CA2898271C - Audio signal enhancement using estimated spatial parameters - Google Patents
Audio signal enhancement using estimated spatial parameters Download PDFInfo
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- CA2898271C CA2898271C CA2898271A CA2898271A CA2898271C CA 2898271 C CA2898271 C CA 2898271C CA 2898271 A CA2898271 A CA 2898271A CA 2898271 A CA2898271 A CA 2898271A CA 2898271 C CA2898271 C CA 2898271C
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- audio data
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- decorrelation
- coefficients
- frequency
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Classifications
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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
- G10L19/02—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
- G10L19/0204—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 using subband decomposition
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
-
- 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
- G10L19/012—Comfort noise or silence coding
-
- 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
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
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)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361764869P | 2013-02-14 | 2013-02-14 | |
| US61/764,869 | 2013-02-14 | ||
| PCT/US2014/012457 WO2014126683A1 (en) | 2013-02-14 | 2014-01-22 | Audio signal enhancement using estimated spatial parameters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2898271A1 CA2898271A1 (en) | 2014-08-21 |
| CA2898271C true CA2898271C (en) | 2019-02-19 |
Family
ID=50069321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2898271A Active CA2898271C (en) | 2013-02-14 | 2014-01-22 | Audio signal enhancement using estimated spatial parameters |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US9489956B2 (enExample) |
| EP (1) | EP2956934B1 (enExample) |
| JP (1) | JP6138279B2 (enExample) |
| KR (1) | KR101724319B1 (enExample) |
| CN (1) | CN105900168B (enExample) |
| AR (1) | AR094775A1 (enExample) |
| AU (1) | AU2014216732B2 (enExample) |
| BR (1) | BR112015019525B1 (enExample) |
| CA (1) | CA2898271C (enExample) |
| CL (1) | CL2015002277A1 (enExample) |
| DK (1) | DK2956934T3 (enExample) |
| HU (1) | HUE032018T2 (enExample) |
| IL (1) | IL239945B (enExample) |
| IN (1) | IN2015MN01955A (enExample) |
| MX (1) | MX344170B (enExample) |
| PL (1) | PL2956934T3 (enExample) |
| RU (1) | RU2620714C2 (enExample) |
| SG (1) | SG11201506129PA (enExample) |
| TW (1) | TWI618051B (enExample) |
| UA (1) | UA113682C2 (enExample) |
| WO (1) | WO2014126683A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9564144B2 (en) * | 2014-07-24 | 2017-02-07 | Conexant Systems, Inc. | System and method for multichannel on-line unsupervised bayesian spectral filtering of real-world acoustic noise |
| TWI628454B (zh) * | 2014-09-30 | 2018-07-01 | 財團法人工業技術研究院 | 基於聲波的空間狀態偵測裝置、系統與方法 |
| EP3195001B1 (en) * | 2014-11-26 | 2018-11-07 | Kone Corporation | Local navigation system |
| TWI573133B (zh) * | 2015-04-15 | 2017-03-01 | 國立中央大學 | 音訊處理系統及方法 |
| US12125492B2 (en) * | 2015-09-25 | 2024-10-22 | Voiceage Coproration | Method and system for decoding left and right channels of a stereo sound signal |
| CN105931648B (zh) * | 2016-06-24 | 2019-05-03 | 百度在线网络技术（北京）有限公司 | 音频信号解混响方法和装置 |
| US9913061B1 (en) | 2016-08-29 | 2018-03-06 | The Directv Group, Inc. | Methods and systems for rendering binaural audio content |
| US10254121B2 (en) * | 2017-01-23 | 2019-04-09 | Uber Technologies, Inc. | Dynamic routing for self-driving vehicles |
| CN108268695B (zh) * | 2017-12-13 | 2021-06-29 | 杨娇丽 | 一种放大电路的设计方法及放大电路 |
| TWI760593B (zh) * | 2018-02-01 | 2022-04-11 | 弗勞恩霍夫爾協會 | 使用混成式編碼器/解碼器空間分析之音訊場景編碼器、音訊場景解碼器及相關方法 |
| TWI691955B (zh) * | 2018-03-05 | 2020-04-21 | 國立中央大學 | 多通道之多重音頻串流方法以及使用該方法之系統 |
| GB2576769A (en) * | 2018-08-31 | 2020-03-04 | Nokia Technologies Oy | Spatial parameter signalling |
| CN110047503B (zh) * | 2018-09-25 | 2021-04-16 | 上海无线通信研究中心 | 一种声波的多径效应抑制方法 |
| WO2020178322A1 (en) * | 2019-03-06 | 2020-09-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for converting a spectral resolution |
| GB2582749A (en) * | 2019-03-28 | 2020-10-07 | Nokia Technologies Oy | Determination of the significance of spatial audio parameters and associated encoding |
| WO2023008260A1 (ja) * | 2021-07-29 | 2023-02-02 | 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 | 情報処理システム、情報処理方法、及び情報処理プログラム |
| WO2024129132A1 (en) * | 2022-12-16 | 2024-06-20 | Google Llc | Multi-channel audio signal generation |
| GB2631478A (en) * | 2023-06-30 | 2025-01-08 | Nokia Technologies Oy | Apparatus, methods and computer program for encoding spatial audio content |
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| US6134521A (en) * | 1994-02-17 | 2000-10-17 | Motorola, Inc. | Method and apparatus for mitigating audio degradation in a communication system |
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| SE0301273D0 (sv) | 2003-04-30 | 2003-04-30 | Coding Technologies Sweden Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| US20090299756A1 (en) * | 2004-03-01 | 2009-12-03 | Dolby Laboratories Licensing Corporation | Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners |
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2014
- 2014-01-15 TW TW103101429A patent/TWI618051B/zh active
- 2014-01-22 HU HUE14703222A patent/HUE032018T2/en unknown
- 2014-01-22 WO PCT/US2014/012457 patent/WO2014126683A1/en not_active Ceased
- 2014-01-22 US US14/767,565 patent/US9489956B2/en active Active
- 2014-01-22 BR BR112015019525-3A patent/BR112015019525B1/pt active IP Right Grant
- 2014-01-22 CN CN201480008591.5A patent/CN105900168B/zh active Active
- 2014-01-22 AU AU2014216732A patent/AU2014216732B2/en active Active
- 2014-01-22 PL PL14703222T patent/PL2956934T3/pl unknown
- 2014-01-22 JP JP2015556957A patent/JP6138279B2/ja active Active
- 2014-01-22 MX MX2015010166A patent/MX344170B/es active IP Right Grant
- 2014-01-22 CA CA2898271A patent/CA2898271C/en active Active
- 2014-01-22 KR KR1020157021954A patent/KR101724319B1/ko active Active
- 2014-01-22 UA UAA201508021A patent/UA113682C2/uk unknown
- 2014-01-22 EP EP14703222.1A patent/EP2956934B1/en active Active
- 2014-01-22 RU RU2015133584A patent/RU2620714C2/ru active
- 2014-01-22 IN IN1955MUN2015 patent/IN2015MN01955A/en unknown
- 2014-01-22 SG SG11201506129PA patent/SG11201506129PA/en unknown
- 2014-01-22 DK DK14703222.1T patent/DK2956934T3/en active
- 2014-02-13 AR ARP140100454A patent/AR094775A1/es active IP Right Grant
-
2015
- 2015-07-15 IL IL239945A patent/IL239945B/en active IP Right Grant
- 2015-08-14 CL CL2015002277A patent/CL2015002277A1/es unknown
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