EP1922721A4 - A method for decoding an audio signal - Google Patents
A method for decoding an audio signalInfo
- Publication number
- EP1922721A4 EP1922721A4 EP06798587A EP06798587A EP1922721A4 EP 1922721 A4 EP1922721 A4 EP 1922721A4 EP 06798587 A EP06798587 A EP 06798587A EP 06798587 A EP06798587 A EP 06798587A EP 1922721 A4 EP1922721 A4 EP 1922721A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- decoding
- audio signal
- audio
- signal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
- 230000005236 sound signal Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 | |
US74860705P | 2005-12-09 | 2005-12-09 | |
KR20060004055 | 2006-01-13 | ||
KR20060004065 | 2006-01-13 | ||
KR20060004056 | 2006-01-13 | ||
US76253606P | 2006-01-27 | 2006-01-27 | |
US80382506P | 2006-06-02 | 2006-06-02 | |
KR1020060056480A KR20070003574A (en) | 2005-06-30 | 2006-06-22 | Method and apparatus for encoding and decoding an audio signal |
PCT/KR2006/003434 WO2007027055A1 (en) | 2005-08-30 | 2006-08-30 | A method for decoding an audio signal |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1922721A1 EP1922721A1 (en) | 2008-05-21 |
EP1922721A4 true EP1922721A4 (en) | 2011-04-13 |
Family
ID=37809094
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06798589A Withdrawn EP1922722A4 (en) | 2005-08-30 | 2006-08-30 | A method for decoding an audio signal |
EP06798588A Withdrawn EP1932147A4 (en) | 2005-08-30 | 2006-08-30 | A method for decoding an audio signal |
EP06798587A Withdrawn EP1922721A4 (en) | 2005-08-30 | 2006-08-30 | A method for decoding an audio signal |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06798589A Withdrawn EP1922722A4 (en) | 2005-08-30 | 2006-08-30 | A method for decoding an audio signal |
EP06798588A Withdrawn EP1932147A4 (en) | 2005-08-30 | 2006-08-30 | A method for decoding an audio signal |
Country Status (5)
Country | Link |
---|---|
EP (3) | EP1922722A4 (en) |
KR (1) | KR100830472B1 (en) |
AU (1) | AU2006285544B2 (en) |
CA (1) | CA2620030C (en) |
WO (3) | WO2007027056A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8615088B2 (en) | 2008-01-23 | 2013-12-24 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal using preset matrix for controlling gain or panning |
EP2083585B1 (en) | 2008-01-23 | 2010-09-15 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
KR101024924B1 (en) * | 2008-01-23 | 2011-03-31 | 엘지전자 주식회사 | A method and an apparatus for processing an audio signal |
KR20140046980A (en) | 2012-10-11 | 2014-04-21 | 한국전자통신연구원 | Apparatus and method for generating audio data, apparatus and method for playing audio data |
WO2014058275A1 (en) * | 2012-10-11 | 2014-04-17 | 한국전자통신연구원 | Device and method for generating audio data, and device and method for playing audio data |
EP3196875B1 (en) * | 2014-09-12 | 2019-03-20 | Sony Corporation | Transmission device, transmission method, reception device, and reception method |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9000338A (en) * | 1989-06-02 | 1991-01-02 | Koninkl Philips Electronics Nv | DIGITAL TRANSMISSION SYSTEM, TRANSMITTER AND RECEIVER FOR USE IN THE TRANSMISSION SYSTEM AND RECORD CARRIED OUT WITH THE TRANSMITTER IN THE FORM OF A RECORDING DEVICE. |
JP3088319B2 (en) * | 1996-02-07 | 2000-09-18 | 松下電器産業株式会社 | Decoding device and decoding method |
EP0827312A3 (en) * | 1996-08-22 | 2003-10-01 | Marconi Communications GmbH | Method for changing the configuration of data packets |
US6339760B1 (en) * | 1998-04-28 | 2002-01-15 | Hitachi, Ltd. | Method and system for synchronization of decoded audio and video by adding dummy data to compressed audio data |
JPH11330980A (en) * | 1998-05-13 | 1999-11-30 | Matsushita Electric Ind Co Ltd | Decoding device and method and recording medium recording decoding procedure |
