CA3249661A1 - Audio processing for temporally mismatched signals - Google Patents
Audio processing for temporally mismatched signalsInfo
- Publication number
- CA3249661A1 CA3249661A1 CA3249661A CA3249661A CA3249661A1 CA 3249661 A1 CA3249661 A1 CA 3249661A1 CA 3249661 A CA3249661 A CA 3249661A CA 3249661 A CA3249661 A CA 3249661A CA 3249661 A1 CA3249661 A1 CA 3249661A1
- Authority
- CA
- Canada
- Prior art keywords
- signal
- encoded
- value
- shift
- frame
- 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
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
- G10L19/02—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
- G10L19/002—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
- G10L19/04—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)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmitters (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662310611P | 2016-03-18 | 2016-03-18 | |
| US62/310,611 | 2016-03-18 | ||
| US15/461,356 | 2017-03-16 | ||
| US15/461,356 US10210871B2 (en) | 2016-03-18 | 2017-03-16 | Audio processing for temporally mismatched signals |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3014675A Division CA3014675A1 (en) | 2016-03-18 | 2017-03-17 | Audio processing for temporally mismatched signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3249661A1 true CA3249661A1 (en) | 2025-06-17 |
Family
ID=59847109
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3249661A Pending CA3249661A1 (en) | 2016-03-18 | 2017-03-17 | Audio processing for temporally mismatched signals |
| CA3014675A Pending CA3014675A1 (en) | 2016-03-18 | 2017-03-17 | Audio processing for temporally mismatched signals |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3014675A Pending CA3014675A1 (en) | 2016-03-18 | 2017-03-17 | Audio processing for temporally mismatched signals |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US10210871B2 (enExample) |
| EP (2) | EP3739579B1 (enExample) |
| JP (1) | JP6978425B2 (enExample) |
| KR (2) | KR102557066B1 (enExample) |
| CN (2) | CN116721667B (enExample) |
| CA (2) | CA3249661A1 (enExample) |
| ES (1) | ES2837478T3 (enExample) |
| TW (1) | TWI743097B (enExample) |
| WO (1) | WO2017161309A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT3011563T (pt) | 2013-06-21 | 2020-03-31 | Fraunhofer Ges Forschung | Descodificação de áudio com reconstrução de quadros corrompidos ou não recebidos usando tcx ltp |
| 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 |
| 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 |
| CN114726946B (zh) * | 2018-12-27 | 2023-07-11 | 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、电子设备及可读存储介质 |
| 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 |
| WO2007052612A1 (ja) | 2005-10-31 | 2007-05-10 | Matsushita Electric Industrial Co., Ltd. | 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 |
| CN102292767B (zh) * | 2009-01-22 | 2013-05-08 | 松下电器产业株式会社 | 立体声音响信号编码装置、立体声音响信号解码装置及它们的编解码方法 |
| JP5214058B2 (ja) * | 2009-03-17 | 2013-06-19 | ドルビー インターナショナル アーベー | 適応的に選択可能な左／右又はミッド／サイド・ステレオ符号化及びパラメトリック・ステレオ符号化の組み合わせに基づいた高度ステレオ符号化 |
| RU2596594C2 (ru) * | 2009-10-20 | 2016-09-10 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Кодер аудиосигнала, декодер аудиосигнала, способ кодированного представления аудиоконтента, способ декодированного представления аудиоконтента и компьютерная программа для приложений с малой задержкой |
| 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 |
| ES2693229T3 (es) * | 2010-10-25 | 2018-12-10 | Voiceage Corporation | Codificación de señales de audio genérico a bajas tasas de bits y bajo retardo |
| 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 |
| KR102383819B1 (ko) * | 2013-04-05 | 2022-04-08 | 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 WO PCT/US2017/023026 patent/WO2017161309A1/en not_active Ceased
- 2017-03-17 CA CA3249661A patent/CA3249661A1/en active Pending
- 2017-03-17 EP EP20184979.1A patent/EP3739579B1/en 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 CA CA3014675A patent/CA3014675A1/en active Pending
- 2017-03-17 KR KR1020227037023A patent/KR102557066B1/ko active Active
- 2017-03-17 TW TW106109042A patent/TWI743097B/zh active
- 2017-03-17 KR KR1020187026626A patent/KR102461411B1/ko active Active
- 2017-03-17 ES ES17714985T patent/ES2837478T3/es active Active
- 2017-03-17 EP EP17714985.3A patent/EP3430621B1/en active Active
- 2017-03-17 CN CN201780017113.4A patent/CN108780648B/zh active Active
-
2018
- 2018-07-30 US US16/049,688 patent/US10204629B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108780648B (zh) | 2023-07-14 |
| KR102557066B1 (ko) | 2023-07-18 |
| EP3430621A1 (en) | 2019-01-23 |
| CA3014675A1 (en) | 2017-09-21 |
| EP3430621B1 (en) | 2020-09-16 |
| KR102461411B1 (ko) | 2022-10-31 |
| TW201737243A (zh) | 2017-10-16 |
| KR20180125963A (ko) | 2018-11-26 |
| JP2019512735A (ja) | 2019-05-16 |
| CN108780648A (zh) | 2018-11-09 |
| TWI743097B (zh) | 2021-10-21 |
| EP3739579A1 (en) | 2020-11-18 |
| KR20220150996A (ko) | 2022-11-11 |
| JP6978425B2 (ja) | 2021-12-08 |
| EP3739579B1 (en) | 2023-12-06 |
| US10210871B2 (en) | 2019-02-19 |
| EP3739579C0 (en) | 2023-12-06 |
| ES2837478T3 (es) | 2021-06-30 |
| CN116721667A (zh) | 2023-09-08 |
| BR112018068608A2 (pt) | 2019-02-05 |
| US20180336907A1 (en) | 2018-11-22 |
| US10204629B2 (en) | 2019-02-12 |
| WO2017161309A1 (en) | 2017-09-21 |
| CN116721667B (zh) | 2026-03-17 |
| US20170270934A1 (en) | 2017-09-21 |
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| US10714100B2 (en) | Audio signal decoding | |
| US10204629B2 (en) | Audio processing for temporally mismatched signals | |
| US10714101B2 (en) | Target sample generation | |
| JP2019508737A (ja) | 複数のハイバンドオーディオ信号のチャネル間符号化および復号 | |
| BR112018068608B1 (pt) | Processamento de áudio para sinais temporariamente discordantes |
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