ES2613478T3 - Decorrelación de señales en un sistema de procesamiento de audio - Google Patents
Decorrelación de señales en un sistema de procesamiento de audio Download PDFInfo
- Publication number
- ES2613478T3 ES2613478T3 ES14703015.9T ES14703015T ES2613478T3 ES 2613478 T3 ES2613478 T3 ES 2613478T3 ES 14703015 T ES14703015 T ES 14703015T ES 2613478 T3 ES2613478 T3 ES 2613478T3
- Authority
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- Prior art keywords
- decorrelation
- audio data
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- channels
- channel
- 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.)
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Links
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- 239000000203 mixture Substances 0.000 description 16
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- 238000010168 coupling process Methods 0.000 description 14
- 238000005859 coupling reaction Methods 0.000 description 14
- 230000001052 transient effect Effects 0.000 description 10
- 230000003044 adaptive effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 230000002194 synthesizing effect Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
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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
-
- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361764837P | 2013-02-14 | 2013-02-14 | |
| US201361764837P | 2013-02-14 | ||
| PCT/US2014/012453 WO2014126682A1 (en) | 2013-02-14 | 2014-01-22 | Signal decorrelation in an audio processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2613478T3 true ES2613478T3 (es) | 2017-05-24 |
Family
ID=50064800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES14703015.9T Active ES2613478T3 (es) | 2013-02-14 | 2014-01-22 | Decorrelación de señales en un sistema de procesamiento de audio |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US9830916B2 (enExample) |
| EP (1) | EP2956933B1 (enExample) |
| JP (1) | JP6038355B2 (enExample) |
| KR (1) | KR102114648B1 (enExample) |
| CN (1) | CN104995676B (enExample) |
| BR (1) | BR112015018981B1 (enExample) |
| ES (1) | ES2613478T3 (enExample) |
| IN (1) | IN2015MN01954A (enExample) |
| RU (1) | RU2614381C2 (enExample) |
| TW (1) | TWI618050B (enExample) |
| WO (1) | WO2014126682A1 (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9830917B2 (en) | 2013-02-14 | 2017-11-28 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| EP2956935B1 (en) | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| JP6570010B2 (ja) * | 2014-04-02 | 2019-09-04 | ケーエルエー コーポレイション | マスクのための高密度位置合わせマップを生成するための方法、システム、およびコンピュータプログラム製品 |
| 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 |
| EP3179744B1 (en) * | 2015-12-08 | 2018-01-31 | Axis AB | Method, device and system for controlling a sound image in an audio zone |
| CN105702263B (zh) * | 2016-01-06 | 2019-08-30 | 清华大学 | 语音重放检测方法和装置 |
| 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 |
| CN107895580B (zh) * | 2016-09-30 | 2021-06-01 | 华为技术有限公司 | 一种音频信号的重建方法和装置 |
| CN110024421B (zh) * | 2016-11-23 | 2020-12-25 | 瑞典爱立信有限公司 | 用于自适应控制去相关滤波器的方法和装置 |
| US10979844B2 (en) * | 2017-03-08 | 2021-04-13 | Dts, Inc. | Distributed audio virtualization systems |
| US10019981B1 (en) | 2017-06-02 | 2018-07-10 | Apple Inc. | Active reverberation augmentation |
