TW200707401A - Method and apparatus for encoding and decoding an audio signal - Google Patents

Method and apparatus for encoding and decoding an audio signal

Info

Publication number
TW200707401A
TW200707401A TW095124069A TW95124069A TW200707401A TW 200707401 A TW200707401 A TW 200707401A TW 095124069 A TW095124069 A TW 095124069A TW 95124069 A TW95124069 A TW 95124069A TW 200707401 A TW200707401 A TW 200707401A
Authority
TW
Taiwan
Prior art keywords
signal
spatial information
audio signal
header
decoding
Prior art date
Application number
TW095124069A
Other languages
Chinese (zh)
Other versions
TWI333641B (en
Inventor
Hee-Suk Pang
Hyen-O Oh
Dong-Soo Kim
Jae-Hyun Lin
Yang-Won Jung
Original Assignee
Lg Electronics Inc
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
Priority claimed from KR1020060056480A external-priority patent/KR20070003574A/en
Application filed by Lg Electronics Inc filed Critical Lg Electronics Inc
Publication of TW200707401A publication Critical patent/TW200707401A/en
Application granted granted Critical
Publication of TWI333641B publication Critical patent/TWI333641B/en

Links

Abstract

A method and apparatus for encoding and decoding an audio signal are provided. The present invention includes receiving an audio signal including a downmix signal and a spatial information signal, if a header is included in the spatial information signal, extracting configuration information from the header, extracting spatial information included in the spatial information signal, and converting the downmix signal to a multi-channel signal using the configuration information and the spatial information. Accordingly, the header can be selectively included in the spatial information signal, thereby if the header is plurally included in the spatial information signal, it is able to decode spatial information in case of reproducing the audio signal from a random point.
TW95124069A 2005-06-30 2006-06-30 Method and apparatus for encoding and decoding an audio signal TWI333641B (en)

Applications Claiming Priority (13)

Application Number Priority Date Filing Date Title
US69500705P 2005-06-30 2005-06-30
US71211905P 2005-08-30 2005-08-30
US71920205P 2005-09-22 2005-09-22
US72300705P 2005-10-04 2005-10-04
US72622805P 2005-10-14 2005-10-14
US72922505P 2005-10-24 2005-10-24
US73562805P 2005-11-12 2005-11-12
KR20060004055 2006-01-13
KR20060004065 2006-01-13
KR20060004056 2006-01-13
US78674006P 2006-03-29 2006-03-29
US79232906P 2006-04-17 2006-04-17
KR1020060056480A KR20070003574A (en) 2005-06-30 2006-06-22 Method and apparatus for encoding and decoding an audio signal

Publications (2)

Publication Number Publication Date
TW200707401A true TW200707401A (en) 2007-02-16
TWI333641B TWI333641B (en) 2010-11-21

Family

ID=43352677

Family Applications (4)

Application Number Title Priority Date Filing Date
TW95124069A TWI333641B (en) 2005-06-30 2006-06-30 Method and apparatus for encoding and decoding an audio signal
TW98104741A TWI412021B (en) 2005-06-30 2006-06-30 Method and apparatus for encoding and decoding an audio signal
TW098104744A TWI459373B (en) 2005-06-30 2006-06-30 Method and apparatus for encoding and decoding an audio signal
TW95124070A TWI305347B (en) 2005-06-30 2006-06-30 Method and apparatus for encoding and decoding an audio signal

Family Applications After (3)

Application Number Title Priority Date Filing Date
TW98104741A TWI412021B (en) 2005-06-30 2006-06-30 Method and apparatus for encoding and decoding an audio signal
TW098104744A TWI459373B (en) 2005-06-30 2006-06-30 Method and apparatus for encoding and decoding an audio signal
TW95124070A TWI305347B (en) 2005-06-30 2006-06-30 Method and apparatus for encoding and decoding an audio signal

Country Status (2)

Country Link
BR (1) BRPI0613076A2 (en)
TW (4) TWI333641B (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4621862A (en) * 1984-10-22 1986-11-11 The Coca-Cola Company Closing means for trucks
US5893066A (en) * 1996-10-15 1999-04-06 Samsung Electronics Co. Ltd. Fast requantization apparatus and method for MPEG audio decoding
TW405328B (en) * 1997-04-11 2000-09-11 Matsushita Electric Ind Co Ltd Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipment
JPH11330980A (en) * 1998-05-13 1999-11-30 Matsushita Electric Ind Co Ltd Decoding device and method and recording medium recording decoding procedure
US6631352B1 (en) * 1999-01-08 2003-10-07 Matushita Electric Industrial Co. Ltd. Decoding circuit and reproduction apparatus which mutes audio after header parameter changes
TW569550B (en) * 2001-12-28 2004-01-01 Univ Nat Central Method of inverse-modified discrete cosine transform and overlap-add for MPEG layer 3 voice signal decoding and apparatus thereof
US20040199276A1 (en) * 2003-04-03 2004-10-07 Wai-Leong Poon Method and apparatus for audio synchronization

Also Published As

Publication number Publication date
TWI305347B (en) 2009-01-11
TWI333641B (en) 2010-11-21
TW200707406A (en) 2007-02-16
TW200947418A (en) 2009-11-16
TW200939207A (en) 2009-09-16
TWI459373B (en) 2014-11-01
TWI412021B (en) 2013-10-11
BRPI0613076A2 (en) 2010-12-21

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