BR112023003311A2 - Método e dispositivo para classificação de conteúdo estéreo não correlacionado, detecção de diafonia e seleção do modo estéreo em um codec de som - Google Patents
Método e dispositivo para classificação de conteúdo estéreo não correlacionado, detecção de diafonia e seleção do modo estéreo em um codec de somInfo
- Publication number
- BR112023003311A2 BR112023003311A2 BR112023003311A BR112023003311A BR112023003311A2 BR 112023003311 A2 BR112023003311 A2 BR 112023003311A2 BR 112023003311 A BR112023003311 A BR 112023003311A BR 112023003311 A BR112023003311 A BR 112023003311A BR 112023003311 A2 BR112023003311 A2 BR 112023003311A2
- Authority
- BR
- Brazil
- Prior art keywords
- stereo
- classification
- sound signal
- uncorrelated
- detection
- Prior art date
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
-
- 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
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202063075984P | 2020-09-09 | 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 |
|---|---|
| BR112023003311A2 true BR112023003311A2 (pt) | 2023-03-21 |
Family
ID=80629696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112023003311A BR112023003311A2 (pt) | 2020-09-09 | 2021-09-08 | Método e dispositivo para classificação de conteúdo estéreo não correlacionado, detecção de diafonia e seleção do modo estéreo em um codec de som |
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)
| 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)
| 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 |
-
2021
- 2021-09-08 EP EP21865422.6A patent/EP4211683B1/en active Active
- 2021-09-08 MX MX2023002825A patent/MX2023002825A/es unknown
- 2021-09-08 US US18/041,772 patent/US12494210B2/en active Active
- 2021-09-08 JP JP2023515652A patent/JP7808095B2/ja active Active
- 2021-09-08 KR KR1020237011936A patent/KR20230066056A/ko active Pending
- 2021-09-08 BR BR112023003311A patent/BR112023003311A2/pt not_active Application Discontinuation
- 2021-09-08 CA CA3192085A patent/CA3192085A1/en active Pending
- 2021-09-08 CN CN202180071762.9A patent/CN116438811A/zh active Pending
- 2021-09-08 WO PCT/CA2021/051238 patent/WO2022051846A1/en not_active Ceased
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 |
| CA3192085A1 (en) | 2022-03-17 |
| JP2023540377A (ja) | 2023-09-22 |
| US12494210B2 (en) | 2025-12-09 |
| US20240021208A1 (en) | 2024-01-18 |
| EP4211683B1 (en) | 2026-04-01 |
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Legal Events
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| B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
| B11Y | Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette] |