| EP3573058B1 (en) * | 2018-05-23 | 2021-02-24 | Harman Becker Automotive Systems GmbH | Dry sound and ambient sound separation |
| CN111107024B (zh) * | 2018-10-25 | 2022-01-28 | 航天科工惯性技术有限公司 | 时间与频率混合编码的防错解码方法 |
| CN109557509B (zh) * | 2018-11-23 | 2020-08-11 | 安徽四创电子股份有限公司 | 一种用于改善脉间干扰的双脉冲信号合成器 |
| CN109672946B (zh) * | 2019-02-15 | 2023-12-15 | 深圳市昊一源科技有限公司 | 一种无线通话系统、转发设备、终端设备及转发方法 |
| US11195541B2 (en) * | 2019-05-08 | 2021-12-07 | Samsung Electronics Co., Ltd | Transformer with gaussian weighted self-attention for speech enhancement |
| CN110267064B (zh) * | 2019-06-12 | 2021-11-12 | 百度在线网络技术（北京）有限公司 | 音频播放状态处理方法、装置、设备及存储介质 |
| CN110740404B (zh) * | 2019-09-27 | 2020-12-25 | 广州励丰文化科技股份有限公司 | 一种音频相关性的处理方法及音频处理装置 |
| CN110740416B (zh) * | 2019-09-27 | 2021-04-06 | 广州励丰文化科技股份有限公司 | 一种音频信号处理方法及装置 |
| MX2023003965A (es) | 2020-10-09 | 2023-05-25 | Fraunhofer Ges Forschung | Aparato, metodo, o programa de computadora para procesar una escena de audio codificada utilizando una extension de ancho de banda. |
| AU2021358432B2 (en) | 2020-10-09 | 2024-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method, or computer program for processing an encoded audio scene using a parameter conversion |
| AU2021357364B2 (en) | 2020-10-09 | 2024-06-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method, or computer program for processing an encoded audio scene using a parameter smoothing |
| US20250024216A1 (en) * | 2021-12-03 | 2025-01-16 | Beijing Xiaomi Mobile Software Co., Ltd. | Stereo audio signal processing method, encoding device, and storage medium |
| GB2630112A (en) * | 2023-05-17 | 2024-11-20 | Sony Interactive Entertainment Europe Ltd | A method for decorrelating a set of simulated audio signals |
| WO2025160833A1 (zh) * | 2024-01-31 | 2025-08-07 | 北京小米移动软件有限公司 | 编解码方法、装置以及存储介质 |
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| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
-
2014
- 2014-01-15 TW TW103101428A patent/TWI618050B/zh active
- 2014-01-22 JP JP2015556956A patent/JP6038355B2/ja active Active
- 2014-01-22 EP EP14703015.9A patent/EP2956933B1/en active Active
- 2014-01-22 WO PCT/US2014/012453 patent/WO2014126682A1/en not_active Ceased
- 2014-01-22 RU RU2015133287A patent/RU2614381C2/ru active
- 2014-01-22 KR KR1020157021921A patent/KR102114648B1/ko active Active
- 2014-01-22 CN CN201480008604.9A patent/CN104995676B/zh active Active
- 2014-01-22 IN IN1954MUN2015 patent/IN2015MN01954A/en unknown
- 2014-01-22 US US14/766,371 patent/US9830916B2/en active Active
- 2014-01-22 ES ES14703015.9T patent/ES2613478T3/es active Active
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|---|---|
| KR102114648B1 (ko) | 2020-05-26 |
| JP2016510433A (ja) | 2016-04-07 |
| TWI618050B (zh) | 2018-03-11 |
| RU2015133287A (ru) | 2017-02-21 |
| RU2614381C2 (ru) | 2017-03-24 |
| CN104995676B (zh) | 2018-03-30 |
| BR112015018981B1 (pt) | 2022-02-01 |
| IN2015MN01954A (enExample) | 2015-08-28 |
| EP2956933A1 (en) | 2015-12-23 |
| US20150380000A1 (en) | 2015-12-31 |
| JP6038355B2 (ja) | 2016-12-07 |
| HK1213686A1 (en) | 2016-07-08 |
| EP2956933B1 (en) | 2016-11-16 |
| CN104995676A (zh) | 2015-10-21 |
| KR20150106949A (ko) | 2015-09-22 |
| US9830916B2 (en) | 2017-11-28 |
| BR112015018981A2 (pt) | 2017-07-18 |
| WO2014126682A1 (en) | 2014-08-21 |
| TW201443877A (zh) | 2014-11-16 |
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