TW200707406A - 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
TW200707406A
TW200707406A TW095124070A TW95124070A TW200707406A TW 200707406 A TW200707406 A TW 200707406A TW 095124070 A TW095124070 A TW 095124070A TW 95124070 A TW95124070 A TW 95124070A TW 200707406 A TW200707406 A TW 200707406A
Authority
TW
Taiwan
Prior art keywords
signal
spatial information
audio
header
audio signal
Prior art date
Application number
TW095124070A
Other languages
Chinese (zh)
Other versions
TWI305347B (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 TW200707406A publication Critical patent/TW200707406A/en
Application granted granted Critical
Publication of TWI305347B publication Critical patent/TWI305347B/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 an audio descriptor, recognizing that the audio signal includes a downmix signal and a spatial information signal using the audio descriptor, and converting the downmix signal to a multi-channel signal using the spatial information signal, wherein the spatial information signal includes a header each a preset temporal or spatial interval, and the spatial information signal includes a header each a preset temporal or spatial interval thereby the header can be selectively included in the spatial information signal and 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.
TW95124070A 2005-06-30 2006-06-30 Method and apparatus for encoding and decoding an audio signal TWI305347B (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
KR20060004056 2006-01-13
KR20060004065 2006-01-13
KR20060004055 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
TW200707406A true TW200707406A (en) 2007-02-16
TWI305347B TWI305347B (en) 2009-01-11

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
TW098104744A TWI459373B (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
TW95124070A TWI305347B (en) 2005-06-30 2006-06-30 Method and apparatus for encoding and decoding an audio signal

Family Applications Before (3)

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
TW098104744A TWI459373B (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

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
US6356639B1 (en) * 1997-04-11 2002-03-12 Matsushita Electric Industrial 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
BRPI0613076A2 (en) 2010-12-21
TWI459373B (en) 2014-11-01
TW200707401A (en) 2007-02-16
TW200947418A (en) 2009-11-16
TWI305347B (en) 2009-01-11
TWI333641B (en) 2010-11-21
TWI412021B (en) 2013-10-11
TW200939207A (en) 2009-09-16

Similar Documents

Publication Publication Date Title
WO2007004833A3 (en) Method and apparatus for encoding and decoding an audio signal
TW200746045A (en) Method for encoding and decoding multi-channel audio signal and apparatus thereof
WO2006126858A3 (en) Method of encoding and decoding an audio signal
EP1960999A4 (en) Method, medium, and apparatus encoding and/or decoding an audio signal
HK1149841A1 (en) System and method of encoding/decoding multi-channel audio signals
BRPI0608945C8 (en) multi-channel audio encoder, multi-channel audio decoder, method of encoding n audio signals into m audio signals and associated parametric data, method of decoding k audio signals and associated parametric data, method of transmitting and receiving an encoded multi-channel audio signal, computer-readable storage media, and broadcast system
MY184847A (en) Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework
JP2008542818A5 (en)
EP1913579A4 (en) Apparatus and method of encoding and decoding audio signal
EP1913577A4 (en) Apparatus for encoding and decoding audio signal and method thereof
WO2006126844A8 (en) Method and apparatus for decoding an audio signal
HK1123623A1 (en) Apparatus for encoding and decoding audio signal and method thereof
EP2097895A4 (en) Apparatus and method for coding and decoding multi-object audio signal with various channel including information bitstream conversion
HK1132576A1 (en) Method and apparatus for encoding/decoding multi-channel audio signal
HK1083664A1 (en) Apparatus and method for encoding an audio signal and apparatus and method for decoding an encoded audio signal
CA2621664A1 (en) Method and apparatus for decoding an audio signal
TW200742275A (en) Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information
EP4131261A4 (en) Audio signal encoding method, decoding method, encoding device, and decoding device
TW200746842A (en) Apparatus for processing media signal and method thereof
TW200707406A (en) Method and apparatus for encoding and decoding an audio signal
MY146180A (en) Method and apparatus for encoding and decoding an audio signal
WO2012087042A3 (en) Broadcast transmitting apparatus and broadcast transmitting method for providing an object-based audio, and broadcast playback apparatus and broadcast playback method
HK1124681A1 (en) Apparatus for encoding and decoding audio signal and method thereof
TW200723876A (en) System, firmware system, and multimedia reproducing system for performing scaling on a sub-picture
TWI319868B (en) Apparatus for encoding and decoding audio signal and method thereof

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees