KR101283741B1 - N채널 오디오 시스템으로부터 m채널 오디오 시스템으로 변환하는 오디오 공간 환경 엔진 및 그 방법 - Google Patents
N채널 오디오 시스템으로부터 m채널 오디오 시스템으로 변환하는 오디오 공간 환경 엔진 및 그 방법 Download PDFInfo
- Publication number
- KR101283741B1 KR101283741B1 KR1020127013494A KR20127013494A KR101283741B1 KR 101283741 B1 KR101283741 B1 KR 101283741B1 KR 1020127013494 A KR1020127013494 A KR 1020127013494A KR 20127013494 A KR20127013494 A KR 20127013494A KR 101283741 B1 KR101283741 B1 KR 101283741B1
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- South Korea
- Prior art keywords
- audio data
- channel
- hilbert
- surround
- right channel
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62292204P | 2004-10-28 | 2004-10-28 | |
| US10/975,841 US7929708B2 (en) | 2004-01-12 | 2004-10-28 | Audio spatial environment engine |
| US10/975,841 | 2004-10-28 | ||
| US60/622,922 | 2004-10-28 | ||
| PCT/US2005/038961 WO2006050112A2 (en) | 2004-10-28 | 2005-10-28 | Audio spatial environment engine |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020077011845A Division KR101210797B1 (ko) | 2004-10-28 | 2005-10-28 | 오디오 공간 환경 엔진 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20120062027A KR20120062027A (ko) | 2012-06-13 |
| KR101283741B1 true KR101283741B1 (ko) | 2013-07-08 |
Family
ID=36090916
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020127013494A Expired - Lifetime KR101283741B1 (ko) | 2004-10-28 | 2005-10-28 | N채널 오디오 시스템으로부터 m채널 오디오 시스템으로 변환하는 오디오 공간 환경 엔진 및 그 방법 |
| KR1020077011845A Expired - Lifetime KR101210797B1 (ko) | 2004-10-28 | 2005-10-28 | 오디오 공간 환경 엔진 |
| KR1020127013495A Expired - Lifetime KR101177677B1 (ko) | 2004-10-28 | 2005-10-28 | 오디오 공간 환경 엔진 |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020077011845A Expired - Lifetime KR101210797B1 (ko) | 2004-10-28 | 2005-10-28 | 오디오 공간 환경 엔진 |
| KR1020127013495A Expired - Lifetime KR101177677B1 (ko) | 2004-10-28 | 2005-10-28 | 오디오 공간 환경 엔진 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20070297519A1 (enExample) |
| EP (1) | EP1810280B1 (enExample) |
| JP (1) | JP4917039B2 (enExample) |
| KR (3) | KR101283741B1 (enExample) |
| CN (3) | CN102117617B (enExample) |
| PL (1) | PL1810280T3 (enExample) |
| WO (1) | WO2006050112A2 (enExample) |
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| KR20080087909A (ko) * | 2006-01-19 | 2008-10-01 | 엘지전자 주식회사 | 신호 디코딩 방법 및 장치 |
| US20080191172A1 (en) * | 2006-12-29 | 2008-08-14 | Che-Hsiung Hsu | High work-function and high conductivity compositions of electrically conducting polymers |
| US8107631B2 (en) * | 2007-10-04 | 2012-01-31 | Creative Technology Ltd | Correlation-based method for ambience extraction from two-channel audio signals |
| US8126172B2 (en) * | 2007-12-06 | 2012-02-28 | Harman International Industries, Incorporated | Spatial processing stereo system |
| EP2232485A4 (en) * | 2008-01-01 | 2012-09-26 | Lg Electronics Inc | METHOD AND APPARATUS FOR SIGNAL PROCESSING |
| KR101335975B1 (ko) * | 2008-08-14 | 2013-12-04 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 복수의 오디오 입력 신호를 리포맷팅하는 방법 |
| US8000485B2 (en) * | 2009-06-01 | 2011-08-16 | Dts, Inc. | Virtual audio processing for loudspeaker or headphone playback |
| JP5267362B2 (ja) * | 2009-07-03 | 2013-08-21 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法及びオーディオ符号化用コンピュータプログラムならびに映像伝送装置 |
| CN102550048B (zh) * | 2009-09-30 | 2015-03-25 | 诺基亚公司 | 一种用于处理音频信号的方法和装置 |
| US9111528B2 (en) | 2009-12-10 | 2015-08-18 | Reality Ip Pty Ltd | Matrix decoder for surround sound |
| WO2011072729A1 (en) * | 2009-12-16 | 2011-06-23 | Nokia Corporation | Multi-channel audio processing |
| EP2464145A1 (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 downmixer |
