PL2756617T3 - Dekompozycja bezpośrednio-rozproszona - Google Patents
Dekompozycja bezpośrednio-rozproszonaInfo
- Publication number
- PL2756617T3 PL2756617T3 PL12831014T PL12831014T PL2756617T3 PL 2756617 T3 PL2756617 T3 PL 2756617T3 PL 12831014 T PL12831014 T PL 12831014T PL 12831014 T PL12831014 T PL 12831014T PL 2756617 T3 PL2756617 T3 PL 2756617T3
- Authority
- PL
- Poland
- Prior art keywords
- direct
- diffuse decomposition
- diffuse
- decomposition
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0272—Voice signal separating
- G10L21/0308—Voice signal separating characterised by the type of parameter measurement, e.g. correlation techniques, zero crossing techniques or predictive techniques
-
- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Circuit For Audible Band Transducer (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Complex Calculations (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161534235P | 2011-09-13 | 2011-09-13 | |
| US201261676791P | 2012-07-27 | 2012-07-27 | |
| EP12831014.1A EP2756617B1 (en) | 2011-09-13 | 2012-09-13 | Direct-diffuse decomposition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2756617T3 true PL2756617T3 (pl) | 2017-05-31 |
Family
ID=47883722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL12831014T PL2756617T3 (pl) | 2011-09-13 | 2012-09-13 | Dekompozycja bezpośrednio-rozproszona |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9253574B2 (pl) |
| EP (1) | EP2756617B1 (pl) |
| JP (1) | JP5965487B2 (pl) |
| KR (1) | KR102123916B1 (pl) |
| CN (1) | CN103875197B (pl) |
| BR (1) | BR112014005807A2 (pl) |
| PL (1) | PL2756617T3 (pl) |
| TW (1) | TWI590229B (pl) |
| WO (1) | WO2013040172A1 (pl) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6270208B2 (ja) * | 2014-01-31 | 2018-01-31 | ブラザー工業株式会社 | 雑音抑圧装置、雑音抑圧方法、及びプログラム |
| CN105336332A (zh) * | 2014-07-17 | 2016-02-17 | 杜比实验室特许公司 | 分解音频信号 |
| CN105657633A (zh) | 2014-09-04 | 2016-06-08 | 杜比实验室特许公司 | 生成针对音频对象的元数据 |
| US10187740B2 (en) * | 2016-09-23 | 2019-01-22 | Apple Inc. | Producing headphone driver signals in a digital audio signal processing binaural rendering environment |
| EP3698201A4 (en) | 2017-10-17 | 2020-12-09 | Magic Leap, Inc. | MIXED REALITY SPACE AUDIO |
| CN111713091A (zh) | 2018-02-15 | 2020-09-25 | 奇跃公司 | 混合现实虚拟混响 |
| AU2019249872B2 (en) * | 2018-04-05 | 2021-11-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method or computer program for estimating an inter-channel time difference |
| CN112236940B (zh) | 2018-05-30 | 2024-08-23 | 奇跃公司 | 用于滤波器参数的索引方案 |
| EP4049466B1 (en) | 2019-10-25 | 2025-04-30 | Magic Leap, Inc. | Methods and systems for determining and processing audio information in a mixed reality environment |
| WO2024054837A1 (en) * | 2022-09-07 | 2024-03-14 | Sonos, Inc. | Primary-ambient playback on audio playback devices |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5185805A (en) * | 1990-12-17 | 1993-02-09 | David Chiang | Tuned deconvolution digital filter for elimination of loudspeaker output blurring |
| US7412380B1 (en) * | 2003-12-17 | 2008-08-12 | Creative Technology Ltd. | Ambience extraction and modification for enhancement and upmix of audio signals |
| JP4918490B2 (ja) | 2005-09-02 | 2012-04-18 | パナソニック株式会社 | エネルギー整形装置及びエネルギー整形方法 |
| US8180067B2 (en) | 2006-04-28 | 2012-05-15 | Harman International Industries, Incorporated | System for selectively extracting components of an audio input signal |
