SG11201905527UA - Multi channel decoding - Google Patents
Multi channel decodingInfo
- Publication number
- SG11201905527UA SG11201905527UA SG11201905527UA SG11201905527UA SG11201905527UA SG 11201905527U A SG11201905527U A SG 11201905527UA SG 11201905527U A SG11201905527U A SG 11201905527UA SG 11201905527U A SG11201905527U A SG 11201905527UA SG 11201905527U A SG11201905527U A SG 11201905527UA
- Authority
- SG
- Singapore
- Prior art keywords
- transform
- international
- mid channel
- window
- frame
- Prior art date
Links
- 230000008520 organization Effects 0.000 abstract 1
- 230000001131 transforming effect Effects 0.000 abstract 1
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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Stereophonic System (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Peptides Or Proteins (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762454652P | 2017-02-03 | 2017-02-03 | |
| US15/884,136 US10210874B2 (en) | 2017-02-03 | 2018-01-30 | Multi channel coding |
| PCT/US2018/016216 WO2018144590A1 (en) | 2017-02-03 | 2018-01-31 | Multi channel decoding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG11201905527UA true SG11201905527UA (en) | 2019-08-27 |
Family
ID=63037342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG11201905527UA SG11201905527UA (en) | 2017-02-03 | 2018-01-31 | Multi channel decoding |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US10210874B2 (zh) |
| EP (1) | EP3577647B1 (zh) |
| KR (1) | KR102264105B1 (zh) |
| CN (1) | CN110249385B (zh) |
| AU (1) | AU2018217052B2 (zh) |
| BR (1) | BR112019015509A2 (zh) |
| SG (1) | SG11201905527UA (zh) |
| TW (1) | TWI696173B (zh) |
| WO (1) | WO2018144590A1 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020094263A1 (en) | 2018-11-05 | 2020-05-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and audio signal processor, for providing a processed audio signal representation, audio decoder, audio encoder, methods and computer programs |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE447226T1 (de) * | 2004-01-28 | 2009-11-15 | Koninkl Philips Electronics Nv | Verfahren und vorrichtung zur zeitskalierung eines signals |
| US8983834B2 (en) * | 2004-03-01 | 2015-03-17 | Dolby Laboratories Licensing Corporation | Multichannel audio coding |
| MX2011011399A (es) * | 2008-10-17 | 2012-06-27 | Univ Friedrich Alexander Er | Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto. |
| CN101552006B (zh) * | 2009-05-12 | 2011-12-28 | 武汉大学 | 加窗信号mdct域的能量及相位调整方法及其装置 |
| EP2476113B1 (en) * | 2009-09-11 | 2014-08-13 | Nokia Corporation | Method, apparatus and computer program product for audio coding |
| TWI557723B (zh) * | 2010-02-18 | 2016-11-11 | 杜比實驗室特許公司 | 解碼方法及系統 |
| BR122019026166B1 (pt) * | 2010-04-09 | 2021-01-05 | Dolby International Ab | sistema decodificador, aparelho e método para emitir um sinal de áudio estereofônico tendo um canal esquerdo e um canal direito e meio legível por computador não transitório |
| US9236063B2 (en) * | 2010-07-30 | 2016-01-12 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for dynamic bit allocation |
| CN101944362B (zh) * | 2010-09-14 | 2012-05-30 | 北京大学 | 一种基于整形小波变换的音频无损压缩编码、解码方法 |
| WO2013186343A2 (en) * | 2012-06-14 | 2013-12-19 | Dolby International Ab | Smooth configuration switching for multichannel audio |
| EP2717265A1 (en) * | 2012-10-05 | 2014-04-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for backward compatible dynamic adaption of time/frequency resolution in spatial-audio-object-coding |
| EP2720222A1 (en) * | 2012-10-10 | 2014-04-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for efficient synthesis of sinusoids and sweeps by employing spectral patterns |
| CN110232929B (zh) * | 2013-02-20 | 2023-06-13 | 弗劳恩霍夫应用研究促进协会 | 用于对音频信号进行译码的译码器和方法 |
| US9607624B2 (en) * | 2013-03-29 | 2017-03-28 | Apple Inc. | Metadata driven dynamic range control |
| EP2830060A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Noise filling in multichannel audio coding |
-
2018
- 2018-01-30 US US15/884,136 patent/US10210874B2/en active Active
- 2018-01-31 EP EP18704791.5A patent/EP3577647B1/en active Active
- 2018-01-31 WO PCT/US2018/016216 patent/WO2018144590A1/en unknown
- 2018-01-31 KR KR1020197022092A patent/KR102264105B1/ko active IP Right Grant
- 2018-01-31 BR BR112019015509-0A patent/BR112019015509A2/pt unknown
- 2018-01-31 AU AU2018217052A patent/AU2018217052B2/en active Active
- 2018-01-31 CN CN201880008378.2A patent/CN110249385B/zh active Active
- 2018-01-31 SG SG11201905527UA patent/SG11201905527UA/en unknown
- 2018-02-01 TW TW107103703A patent/TWI696173B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| KR102264105B1 (ko) | 2021-06-10 |
| AU2018217052B2 (en) | 2022-06-30 |
| EP3577647A1 (en) | 2019-12-11 |
| CN110249385A (zh) | 2019-09-17 |
| BR112019015509A2 (pt) | 2020-03-17 |
| KR20190111951A (ko) | 2019-10-02 |
| WO2018144590A1 (en) | 2018-08-09 |
| US20180226080A1 (en) | 2018-08-09 |
| US10210874B2 (en) | 2019-02-19 |
| EP3577647B1 (en) | 2020-12-16 |
| TW201835896A (zh) | 2018-10-01 |
| TWI696173B (zh) | 2020-06-11 |
| AU2018217052A1 (en) | 2019-07-11 |
| CN110249385B (zh) | 2023-05-30 |
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