TW200740264A - Method for encoding and decoding multi-channel audio signal and apparatus thereof - Google Patents

Method for encoding and decoding multi-channel audio signal and apparatus thereof

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Publication number
TW200740264A
TW200740264A TW095138759A TW95138759A TW200740264A TW 200740264 A TW200740264 A TW 200740264A TW 095138759 A TW095138759 A TW 095138759A TW 95138759 A TW95138759 A TW 95138759A TW 200740264 A TW200740264 A TW 200740264A
Authority
TW
Taiwan
Prior art keywords
channel audio
audio signal
encoding
signal
decoding multi
Prior art date
Application number
TW095138759A
Other languages
Chinese (zh)
Other versions
TWI330992B (en
Inventor
Yang-Won Jung
Hee-Suk Pang
Hyen-O Oh
Dong-Soo Kim
Jae-Hyun Lin
Original Assignee
Lg Electronics Inc
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Filing date
Publication date
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of TW200740264A publication Critical patent/TW200740264A/en
Application granted granted Critical
Publication of TWI330992B publication Critical patent/TWI330992B/en

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  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Methods and apparatuses for encoding and decoding a multi-channel audio signal are provided. In the encoding method, spatial information is calculated based on a multi-channel audio signal and a down-mix signal, and a compensation parameter that compensates for the down-mix signal is calculated based on the multi-channel audio signal and the down-mix signal. Thereafter, a bitstream is generated by encoding the spatial information, the compensation parameter, and the down-mix signal and combining the results of the encoding. Therefore, it is possible to prevent deterioration of the quality of sound regarding a multi-channel audio signal by compensating for the multi-channel audio signal using a compensation parameter that compensates for a down-mix signal.
TW95138759A 2005-10-20 2006-10-20 Method for encoding and decoding multi-channel audio signal and apparatus thereof TWI330992B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US72830905P 2005-10-20 2005-10-20
US73429205P 2005-11-08 2005-11-08
US76573006P 2006-02-07 2006-02-07
KR20060071753 2006-07-28

Publications (2)

Publication Number Publication Date
TW200740264A true TW200740264A (en) 2007-10-16
TWI330992B TWI330992B (en) 2010-09-21

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TW95138759A TWI330992B (en) 2005-10-20 2006-10-20 Method for encoding and decoding multi-channel audio signal and apparatus thereof
TW97151237A TWI390993B (en) 2005-10-20 2006-10-20 Method for encoding and decoding multi-channel audio signal and apparatus thereof

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Application Number Title Priority Date Filing Date
TW97151237A TWI390993B (en) 2005-10-20 2006-10-20 Method for encoding and decoding multi-channel audio signal and apparatus thereof

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TW (2) TWI330992B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100866885B1 (en) 2005-10-20 2008-11-04 엘지전자 주식회사 Method for encoding and decoding multi-channel audio signal and apparatus thereof
EP2346028A1 (en) 2009-12-17 2011-07-20 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. An apparatus and a method for converting a first parametric spatial audio signal into a second parametric spatial audio signal

Also Published As

Publication number Publication date
TWI390993B (en) 2013-03-21
TWI330992B (en) 2010-09-21
TW200939865A (en) 2009-09-16

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