MY151722A - Concept for combining multiple parametrically coded audio sources - Google Patents

Concept for combining multiple parametrically coded audio sources

Info

Publication number
MY151722A
MY151722A MYPI20085348A MY151722A MY 151722 A MY151722 A MY 151722A MY PI20085348 A MYPI20085348 A MY PI20085348A MY 151722 A MY151722 A MY 151722A
Authority
MY
Malaysia
Prior art keywords
audio
concept
audio sources
combining multiple
coded audio
Prior art date
Application number
Inventor
Hilpert Johannes
Herre Juergen
Linzmeier Karsten
Hellmuth Oliver
Kastner Thorsten
Original Assignee
Fraunhofer Ges Forschung
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of MY151722A publication Critical patent/MY151722A/en

Links

Abstract

ACCORDING TO THE PRESENT INVENTION, MULTIPLE PARAMETRICALLY ENCODED AUDIO SIGNALS CAN BE EFFICIENTLY COMBINED USING AN AUDIO SIGNAL GENERATOR (100), WHICH GENERATES AN AUDIO OUTPUT SIGNAL (120) BY COMBINING THE DOWN-MIX CHANNELS(110A, 112A) AND THE ASSOCIATED PARAMETERS (110B,112B) OF THE AUDIO SIGNALS DIRECTLY WITHIN THE PARAMETER DOMAIN, I.E. WITHOUT RECONSTRUCTING OR DECODING THE INDIVIDUAL INPUT AUDIO SIGNALS PRIOR TO THE GENERATION OF THE AUDIO OUT-PUT SIGNAL (120). THIS IS ACHIEVED BY DIRECT MIXING OF THE ASSOCIATED DOWN-MIX CHANNELS (110A, 112A) OF THE INDIVIDUAL INPUT SIGNALS. IT IS ONE KEY FEATURE OF THE PRESENT INVENTION THAT THE COMBINATION OF THE DOWN-MIX CHANNELS (110A, 112A) IS ACHIEVED BY SIMPLE, COMPUTATIONALLY INEXPENSIVE ARITHMETIC OPERATIONS.
MYPI20085348 2006-07-07 2007-04-24 Concept for combining multiple parametrically coded audio sources MY151722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81941906P 2006-07-07 2006-07-07

Publications (1)

Publication Number Publication Date
MY151722A true MY151722A (en) 2014-06-30

Family

ID=40977771

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20085348 MY151722A (en) 2006-07-07 2007-04-24 Concept for combining multiple parametrically coded audio sources

Country Status (3)

Country Link
CN (1) CN101506875B (en)
MY (1) MY151722A (en)
ZA (1) ZA200900016B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2008013078A (en) 2007-02-14 2008-11-28 Lg Electronics Inc Methods and apparatuses for encoding and decoding object-based audio signals.
CN101542595B (en) * 2007-02-14 2016-04-13 Lg电子株式会社 For the method and apparatus of the object-based sound signal of Code And Decode
CN102395097A (en) * 2011-09-29 2012-03-28 深圳市万兴软件有限公司 Method and system for down-mixing multi-channel audio signals
US8880412B2 (en) 2011-12-13 2014-11-04 Futurewei Technologies, Inc. Method to select active channels in audio mixing for multi-party teleconferencing
CN109712630B (en) 2013-05-24 2023-05-30 杜比国际公司 Efficient encoding of audio scenes comprising audio objects
EP3005352B1 (en) * 2013-05-24 2017-03-29 Dolby International AB Audio object encoding and decoding
EP2866227A1 (en) * 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
EP2980789A1 (en) * 2014-07-30 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for enhancing an audio signal, sound enhancing system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6005948A (en) * 1997-03-21 1999-12-21 Sony Corporation Audio channel mixing
JP2005086486A (en) * 2003-09-09 2005-03-31 Alpine Electronics Inc Audio system and audio processing method

Also Published As

Publication number Publication date
CN101506875A (en) 2009-08-12
ZA200900016B (en) 2009-12-30
CN101506875B (en) 2012-12-19

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