| US8204237B2 (en) | 2006-05-17 | 2012-06-19 | Creative Technology Ltd | Adaptive primary-ambient decomposition of audio signals |
| US8345899B2 (en) * | 2006-05-17 | 2013-01-01 | Creative Technology Ltd | Phase-amplitude matrixed surround decoder |
| US9088855B2 (en) * | 2006-05-17 | 2015-07-21 | Creative Technology Ltd | Vector-space methods for primary-ambient decomposition of stereo audio signals |
| US8379868B2 (en) * | 2006-05-17 | 2013-02-19 | Creative Technology Ltd | Spatial audio coding based on universal spatial cues |
| EP2437257B1 (en) | 2006-10-16 | 2018-01-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Saoc to mpeg surround transcoding |
| US8374355B2 (en) * | 2007-04-05 | 2013-02-12 | Creative Technology Ltd. | Robust and efficient frequency-domain decorrelation method |
| KR101569032B1 (ko) * | 2007-09-06 | 2015-11-13 | 엘지전자 주식회사 | 오디오 신호의 디코딩 방법 및 장치 |
| RU2472306C2 (ru) * | 2007-09-26 | 2013-01-10 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Устройство и способ для извлечения сигнала окружающей среды в устройстве и способ получения весовых коэффициентов для извлечения сигнала окружающей среды |
| US8107631B2 (en) | 2007-10-04 | 2012-01-31 | Creative Technology Ltd | Correlation-based method for ambience extraction from two-channel audio signals |
| US8103005B2 (en) * | 2008-02-04 | 2012-01-24 | Creative Technology Ltd | Primary-ambient decomposition of stereo audio signals using a complex similarity index |
| EP2196988B1 (en) | 2008-12-12 | 2012-09-05 | Nuance Communications, Inc. | Determination of the coherence of audio signals |
| US8660281B2 (en) * | 2009-02-03 | 2014-02-25 | University Of Ottawa | Method and system for a multi-microphone noise reduction |
| JP5314129B2 (ja) * | 2009-03-31 | 2013-10-16 | パナソニック株式会社 | 音響再生装置及び音響再生方法 |
| US8705769B2 (en) * | 2009-05-20 | 2014-04-22 | Stmicroelectronics, Inc. | Two-to-three channel upmix for center channel derivation |
| EP2360681A1 (en) * | 2010-01-15 | 2011-08-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information |
| EP2464146A1 (en) * | 2010-12-10 | 2012-06-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decomposing an input signal using a pre-calculated reference curve |
-
2012
- 2012-09-12 US US13/612,543 patent/US9253574B2/en active Active
- 2012-09-13 CN CN201280050756.6A patent/CN103875197B/zh active Active
- 2012-09-13 KR KR1020147008906A patent/KR102123916B1/ko active Active
- 2012-09-13 WO PCT/US2012/055103 patent/WO2013040172A1/en not_active Ceased
- 2012-09-13 JP JP2014530780A patent/JP5965487B2/ja active Active
- 2012-09-13 PL PL12831014T patent/PL2756617T3/pl unknown
- 2012-09-13 BR BR112014005807A patent/BR112014005807A2/pt not_active Application Discontinuation
- 2012-09-13 TW TW101133461A patent/TWI590229B/zh active
- 2012-09-13 EP EP12831014.1A patent/EP2756617B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR102123916B1 (ko) | 2020-06-17 |
| US9253574B2 (en) | 2016-02-02 |
| JP2014527381A (ja) | 2014-10-09 |
| JP5965487B2 (ja) | 2016-08-03 |
| TW201322252A (zh) | 2013-06-01 |
| CN103875197B (zh) | 2016-05-18 |
| EP2756617A4 (en) | 2015-06-03 |
| TWI590229B (zh) | 2017-07-01 |
| WO2013040172A1 (en) | 2013-03-21 |
| KR20140074918A (ko) | 2014-06-18 |
| CN103875197A (zh) | 2014-06-18 |
| EP2756617A1 (en) | 2014-07-23 |
| US20130182852A1 (en) | 2013-07-18 |
| BR112014005807A2 (pt) | 2019-12-17 |
| EP2756617B1 (en) | 2016-11-09 |
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