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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (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 (es) |
JP (1) | JP4434951B2 (es) |
KR (1) | KR100988293B1 (es) |
CN (1) | CN1672464B (es) |
AT (1) | ATE341923T1 (es) |
AU (1) | AU2003278704B2 (es) |
BR (2) | BRPI0305746B1 (es) |
CA (1) | CA2494454C (es) |
DE (1) | DE60308876T2 (es) |
DK (1) | DK1527655T3 (es) |
ES (1) | ES2271654T3 (es) |
HK (1) | HK1073963A1 (es) |
IL (1) | IL165941A (es) |
MX (1) | MXPA05001413A (es) |
MY (1) | MY139849A (es) |
PL (1) | PL373120A1 (es) |
TW (1) | TWI315828B (es) |
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 |
AU2005299410B2 (en) | 2004-10-26 | 2011-04-07 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
EP1817938B1 (en) * | 2004-11-23 | 2008-08-20 | Koninklijke Philips Electronics N.V. | A device and a method to process audio data, a computer program element and a computer-readable medium |
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 |
WO2006126857A2 (en) | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method of encoding and decoding an audio signal |
WO2007004830A1 (en) | 2005-06-30 | 2007-01-11 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
MX2008000122A (es) | 2005-06-30 | 2008-03-18 | Lg Electronics Inc | Metodo y aparato para codificar y descodificar una senal de audio. |
US8494667B2 (en) | 2005-06-30 | 2013-07-23 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
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 |
JP4859925B2 (ja) | 2005-08-30 | 2012-01-25 | 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 |
US7822616B2 (en) | 2005-08-30 | 2010-10-26 | Lg Electronics Inc. | Time slot position coding of multiple frame types |
US7788107B2 (en) | 2005-08-30 | 2010-08-31 | Lg Electronics Inc. | Method for decoding an audio signal |
KR100857115B1 (ko) | 2005-10-05 | 2008-09-05 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치 |
JP2009511951A (ja) | 2005-10-05 | 2009-03-19 | エルジー エレクトロニクス インコーポレイティド | 信号処理方法及び装置、エンコーディング及びデコーディング方法並びにそのための装置 |
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 |
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 |
US7672379B2 (en) | 2005-10-05 | 2010-03-02 | Lg Electronics Inc. | Audio signal processing, encoding, and decoding |
US8068569B2 (en) | 2005-10-05 | 2011-11-29 | Lg Electronics, Inc. | Method and apparatus for signal processing and encoding and decoding |
US7751485B2 (en) | 2005-10-05 | 2010-07-06 | Lg Electronics Inc. | Signal processing using pilot based coding |
US7761289B2 (en) | 2005-10-24 | 2010-07-20 | Lg Electronics Inc. | Removing time delays in signal paths |
US7965848B2 (en) | 2006-03-29 | 2011-06-21 | Dolby International Ab | Reduced number of channels decoding |
US8583424B2 (en) * | 2008-06-26 | 2013-11-12 | France Telecom | Spatial synthesis of multichannel audio signals |
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 |
JP5323210B2 (ja) * | 2010-09-30 | 2013-10-23 | パナソニック株式会社 | 音響再生装置および音響再生方法 |
BR112014018342B1 (pt) * | 2012-03-22 | 2021-03-16 | Dirac Research Ab | Método e sistema para determinar um controlador de précompensação de áudio para um sistema gerador de som associado, memória legível por computador, controlador de pré- compensação de áudio e sistema de áudio |
EP2830335A3 (en) | 2013-07-22 | 2015-02-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method, and computer program for mapping first and second input channels to at least one output channel |
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 |
EP3319342B1 (en) * | 2015-06-24 | 2020-04-01 | Sony Corporation | Device, method, and program for processing sound |
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 |