| CN103000180A (zh) * | 2012-11-20 | 2013-03-27 | 上海中科高等研究院 | 环绕声矩阵编解码系统及其实现方法 |
| KR102213895B1 (ko) * | 2013-01-15 | 2021-02-08 | 한국전자통신연구원 | 채널 신호를 처리하는 부호화/복호화 장치 및 방법 |
| US9093064B2 (en) | 2013-03-11 | 2015-07-28 | The Nielsen Company (Us), Llc | Down-mixing compensation for audio watermarking |
| JP6216553B2 (ja) * | 2013-06-27 | 2017-10-18 | クラリオン株式会社 | 伝搬遅延補正装置及び伝搬遅延補正方法 |
| US9560449B2 (en) | 2014-01-17 | 2017-01-31 | Sony Corporation | Distributed wireless speaker system |
| US9402145B2 (en) | 2014-01-24 | 2016-07-26 | Sony Corporation | Wireless speaker system with distributed low (bass) frequency |
| US9866986B2 (en) | 2014-01-24 | 2018-01-09 | Sony Corporation | Audio speaker system with virtual music performance |
| US9426551B2 (en) | 2014-01-24 | 2016-08-23 | Sony Corporation | Distributed wireless speaker system with light show |
| US9369801B2 (en) | 2014-01-24 | 2016-06-14 | Sony Corporation | Wireless speaker system with noise cancelation |
| US9232335B2 (en) | 2014-03-06 | 2016-01-05 | Sony Corporation | Networked speaker system with follow me |
| EP3154279A4 (en) * | 2014-06-06 | 2017-11-01 | Sony Corporation | Audio signal processing apparatus and method, encoding apparatus and method, and program |
| US9774974B2 (en) | 2014-09-24 | 2017-09-26 | Electronics And Telecommunications Research Institute | Audio metadata providing apparatus and method, and multichannel audio data playback apparatus and method to support dynamic format conversion |
| KR101993348B1 (ko) * | 2014-09-24 | 2019-06-26 | 한국전자통신연구원 | 동적 포맷 변환을 지원하는 오디오 메타데이터 제공 장치 및 오디오 데이터 재생 장치, 상기 장치가 수행하는 방법 그리고 상기 동적 포맷 변환들이 기록된 컴퓨터에서 판독 가능한 기록매체 |
| US20160171987A1 (en) * | 2014-12-16 | 2016-06-16 | Psyx Research, Inc. | System and method for compressed audio enhancement |
| US20160294484A1 (en) * | 2015-03-31 | 2016-10-06 | Qualcomm Technologies International, Ltd. | Embedding codes in an audio signal |
| CN105101039B (zh) * | 2015-08-31 | 2018-12-18 | 广州酷狗计算机科技有限公司 | 立体声还原方法及装置 |
| US9693168B1 (en) | 2016-02-08 | 2017-06-27 | Sony Corporation | Ultrasonic speaker assembly for audio spatial effect |
| US9826332B2 (en) | 2016-02-09 | 2017-11-21 | Sony Corporation | Centralized wireless speaker system |
| US9924291B2 (en) | 2016-02-16 | 2018-03-20 | Sony Corporation | Distributed wireless speaker system |
| US9826330B2 (en) | 2016-03-14 | 2017-11-21 | Sony Corporation | Gimbal-mounted linear ultrasonic speaker assembly |
| US9693169B1 (en) | 2016-03-16 | 2017-06-27 | Sony Corporation | Ultrasonic speaker assembly with ultrasonic room mapping |
| US9794724B1 (en) | 2016-07-20 | 2017-10-17 | Sony Corporation | Ultrasonic speaker assembly using variable carrier frequency to establish third dimension sound locating |
| US9854362B1 (en) | 2016-10-20 | 2017-12-26 | Sony Corporation | Networked speaker system with LED-based wireless communication and object detection |
| US10075791B2 (en) | 2016-10-20 | 2018-09-11 | Sony Corporation | Networked speaker system with LED-based wireless communication and room mapping |
| US9924286B1 (en) | 2016-10-20 | 2018-03-20 | Sony Corporation | Networked speaker system with LED-based wireless communication and personal identifier |
| ES2913204T3 (es) * | 2017-02-06 | 2022-06-01 | Savant Systems Inc | Arquitectura de interconexión de A/V que incluye un punto final de A/V transmisor de mezcla descendente de audio y amplificación de canal distribuida |
| US10616684B2 (en) | 2018-05-15 | 2020-04-07 | Sony Corporation | Environmental sensing for a unique portable speaker listening experience |
| JP7036234B2 (ja) * | 2018-06-01 | 2022-03-15 | ソニーグループ株式会社 | オーディオコンテンツの適応的なリミキシング |
