TWI315828B - Audio channel spatial translation - Google Patents
Audio channel spatial translationInfo
- Publication number
- TWI315828B TWI315828B TW092121482A TW92121482A TWI315828B TW I315828 B TWI315828 B TW I315828B TW 092121482 A TW092121482 A TW 092121482A TW 92121482 A TW92121482 A TW 92121482A TW I315828 B TWI315828 B TW I315828B
- Authority
- TW
- Taiwan
- Prior art keywords
- input signals
- correlation
- signals
- compact
- audio channel
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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
- H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Analysis (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
- Machine Translation (AREA)
- Stereo-Broadcasting Methods (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40198302P | 2002-08-07 | 2002-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200404222A TW200404222A (en) | 2004-03-16 |
TWI315828B true TWI315828B (en) | 2009-10-11 |
Family
ID=33489220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW092121482A TWI315828B (en) | 2002-08-07 | 2003-08-06 | Audio channel spatial translation |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP1527655B1 (xx) |
JP (1) | JP4434951B2 (xx) |
KR (1) | KR100988293B1 (xx) |
CN (1) | CN1672464B (xx) |
AT (1) | ATE341923T1 (xx) |
AU (1) | AU2003278704B2 (xx) |
BR (2) | BR0305746A (xx) |
CA (1) | CA2494454C (xx) |
DE (1) | DE60308876T2 (xx) |
DK (1) | DK1527655T3 (xx) |
ES (1) | ES2271654T3 (xx) |
HK (1) | HK1073963A1 (xx) |
IL (1) | IL165941A (xx) |
MX (1) | MXPA05001413A (xx) |
MY (1) | MY139849A (xx) |
PL (1) | PL373120A1 (xx) |
TW (1) | TWI315828B (xx) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7508947B2 (en) * | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
EP1805891B1 (en) | 2004-10-26 | 2012-05-16 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
CN101065988B (zh) * | 2004-11-23 | 2011-03-02 | 皇家飞利浦电子股份有限公司 | 处理音频数据的设备和方法 |
TWI397901B (zh) * | 2004-12-21 | 2013-06-01 | Dolby Lab Licensing Corp | 控制音訊信號比響度特性之方法及其相關裝置與電腦程式 |
EP1905004A2 (en) | 2005-05-26 | 2008-04-02 | LG Electronics Inc. | Method of encoding and decoding an audio signal |
JP2009500656A (ja) | 2005-06-30 | 2009-01-08 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号をエンコーディング及びデコーディングするための装置とその方法 |
EP1946294A2 (en) | 2005-06-30 | 2008-07-23 | LG Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
EP1908057B1 (en) | 2005-06-30 | 2012-06-20 | LG Electronics Inc. | Method and apparatus for decoding an audio signal |
US8577483B2 (en) | 2005-08-30 | 2013-11-05 | Lg Electronics, Inc. | Method for decoding an audio signal |
JP4568363B2 (ja) | 2005-08-30 | 2010-10-27 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号デコーディング方法及びその装置 |
US7788107B2 (en) | 2005-08-30 | 2010-08-31 | Lg Electronics Inc. | Method for decoding an audio signal |
TWI405475B (zh) | 2005-08-30 | 2013-08-11 | Lg Electronics Inc | 音頻訊號之編碼及解碼裝置及其方法、電腦可讀取媒體及其系統、及可代表該音頻訊號位元流中之資料結構 |
US8068569B2 (en) | 2005-10-05 | 2011-11-29 | Lg Electronics, Inc. | Method and apparatus for signal processing and encoding and decoding |
EP1946299A4 (en) | 2005-10-05 | 2009-12-02 | Lg Electronics Inc | METHOD AND APPARATUS FOR SIGNAL PROCESSING |
US7696907B2 (en) | 2005-10-05 | 2010-04-13 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
US7751485B2 (en) | 2005-10-05 | 2010-07-06 | Lg Electronics Inc. | Signal processing using pilot based coding |
US7672379B2 (en) | 2005-10-05 | 2010-03-02 | Lg Electronics Inc. | Audio signal processing, encoding, and decoding |
US7646319B2 (en) | 2005-10-05 | 2010-01-12 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
KR100857117B1 (ko) | 2005-10-05 | 2008-09-05 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치 |
US20070092086A1 (en) | 2005-10-24 | 2007-04-26 | Pang Hee S | Removing time delays in signal paths |
US7965848B2 (en) | 2006-03-29 | 2011-06-21 | Dolby International Ab | Reduced number of channels decoding |
CN102077276B (zh) * | 2008-06-26 | 2014-04-09 | 法国电信公司 | 多声道音频信号的空间合成 |
WO2010080451A1 (en) | 2008-12-18 | 2010-07-15 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
US9197978B2 (en) * | 2009-03-31 | 2015-11-24 | Panasonic Intellectual Property Management Co., Ltd. | Sound reproduction apparatus and sound reproduction method |
CN101527874B (zh) * | 2009-04-28 | 2011-03-23 | 张勤 | 一种动声声场系统 |
TWI444989B (zh) * | 2010-01-22 | 2014-07-11 | Dolby Lab Licensing Corp | 針對改良多通道上混使用多通道解相關之技術 |