FI3891736T3 (fi) | 2018-12-07 | 2023-04-14 | Fraunhofer Ges Forschung | Laite, menetelmä ja tietokoneohjelma koodausta, dekoodausta, kohtauksen prosessointia ja muita proseduureja varten liittyen dirac-pohjaiseen spatiaaliseen audiokoodaukseen käyttäen matalan asteen, keskiasteen ja korkean asteen komponenttigeneraattoreita |
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 PL PL03373120A patent/PL373120A1/xx unknown
- 2003-08-06 DK DK03770229T patent/DK1527655T3/da active
- 2003-08-06 KR KR1020057002087A patent/KR100988293B1/ko active IP Right Grant
- 2003-08-06 JP JP2004530877A patent/JP4434951B2/ja not_active Expired - Lifetime
- 2003-08-06 BR BRPI0305746-1A patent/BRPI0305746B1/pt unknown
- 2003-08-06 CN CN03817877XA patent/CN1672464B/zh 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 MX MXPA05001413A patent/MXPA05001413A/es active IP Right Grant
- 2003-08-06 DE DE60308876T patent/DE60308876T2/de not_active Expired - Lifetime
- 2003-08-06 EP EP03770229A patent/EP1527655B1/en not_active Expired - Lifetime
- 2003-08-06 ES ES03770229T patent/ES2271654T3/es not_active Expired - Lifetime
- 2003-08-06 AU AU2003278704A patent/AU2003278704B2/en not_active Expired
- 2003-08-06 AT AT03770229T patent/ATE341923T1/de active
- 2003-08-06 BR BR0305746-1A patent/BR0305746A/pt active IP Right Grant
-
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 |
---|---|
CA2494454A1 (en) | 2004-03-04 |
CA2494454C (en) | 2013-10-01 |
IL165941A0 (en) | 2006-01-15 |
ATE341923T1 (de) | 2006-10-15 |
MXPA05001413A (es) | 2005-06-06 |
KR100988293B1 (ko) | 2010-10-18 |
IL165941A (en) | 2010-06-30 |
AU2003278704B2 (en) | 2009-04-23 |
JP4434951B2 (ja) | 2010-03-17 |
EP1527655A2 (en) | 2005-05-04 |
TW200404222A (en) | 2004-03-16 |
EP1527655B1 (en) | 2006-10-04 |
PL373120A1 (en) | 2005-08-08 |
BRPI0305746B1 (pt) | 2018-03-20 |
AU2003278704A1 (en) | 2004-03-11 |
JP2005535266A (ja) | 2005-11-17 |
DE60308876D1 (de) | 2006-11-16 |
CN1672464B (zh) | 2010-07-28 |
MY139849A (en) | 2009-11-30 |
ES2271654T3 (es) | 2007-04-16 |
CN1672464A (zh) | 2005-09-21 |
KR20050035878A (ko) | 2005-04-19 |
BR0305746A (pt) | 2004-12-07 |
DK1527655T3 (da) | 2007-01-29 |
HK1073963A1 (en) | 2005-10-21 |
DE60308876T2 (de) | 2007-03-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI315828B (en) | Audio channel spatial translation | |
WO2004019656A3 (en) | Audio channel spatial translation | |
ATE390823T1 (de) | Audiokanalübersetzung | |
PL1621047T3 (pl) | Generowanie sygnału audio | |
WO2005002278A3 (en) | Multi-channel sound processing systems | |
GB2442169A (en) | Compact surround-sound effects system | |
EP1699259A1 (en) | Audio output apparatus | |
EP1370115A3 (en) | Sound image control system | |
ATE444549T1 (de) | Tonkanalkonvertierung | |
WO2003093950A3 (en) | Localized audio networks and associated digital accessories | |
DE69832595D1 (de) | Mehrweg-audiodekoder | |
PL1618763T3 (pl) | Synteza sygnału audio | |
TW200625239A (en) | Methods and systems to control electronic display brightness | |
NZ585906A (en) | Streaming game or application audio-visual data over a public network after compressing the data using parallel processing | |
WO2016183379A3 (en) | Generation and playback of near-field audio content | |
EP1777990A3 (en) | Multi-channel audio system | |
WO2003103337A3 (en) | METHODS AND APPARATUS FOR GENERATING SUBHARMONICS, STEREO EXPANSION AND DISTORTION | |
ATE513412T1 (de) | Mikrofonschaltung mit einstellbarem richtmuster zur verringerung von lautsprecherrükkopplung und betriebsverfahren dafür | |
WO2006076926A3 (en) | Audio processor for narrow-spaced loudspeaker reproduction | |
WO2004003720A8 (en) | Method and apparatus for composing and performing music | |
AU2003247408A1 (en) | Time delay estimation for equalisation | |
CA2431124A1 (en) | Mouse enabled phone | |
CN219938515U (zh) | 一种双声道定向发声装置 | |
CN200941684Y (zh) | 一种系统组合音响 | |
KR20080066121A (ko) | 음 지연과 레벨 감쇄를 통한 서라운드 입체음향 시스템 및그 구현방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK4A | Expiration of patent term of an invention patent |