CA3014675A1 - Audio processing for temporally mismatched signals - Google Patents
Audio processing for temporally mismatched signals Download PDFInfo
- Publication number
- CA3014675A1 CA3014675A1 CA3014675A CA3014675A CA3014675A1 CA 3014675 A1 CA3014675 A1 CA 3014675A1 CA 3014675 A CA3014675 A CA 3014675A CA 3014675 A CA3014675 A CA 3014675A CA 3014675 A1 CA3014675 A1 CA 3014675A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- encoded
- value
- shift
- audio signal
- 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
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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
- G10L19/002—Dynamic bit allocation
-
- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Stereophonic System (AREA)
- Transmitters (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662310611P | 2016-03-18 | 2016-03-18 | |
| US62/310,611 | 2016-03-18 | ||
| US15/461,356 US10210871B2 (en) | 2016-03-18 | 2017-03-16 | Audio processing for temporally mismatched signals |
| US15/461,356 | 2017-03-16 | ||
| PCT/US2017/023026 WO2017161309A1 (en) | 2016-03-18 | 2017-03-17 | Audio processing for temporally mismatched signals |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3249661A Division CA3249661A1 (en) | 2016-03-18 | 2017-03-17 | Audio processing for temporally mismatched signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3014675A1 true CA3014675A1 (en) | 2017-09-21 |
Family
ID=59847109
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3014675A Pending CA3014675A1 (en) | 2016-03-18 | 2017-03-17 | Audio processing for temporally mismatched signals |
| CA3249661A Pending CA3249661A1 (en) | 2016-03-18 | 2017-03-17 | Audio processing for temporally mismatched signals |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3249661A Pending CA3249661A1 (en) | 2016-03-18 | 2017-03-17 | Audio processing for temporally mismatched signals |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US10210871B2 (enExample) |
| EP (2) | EP3430621B1 (enExample) |
| JP (1) | JP6978425B2 (enExample) |
| KR (2) | KR102461411B1 (enExample) |
| CN (2) | CN108780648B (enExample) |
| CA (2) | CA3014675A1 (enExample) |
| ES (1) | ES2837478T3 (enExample) |
| TW (1) | TWI743097B (enExample) |
| WO (1) | WO2017161309A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428457A (zh) * | 2018-02-12 | 2018-08-21 | 北京百度网讯科技有限公司 | 音频去重方法及装置 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3011561B1 (en) | 2013-06-21 | 2017-05-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for improved signal fade out in different domains during error concealment |
| US10210871B2 (en) * | 2016-03-18 | 2019-02-19 | Qualcomm Incorporated | Audio processing for temporally mismatched signals |
| CN108269577B (zh) | 2016-12-30 | 2019-10-22 | 华为技术有限公司 | 立体声编码方法及立体声编码器 |
| US10304468B2 (en) * | 2017-03-20 | 2019-05-28 | Qualcomm Incorporated | Target sample generation |
| CN109859766B (zh) * | 2017-11-30 | 2021-08-20 | 华为技术有限公司 | 音频编解码方法和相关产品 |
| CN112313929B (zh) * | 2018-12-27 | 2022-03-11 | 华为技术有限公司 | 一种自动切换蓝牙音频编码方式的方法及电子设备 |
| US10932122B1 (en) * | 2019-06-07 | 2021-02-23 | Sprint Communications Company L.P. | User equipment beam effectiveness |
| CN113948098B (zh) | 2020-07-17 | 2025-06-10 | 华为技术有限公司 | 一种立体声音频信号时延估计方法及装置 |
| CN113870881B (zh) * | 2021-09-26 | 2024-04-26 | 西南石油大学 | 一种鲁棒哈默斯坦子带样条自适应回声消除方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7508947B2 (en) * | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
| US7573912B2 (en) * | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
| JP5025485B2 (ja) * | 2005-10-31 | 2012-09-12 | パナソニック株式会社 | ステレオ符号化装置およびステレオ信号予測方法 |
| US8260609B2 (en) * | 2006-07-31 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
| US20080294446A1 (en) * | 2007-05-22 | 2008-11-27 | Linfeng Guo | Layer based scalable multimedia datastream compression |
| US9653088B2 (en) * | 2007-06-13 | 2017-05-16 | Qualcomm Incorporated | Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding |
| WO2010084756A1 (ja) * | 2009-01-22 | 2010-07-29 | パナソニック株式会社 | ステレオ音響信号符号化装置、ステレオ音響信号復号装置およびそれらの方法 |