JP3346556B2 (en) * | 1998-11-16 | 2002-11-18 | 日本ビクター株式会社 | Audio encoding method and audio decoding method |
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 |
MY123651A (en) | 1999-04-07 | 2006-05-31 | Dolby Laboratories Licensing Corp | Matrix improvements to lossless encoding and decoding |
BRPI0304540B1 (en) | 2002-04-22 | 2017-12-12 | Koninklijke Philips N. V | METHODS FOR CODING AN AUDIO SIGNAL, AND TO DECODE AN CODED AUDIO SIGN, ENCODER TO CODIFY AN AUDIO SIGN, CODIFIED AUDIO SIGN, STORAGE MEDIA, AND, DECODER TO DECOD A CODED AUDIO SIGN |
AU2003281128A1 (en) * | 2002-07-16 | 2004-02-02 | Koninklijke Philips Electronics N.V. | Audio coding |
JP4084990B2 (en) * | 2002-11-19 | 2008-04-30 | 株式会社ケンウッド | Encoding device, decoding device, encoding method and decoding method |
US20040199276A1 (en) * | 2003-04-03 | 2004-10-07 | Wai-Leong Poon | Method and apparatus for audio synchronization |
JP2005352396A (en) | 2004-06-14 | 2005-12-22 | Matsushita Electric Ind Co Ltd | Sound signal encoding device and sound signal decoding device |
KR100663729B1 (en) * | 2004-07-09 | 2007-01-02 | 한국전자통신연구원 | Method and apparatus for encoding and decoding multi-channel audio signal using virtual source location information |
US8204261B2 (en) * | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
KR100682904B1 (en) * | 2004-12-01 | 2007-02-15 | 삼성전자주식회사 | Apparatus and method for processing multichannel audio signal using space information |
-
2006
- 2006-08-30 EP EP06798589A patent/EP1922722A4/en not_active Withdrawn
- 2006-08-30 CA CA2620030A patent/CA2620030C/en active Active
- 2006-08-30 WO PCT/KR2006/003435 patent/WO2007027056A1/en active Application Filing
- 2006-08-30 EP EP06798588A patent/EP1932147A4/en not_active Withdrawn
- 2006-08-30 EP EP06798587A patent/EP1922721A4/en not_active Withdrawn
- 2006-08-30 WO PCT/KR2006/003436 patent/WO2007027057A1/en active Application Filing
- 2006-08-30 WO PCT/KR2006/003434 patent/WO2007027055A1/en active Application Filing
- 2006-08-30 AU AU2006285544A patent/AU2006285544B2/en not_active Ceased
- 2006-08-30 KR KR1020060083010A patent/KR100830472B1/en not_active IP Right Cessation
Non-Patent Citations (3)
Title |
---|
"WD 2 for MPEG Surround", ITU STUDY GROUP 16 - VIDEO CODING EXPERTS GROUP -ISO/IEC MPEG & ITU-T VCEG(ISO/IEC JTC1/SC29/WG11 AND ITU-T SG16 Q6), XX, XX, no. N7387, 29 July 2005 (2005-07-29), XP030013965 * |
KRISTOFER KJÖRLING: "Proposal for extended signalling in Spatial Audio", ITU STUDY GROUP 16 - VIDEO CODING EXPERTS GROUP -ISO/IEC MPEG & ITU-T VCEG(ISO/IEC JTC1/SC29/WG11 AND ITU-T SG16 Q6), XX, XX, no. M12361, 20 July 2005 (2005-07-20), XP030041045 * |
See also references of WO2007027055A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2007027056A1 (en) | 2007-03-08 |
CA2620030C (en) | 2011-08-23 |
KR20070061280A (en) | 2007-06-13 |
EP1932147A1 (en) | 2008-06-18 |
EP1932147A4 (en) | 2011-03-30 |
AU2006285544A1 (en) | 2007-03-08 |
CA2620030A1 (en) | 2007-03-08 |
EP1922722A4 (en) | 2011-03-30 |
WO2007027057A1 (en) | 2007-03-08 |
KR100830472B1 (en) | 2008-05-20 |
AU2006285544B2 (en) | 2012-01-12 |
EP1922722A1 (en) | 2008-05-21 |
EP1922721A1 (en) | 2008-05-21 |
WO2007027055A1 (en) | 2007-03-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20080320 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: LG ELECTRONICS INC. |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20110316 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: G10L 19/00 20060101AFI20070518BHEP Ipc: G10L 19/14 20060101ALI20110310BHEP Ipc: G10L 19/02 20060101ALI20110310BHEP |
|
DAX | Request for extension of the european patent (deleted) | ||
17Q | First examination report despatched |
Effective date: 20170404 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20170815 |