WO2004019656A3 - Audio channel spatial translation - Google Patents
Audio channel spatial translation Download PDFInfo
- Publication number
- WO2004019656A3 WO2004019656A3 PCT/US2003/024570 US0324570W WO2004019656A3 WO 2004019656 A3 WO2004019656 A3 WO 2004019656A3 US 0324570 W US0324570 W US 0324570W WO 2004019656 A3 WO2004019656 A3 WO 2004019656A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- input signals
- correlation
- signals
- compact
- audio channel
- Prior art date
Links
Classifications
-
- 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
- H04S5/005—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 five- or more-channel type, e.g. virtual surround
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- 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
Abstract
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0305746-1A BRPI0305746B1 (en) | 2002-08-07 | 2003-08-06 | SPACE TRANSLATION OF AUDIO CHANNEL |
US10/522,515 US7660424B2 (en) | 2001-02-07 | 2003-08-06 | Audio channel spatial translation |
EP03770229A EP1527655B1 (en) | 2002-08-07 | 2003-08-06 | Audio channel spatial translation |
CN03817877XA CN1672464B (en) | 2002-08-07 | 2003-08-06 | Audio channel spatial translation |
JP2004530877A JP4434951B2 (en) | 2002-08-07 | 2003-08-06 | Spatial conversion of audio channels |
DE60308876T DE60308876T2 (en) | 2002-08-07 | 2003-08-06 | AUDIO CHANNEL IMPLEMENTATION |
AU2003278704A AU2003278704B2 (en) | 2002-08-07 | 2003-08-06 | Audio channel spatial translation |
DK03770229T DK1527655T3 (en) | 2002-08-07 | 2003-08-06 | Spatial translation of audio channel |
BR0305746-1A BR0305746A (en) | 2002-08-07 | 2003-08-06 | Audio Channel Spatial Translation |
CA2494454A CA2494454C (en) | 2002-08-07 | 2003-08-06 | Audio channel spatial translation |
MXPA05001413A MXPA05001413A (en) | 2002-08-07 | 2003-08-06 | Audio channel spatial translation. |
IL165941A IL165941A (en) | 2002-08-07 | 2004-12-22 | Audio channel spatial translation |
HK05106538A HK1073963A1 (en) | 2002-08-07 | 2005-08-01 | Audio channel spatial translation |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26728401P | 2001-02-07 | 2001-02-07 | |
US40198302P | 2002-08-07 | 2002-08-07 | |
US60/401,983 | 2002-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004019656A2 WO2004019656A2 (en) | 2004-03-04 |
WO2004019656A3 true WO2004019656A3 (en) | 2004-10-14 |
Family
ID=31949809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/024570 WO2004019656A2 (en) | 2001-02-07 | 2003-08-06 | Audio channel spatial translation |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2004019656A2 (en) |
Cited By (10)
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US8160258B2 (en) | 2006-02-07 | 2012-04-17 | Lg Electronics Inc. | Apparatus and method for encoding/decoding signal |
US8208641B2 (en) | 2006-01-19 | 2012-06-26 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
US8396574B2 (en) | 2007-07-13 | 2013-03-12 | Dolby Laboratories Licensing Corporation | Audio processing using auditory scene analysis and spectral skewness |
US8600074B2 (en) | 2006-04-04 | 2013-12-03 | Dolby Laboratories Licensing Corporation | Loudness modification of multichannel audio signals |
US8849433B2 (en) | 2006-10-20 | 2014-09-30 | Dolby Laboratories Licensing Corporation | Audio dynamics processing using a reset |
US8917874B2 (en) | 2005-05-26 | 2014-12-23 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
US9136810B2 (en) | 2006-04-27 | 2015-09-15 | Dolby Laboratories Licensing Corporation | Audio gain control using specific-loudness-based auditory event detection |
US9311922B2 (en) | 2004-03-01 | 2016-04-12 | Dolby Laboratories Licensing Corporation | Method, apparatus, and storage medium for decoding encoded audio channels |
US9350311B2 (en) | 2004-10-26 | 2016-05-24 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