| ES2415155T3 (es) * | 2009-03-17 | 2013-07-24 | Dolby International Ab | Codificación estéreo avanzada basada en una combinación de codificación estéreo izquierda/derecha o central/lateral seleccionable de manera adaptativa y de codificación estéreo paramétrica |
| BR112012009032B1 (pt) * | 2009-10-20 | 2021-09-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Codificador de sinal de áudio, decodificador de sinal de áudio, método para prover uma representação codificada de um conteúdo de áudio, método para prover uma representação decodificada de um conteúdo de áudio para uso em aplicações de baixo retardamento |
| CN102222505B (zh) * | 2010-04-13 | 2012-12-19 | 中兴通讯股份有限公司 | 可分层音频编解码方法系统及瞬态信号可分层编解码方法 |
| KR101998609B1 (ko) * | 2010-10-25 | 2019-07-10 | 보이세지 코포레이션 | 혼합형 시간-영역/주파수-영역 코딩 장치, 인코더, 디코더, 혼합형 시간-영역/주파수-영역 코딩 방법, 인코딩 방법 및 디코딩 방법 |
| EP2875510A4 (en) * | 2012-07-19 | 2016-04-13 | Nokia Technologies Oy | STEREO AUDIO SIGNAL ENCODER |
| US9294777B2 (en) * | 2012-12-30 | 2016-03-22 | Qualcomm Incorporated | Progressive refinement with temporal scalability support in video coding |
| US9601125B2 (en) * | 2013-02-08 | 2017-03-21 | Qualcomm Incorporated | Systems and methods of performing noise modulation and gain adjustment |
| KR101739789B1 (ko) * | 2013-04-05 | 2017-05-25 | 돌비 인터네셔널 에이비 | 오디오 인코더 및 디코더 |
| KR102251833B1 (ko) * | 2013-12-16 | 2021-05-13 | 삼성전자주식회사 | 오디오 신호의 부호화, 복호화 방법 및 장치 |
| US10074373B2 (en) | 2015-12-21 | 2018-09-11 | Qualcomm Incorporated | Channel adjustment for inter-frame temporal shift variations |
| US10210871B2 (en) * | 2016-03-18 | 2019-02-19 | Qualcomm Incorporated | Audio processing for temporally mismatched signals |
-
2017
- 2017-03-16 US US15/461,356 patent/US10210871B2/en active Active
- 2017-03-17 TW TW106109042A patent/TWI743097B/zh active
- 2017-03-17 CA CA3014675A patent/CA3014675A1/en active Pending
- 2017-03-17 KR KR1020187026626A patent/KR102461411B1/ko active Active
- 2017-03-17 EP EP17714985.3A patent/EP3430621B1/en active Active
- 2017-03-17 CN CN201780017113.4A patent/CN108780648B/zh active Active
- 2017-03-17 EP EP20184979.1A patent/EP3739579B1/en active Active
- 2017-03-17 CA CA3249661A patent/CA3249661A1/en active Pending
- 2017-03-17 KR KR1020227037023A patent/KR102557066B1/ko active Active
- 2017-03-17 CN CN202310879665.3A patent/CN116721667B/zh active Active
- 2017-03-17 JP JP2018548183A patent/JP6978425B2/ja active Active
- 2017-03-17 ES ES17714985T patent/ES2837478T3/es active Active
- 2017-03-17 WO PCT/US2017/023026 patent/WO2017161309A1/en not_active Ceased
-
2018
- 2018-07-30 US US16/049,688 patent/US10204629B2/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108428457A (zh) * | 2018-02-12 | 2018-08-21 | 北京百度网讯科技有限公司 | 音频去重方法及装置 |
| CN108428457B (zh) * | 2018-02-12 | 2021-03-23 | 北京百度网讯科技有限公司 | 音频去重方法及装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2837478T3 (es) | 2021-06-30 |
| EP3739579C0 (en) | 2023-12-06 |
| JP6978425B2 (ja) | 2021-12-08 |
| EP3430621A1 (en) | 2019-01-23 |
| WO2017161309A1 (en) | 2017-09-21 |
| US10204629B2 (en) | 2019-02-12 |
| EP3430621B1 (en) | 2020-09-16 |
| TWI743097B (zh) | 2021-10-21 |
| CA3249661A1 (en) | 2025-06-17 |
| KR102557066B1 (ko) | 2023-07-18 |
| US20180336907A1 (en) | 2018-11-22 |
| KR20220150996A (ko) | 2022-11-11 |
| CN108780648B (zh) | 2023-07-14 |
| CN108780648A (zh) | 2018-11-09 |
| KR102461411B1 (ko) | 2022-10-31 |
| TW201737243A (zh) | 2017-10-16 |
| US20170270934A1 (en) | 2017-09-21 |
| JP2019512735A (ja) | 2019-05-16 |
| EP3739579A1 (en) | 2020-11-18 |
| US10210871B2 (en) | 2019-02-19 |
| EP3739579B1 (en) | 2023-12-06 |
| CN116721667B (zh) | 2026-03-17 |
| BR112018068608A2 (pt) | 2019-02-05 |
| CN116721667A (zh) | 2023-09-08 |
| KR20180125963A (ko) | 2018-11-26 |
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| US10714101B2 (en) | Target sample generation | |
| US20190013030A1 (en) | Inter-channel encoding and decoding of multiple high-band audio signals | |
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