| US10292000B1 (en) | 2018-07-02 | 2019-05-14 | Sony Corporation | Frequency sweep for a unique portable speaker listening experience |
| GB2576769A (en) | 2018-08-31 | 2020-03-04 | Nokia Technologies Oy | Spatial parameter signalling |
| US10567871B1 (en) | 2018-09-06 | 2020-02-18 | Sony Corporation | Automatically movable speaker to track listener or optimize sound performance |
| US10623859B1 (en) | 2018-10-23 | 2020-04-14 | Sony Corporation | Networked speaker system with combined power over Ethernet and audio delivery |
| US11599329B2 (en) | 2018-10-30 | 2023-03-07 | Sony Corporation | Capacitive environmental sensing for a unique portable speaker listening experience |
| KR20220013630A (ko) | 2020-07-27 | 2022-02-04 | 삼성전자주식회사 | 오디오의 채널의 수를 변환하는 전자 장치 및 전자 장치의 동작 방법 |
| KR102529400B1 (ko) * | 2021-02-19 | 2023-05-10 | 한국전자통신연구원 | 오디오 메타데이터 제공 장치 및 방법, 오디오 데이터 제공 장치 및 방법, 오디오 데이터 재생 장치 및 방법 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995026083A1 (de) | 1994-03-18 | 1995-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum codieren mehrerer audiosignale |
| US5796844A (en) | 1996-07-19 | 1998-08-18 | Lexicon | Multichannel active matrix sound reproduction with maximum lateral separation |
| US20040105550A1 (en) | 2002-12-03 | 2004-06-03 | Aylward J. Richard | Directional electroacoustical transducing |
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-
2005
- 2005-10-28 CN CN201110064948XA patent/CN102117617B/zh not_active Expired - Lifetime
- 2005-10-28 CN CN201210254387.4A patent/CN102833665B/zh not_active Expired - Lifetime
- 2005-10-28 KR KR1020127013494A patent/KR101283741B1/ko not_active Expired - Lifetime
- 2005-10-28 CN CN2005800406705A patent/CN101065797B/zh not_active Expired - Lifetime
- 2005-10-28 WO PCT/US2005/038961 patent/WO2006050112A2/en not_active Ceased
- 2005-10-28 EP EP05815013.7A patent/EP1810280B1/en not_active Expired - Lifetime
- 2005-10-28 JP JP2007539174A patent/JP4917039B2/ja not_active Expired - Lifetime
- 2005-10-28 KR KR1020077011845A patent/KR101210797B1/ko not_active Expired - Lifetime
- 2005-10-28 US US11/666,512 patent/US20070297519A1/en not_active Abandoned
- 2005-10-28 KR KR1020127013495A patent/KR101177677B1/ko not_active Expired - Lifetime
- 2005-10-28 PL PL05815013T patent/PL1810280T3/pl unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995026083A1 (de) | 1994-03-18 | 1995-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zum codieren mehrerer audiosignale |
| US5796844A (en) | 1996-07-19 | 1998-08-18 | Lexicon | Multichannel active matrix sound reproduction with maximum lateral separation |
| US20040105550A1 (en) | 2002-12-03 | 2004-06-03 | Aylward J. Richard | Directional electroacoustical transducing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102117617A (zh) | 2011-07-06 |
| JP4917039B2 (ja) | 2012-04-18 |
| KR20070084552A (ko) | 2007-08-24 |
| EP1810280A2 (en) | 2007-07-25 |
| CN101065797A (zh) | 2007-10-31 |
| WO2006050112A9 (en) | 2006-11-09 |
| KR101210797B1 (ko) | 2012-12-10 |
| WO2006050112A3 (en) | 2006-07-27 |
| US20070297519A1 (en) | 2007-12-27 |
| WO2006050112A2 (en) | 2006-05-11 |
| EP1810280B1 (en) | 2017-08-02 |
| CN102833665B (zh) | 2015-03-04 |
| HK1158805A1 (en) | 2012-07-20 |
| CN102833665A (zh) | 2012-12-19 |
| JP2008519491A (ja) | 2008-06-05 |
| KR101177677B1 (ko) | 2012-08-27 |
| PL1810280T3 (pl) | 2018-01-31 |
| WO2006050112A8 (en) | 2006-12-21 |
| CN102117617B (zh) | 2013-01-30 |
| KR20120064134A (ko) | 2012-06-18 |
| KR20120062027A (ko) | 2012-06-13 |
| CN101065797B (zh) | 2011-07-27 |
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