US9008338B2 (en) * | 2010-09-30 | 2015-04-14 | Panasonic Intellectual Property Management Co., Ltd. | Audio reproduction apparatus and audio reproduction method |
KR101895656B1 (ko) * | 2012-03-22 | 2018-10-18 | 디락 리서치 에이비 | 지원 스피커의 변수 세트를 사용하는 오디오 사전 보상 제어기 설계 |
EP2830332A3 (en) | 2013-07-22 | 2015-03-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method, signal processing unit, and computer program for mapping a plurality of input channels of an input channel configuration to output channels of an output channel configuration |
EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
CN107710790B (zh) * | 2015-06-24 | 2021-06-22 | 索尼公司 | 用于处理声音的装置、方法及程序 |
CN106604199B (zh) * | 2016-12-23 | 2018-09-18 | 湖南国科微电子股份有限公司 | 一种数字音频信号的矩阵处理方法及装置 |
US11019449B2 (en) * | 2018-10-06 | 2021-05-25 | Qualcomm Incorporated | Six degrees of freedom and three degrees of freedom backward compatibility |
ES2941268T3 (es) | 2018-12-07 | 2023-05-19 | Fraunhofer Ges Forschung | Aparato, método y programa informático para codificación, decodificación, procesamiento de escenas y otros procedimientos relacionados con codificación de audio espacial basada en dirac que utiliza compensación difusa |
TWI740206B (zh) * | 2019-09-16 | 2021-09-21 | 宏碁股份有限公司 | 訊號量測的校正系統及其校正方法 |
CN114327040A (zh) * | 2021-11-25 | 2022-04-12 | 歌尔股份有限公司 | 振动信号生成方法、装置、电子设备及存储介质 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5659619A (en) * | 1994-05-11 | 1997-08-19 | Aureal Semiconductor, Inc. | Three-dimensional virtual audio display employing reduced complexity imaging filters |
US6009179A (en) * | 1997-01-24 | 1999-12-28 | Sony Corporation | Method and apparatus for electronically embedding directional cues in two channels of sound |
US6072878A (en) * | 1997-09-24 | 2000-06-06 | Sonic Solutions | Multi-channel surround sound mastering and reproduction techniques that preserve spatial harmonics |
AUPP271598A0 (en) * | 1998-03-31 | 1998-04-23 | Lake Dsp Pty Limited | Headtracked processing for headtracked playback of audio signals |
EP1054575A3 (en) * | 1999-05-17 | 2002-09-18 | Bose Corporation | Directional decoding |
-
2003
- 2003-08-06 TW TW092121482A patent/TWI315828B/zh not_active IP Right Cessation
- 2003-08-06 BR BR0305746-1A patent/BR0305746A/pt active IP Right Grant
- 2003-08-06 DK DK03770229T patent/DK1527655T3/da active
- 2003-08-06 AT AT03770229T patent/ATE341923T1/de active
- 2003-08-06 DE DE60308876T patent/DE60308876T2/de not_active Expired - Lifetime
- 2003-08-06 MX MXPA05001413A patent/MXPA05001413A/es active IP Right Grant
- 2003-08-06 EP EP03770229A patent/EP1527655B1/en not_active Expired - Lifetime
- 2003-08-06 CN CN03817877XA patent/CN1672464B/zh not_active Expired - Lifetime
- 2003-08-06 JP JP2004530877A patent/JP4434951B2/ja not_active Expired - Lifetime
- 2003-08-06 KR KR1020057002087A patent/KR100988293B1/ko active IP Right Grant
- 2003-08-06 AU AU2003278704A patent/AU2003278704B2/en not_active Expired
- 2003-08-06 ES ES03770229T patent/ES2271654T3/es not_active Expired - Lifetime
- 2003-08-06 MY MYPI20032976A patent/MY139849A/en unknown
- 2003-08-06 CA CA2494454A patent/CA2494454C/en not_active Expired - Lifetime
- 2003-08-06 BR BRPI0305746-1A patent/BRPI0305746B1/pt unknown
- 2003-08-06 PL PL03373120A patent/PL373120A1/xx unknown
-
2004
- 2004-12-22 IL IL165941A patent/IL165941A/en active IP Right Grant
-
2005
- 2005-08-01 HK HK05106538A patent/HK1073963A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CN1672464A (zh) | 2005-09-21 |
EP1527655A2 (en) | 2005-05-04 |
DE60308876D1 (de) | 2006-11-16 |
JP2005535266A (ja) | 2005-11-17 |
ES2271654T3 (es) | 2007-04-16 |
EP1527655B1 (en) | 2006-10-04 |
DE60308876T2 (de) | 2007-03-01 |
KR20050035878A (ko) | 2005-04-19 |
BRPI0305746B1 (pt) | 2018-03-20 |
CA2494454A1 (en) | 2004-03-04 |
ATE341923T1 (de) | 2006-10-15 |
IL165941A (en) | 2010-06-30 |
MXPA05001413A (es) | 2005-06-06 |
AU2003278704B2 (en) | 2009-04-23 |
MY139849A (en) | 2009-11-30 |
HK1073963A1 (en) | 2005-10-21 |
JP4434951B2 (ja) | 2010-03-17 |
KR100988293B1 (ko) | 2010-10-18 |
IL165941A0 (en) | 2006-01-15 |
PL373120A1 (en) | 2005-08-08 |
DK1527655T3 (da) | 2007-01-29 |
BR0305746A (pt) | 2004-12-07 |
CA2494454C (en) | 2013-10-01 |
CN1672464B (zh) | 2010-07-28 |
TW200404222A (en) | 2004-03-16 |
AU2003278704A1 (en) | 2004-03-11 |
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Legal Events
Date | Code | Title | Description |
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MK4A | Expiration of patent term of an invention patent |