイテッドＱｕａｌｃｏｍｍ Ｉｎｃｏｒｐｏｒａｔｅｄ エンコーダ選択
WO2019058927A1 (ja) 2017-09-25 2019-03-28 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置及び符号化方法

Also Published As

Publication number Publication date
MX2023002825A (es) 2023-05-30
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
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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