JP2023540377A5 - - Google Patents

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Publication number
JP2023540377A5
JP2023540377A5 JP2023515652A JP2023515652A JP2023540377A5 JP 2023540377 A5 JP2023540377 A5 JP 2023540377A5 JP 2023515652 A JP2023515652 A JP 2023515652A JP 2023515652 A JP2023515652 A JP 2023515652A JP 2023540377 A5 JP2023540377 A5 JP 2023540377A5
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JP
Japan
Prior art keywords
stereo
stereo mode
mode
frame
auxiliary
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JP2023515652A
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English (en)
Japanese (ja)
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JP7808095B2 (ja
JP2023540377A (ja
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Priority claimed from PCT/CA2021/051238 external-priority patent/WO2022051846A1/en
Publication of JP2023540377A publication Critical patent/JP2023540377A/ja
Publication of JP2023540377A5 publication Critical patent/JP2023540377A5/ja
Application granted granted Critical
Publication of JP7808095B2 publication Critical patent/JP7808095B2/ja
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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 true JP2023540377A5 (https=) 2024-09-17
JP7808095B2 JP7808095B2 (ja) 2026-01-28

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ID=80629696

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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=)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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