US9595267B2 (en) | 2005-05-26 | 2017-03-14 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
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Publication number | Priority date | Publication date | Assignee | Title |
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US7660424B2 (en) | 2001-02-07 | 2010-02-09 | Dolby Laboratories Licensing Corporation | Audio channel spatial translation |
US7711123B2 (en) | 2001-04-13 | 2010-05-04 | Dolby Laboratories Licensing Corporation | Segmenting audio signals into auditory events |
US7610205B2 (en) | 2002-02-12 | 2009-10-27 | Dolby Laboratories Licensing Corporation | High quality time-scaling and pitch-scaling of audio signals |
US7508947B2 (en) * | 2004-08-03 | 2009-03-24 | Dolby Laboratories Licensing Corporation | Method for combining audio signals using auditory scene analysis |
JP5144272B2 (en) * | 2004-11-23 | 2013-02-13 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Audio data processing apparatus and method, computer program element, and computer-readable medium |
JP4610650B2 (en) * | 2005-03-30 | 2011-01-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Multi-channel audio encoding |
AU2006255662B2 (en) | 2005-06-03 | 2012-08-23 | Dolby Laboratories Licensing Corporation | Apparatus and method for encoding audio signals with decoding instructions |
CN101223575B (en) | 2005-07-14 | 2011-09-21 | 皇家飞利浦电子股份有限公司 | Audio encoding and decoding |
EP1761110A1 (en) * | 2005-09-02 | 2007-03-07 | Ecole Polytechnique Fédérale de Lausanne | Method to generate multi-channel audio signals from stereo signals |
KR100857107B1 (en) | 2005-09-14 | 2008-09-05 | 엘지전자 주식회사 | Method and apparatus for decoding an audio signal |
KR100803212B1 (en) * | 2006-01-11 | 2008-02-14 | 삼성전자주식회사 | Method and apparatus for scalable channel decoding |
US8296155B2 (en) | 2006-01-19 | 2012-10-23 | Lg Electronics Inc. | Method and apparatus for decoding a signal |
TWI336599B (en) | 2006-02-23 | 2011-01-21 | Lg Electronics Inc | Method and apparatus for processing a audio signal |
KR100773560B1 (en) | 2006-03-06 | 2007-11-05 | 삼성전자주식회사 | Method and apparatus for synthesizing stereo signal |
CN101411214B (en) * | 2006-03-28 | 2011-08-10 | 艾利森电话股份有限公司 | Method and arrangement for a decoder for multi-channel surround sound |
US7965848B2 (en) | 2006-03-29 | 2011-06-21 | Dolby International Ab | Reduced number of channels decoding |
EP1999745B1 (en) | 2006-03-30 | 2016-08-31 | LG Electronics Inc. | Apparatuses and methods for processing an audio signal |
KR100763920B1 (en) | 2006-08-09 | 2007-10-05 | 삼성전자주식회사 | Method and apparatus for decoding input signal which encoding multi-channel to mono or stereo signal to 2 channel binaural signal |
US20080235006A1 (en) | 2006-08-18 | 2008-09-25 | Lg Electronics, Inc. | Method and Apparatus for Decoding an Audio Signal |
CN102017402B (en) | 2007-12-21 | 2015-01-07 | Dts有限责任公司 | System for adjusting perceived loudness of audio signals |
JP5314129B2 (en) * | 2009-03-31 | 2013-10-16 | パナソニック株式会社 | Sound reproducing apparatus and sound reproducing method |
US8538042B2 (en) | 2009-08-11 | 2013-09-17 | Dts Llc | System for increasing perceived loudness of speakers |
US9008338B2 (en) | 2010-09-30 | 2015-04-14 | Panasonic Intellectual Property Management Co., Ltd. | Audio reproduction apparatus and audio reproduction method |
US9312829B2 (en) | 2012-04-12 | 2016-04-12 | Dts Llc | System for adjusting loudness of audio signals in real time |
BR112016006832B1 (en) | 2013-10-03 | 2022-05-10 | Dolby Laboratories Licensing Corporation | Method for deriving m diffuse audio signals from n audio signals for the presentation of a diffuse sound field, apparatus and non-transient medium |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1999051063A1 (en) * | 1998-03-31 | 1999-10-07 | Lake Technology Limited | Headtracked processing for headtracked playback of audio signals |
US6009179A (en) * | 1997-01-24 | 1999-12-28 | Sony Corporation | Method and apparatus for electronically embedding directional cues in two channels of sound |
EP1054575A2 (en) * | 1999-05-17 | 2000-11-22 | Bose Corporation | Directional decoding |
-
2003
- 2003-08-06 WO PCT/US2003/024570 patent/WO2004019656A2/en active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US6009179A (en) * | 1997-01-24 | 1999-12-28 | Sony Corporation | Method and apparatus for electronically embedding directional cues in two channels of sound |
WO1999051063A1 (en) * | 1998-03-31 | 1999-10-07 | Lake Technology Limited | Headtracked processing for headtracked playback of audio signals |
EP1054575A2 (en) * | 1999-05-17 | 2000-11-22 | Bose Corporation | Directional decoding |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9520135B2 (en) | 2004-03-01 | 2016-12-13 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques |
US9454969B2 (en) | 2004-03-01 | 2016-09-27 | Dolby Laboratories Licensing Corporation | Multichannel audio coding |
US9311922B2 (en) | 2004-03-01 | 2016-04-12 | Dolby Laboratories Licensing Corporation | Method, apparatus, and storage medium for decoding encoded audio channels |
US9350311B2 (en) | 2004-10-26 | 2016-05-24 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
US8917874B2 (en) | 2005-05-26 | 2014-12-23 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
US9595267B2 (en) | 2005-05-26 | 2017-03-14 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
US8411869B2 (en) | 2006-01-19 | 2013-04-02 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
US8488819B2 (en) | 2006-01-19 | 2013-07-16 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
US8521313B2 (en) | 2006-01-19 | 2013-08-27 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
US8208641B2 (en) | 2006-01-19 | 2012-06-26 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
US8351611B2 (en) | 2006-01-19 | 2013-01-08 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
US8160258B2 (en) | 2006-02-07 | 2012-04-17 | Lg Electronics Inc. | Apparatus and method for encoding/decoding signal |
US8638945B2 (en) | 2006-02-07 | 2014-01-28 | Lg Electronics, Inc. | Apparatus and method for encoding/decoding signal |
US8712058B2 (en) | 2006-02-07 | 2014-04-29 | Lg Electronics, Inc. | Apparatus and method for encoding/decoding signal |
US8625810B2 (en) | 2006-02-07 | 2014-01-07 | Lg Electronics, Inc. | Apparatus and method for encoding/decoding signal |
US8612238B2 (en) | 2006-02-07 | 2013-12-17 | Lg Electronics, Inc. | Apparatus and method for encoding/decoding signal |
US8296156B2 (en) | 2006-02-07 | 2012-10-23 | Lg Electronics, Inc. | Apparatus and method for encoding/decoding signal |
US8285556B2 (en) | 2006-02-07 | 2012-10-09 | Lg Electronics Inc. | Apparatus and method for encoding/decoding signal |
US9584083B2 (en) | 2006-04-04 | 2017-02-28 | Dolby Laboratories Licensing Corporation | Loudness modification of multichannel audio signals |
US8600074B2 (en) | 2006-04-04 | 2013-12-03 | Dolby Laboratories Licensing Corporation | Loudness modification of multichannel audio signals |
US9136810B2 (en) | 2006-04-27 | 2015-09-15 | Dolby Laboratories Licensing Corporation | Audio gain control using specific-loudness-based auditory event detection |
US9450551B2 (en) | 2006-04-27 | 2016-09-20 | Dolby Laboratories Licensing Corporation | Audio control using auditory event detection |
US8849433B2 (en) | 2006-10-20 | 2014-09-30 | Dolby Laboratories Licensing Corporation | Audio dynamics processing using a reset |
US8396574B2 (en) | 2007-07-13 | 2013-03-12 | Dolby Laboratories Licensing Corporation | Audio processing using auditory scene analysis and spectral skewness |
Also Published As
Publication number | Publication date |
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WO2004019656A2 (en) | 2004-03-04 |
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