EP1920438A4 - Method for generating encoded audio signal and method for processing audio signal - Google Patents
Method for generating encoded audio signal and method for processing audio signalInfo
- Publication number
- EP1920438A4 EP1920438A4 EP06769317A EP06769317A EP1920438A4 EP 1920438 A4 EP1920438 A4 EP 1920438A4 EP 06769317 A EP06769317 A EP 06769317A EP 06769317 A EP06769317 A EP 06769317A EP 1920438 A4 EP1920438 A4 EP 1920438A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- audio signal
- generating encoded
- processing
- encoded audio
- processing audio
- 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.)
- Ceased
Links
- 230000005236 sound signal Effects 0.000 title 2
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
- 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Mobile Radio Communication Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70346305P | 2005-07-29 | 2005-07-29 | |
US71652605P | 2005-09-14 | 2005-09-14 | |
KR1020060004048A KR20070031212A (en) | 2005-09-14 | 2006-01-13 | Method and Apparatus for encoding/decoding audio signal |
KR1020060017660A KR20070014937A (en) | 2005-07-29 | 2006-02-23 | Method and apparatus for encoding/decoding audio signal |
KR1020060017659A KR20070014936A (en) | 2005-07-29 | 2006-02-23 | Method and apparatus for encoding/decoding audio signal |
US81602206P | 2006-06-22 | 2006-06-22 | |
PCT/KR2006/002982 WO2007013781A1 (en) | 2005-07-29 | 2006-07-28 | Method for generating encoded audio signal and method for processing audio signal |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1920438A1 EP1920438A1 (en) | 2008-05-14 |
EP1920438A4 true EP1920438A4 (en) | 2010-01-06 |
Family
ID=37683623
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06769318A Ceased EP1915757A4 (en) | 2005-07-29 | 2006-07-28 | Method for processing audio signal |
EP06769317A Ceased EP1920438A4 (en) | 2005-07-29 | 2006-07-28 | Method for generating encoded audio signal and method for processing audio signal |
EP06769316A Ceased EP1920437A4 (en) | 2005-07-29 | 2006-07-28 | Method for signaling of splitting information |
EP06769309A Ceased EP1915756A4 (en) | 2005-07-29 | 2006-07-28 | Mehtod for generating encoded audio signal and method for processing audio signal |
EP06769319A Ceased EP1920439A4 (en) | 2005-07-29 | 2006-07-28 | Method for generating encoded audio signal amd method for processing audio signal |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06769318A Ceased EP1915757A4 (en) | 2005-07-29 | 2006-07-28 | Method for processing audio signal |
Family Applications After (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06769316A Ceased EP1920437A4 (en) | 2005-07-29 | 2006-07-28 | Method for signaling of splitting information |
EP06769309A Ceased EP1915756A4 (en) | 2005-07-29 | 2006-07-28 | Mehtod for generating encoded audio signal and method for processing audio signal |
EP06769319A Ceased EP1920439A4 (en) | 2005-07-29 | 2006-07-28 | Method for generating encoded audio signal amd method for processing audio signal |
Country Status (7)
Country | Link |
---|---|
EP (5) | EP1915757A4 (en) |
KR (5) | KR100857102B1 (en) |
CN (5) | CN101233571B (en) |
AU (1) | AU2006273012B2 (en) |
CA (1) | CA2617050C (en) |
RU (1) | RU2414741C2 (en) |
WO (5) | WO2007013775A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2003216682A1 (en) | 2002-04-22 | 2003-11-03 | Koninklijke Philips Electronics N.V. | Signal synthesizing |
EP1853092B1 (en) | 2006-05-04 | 2011-10-05 | LG Electronics, Inc. | Enhancing stereo audio with remix capability |
CN101529898B (en) | 2006-10-12 | 2014-09-17 | Lg电子株式会社 | Apparatus for processing a mix signal and method thereof |
JP4838361B2 (en) | 2006-11-15 | 2011-12-14 | エルジー エレクトロニクス インコーポレイティド | Audio signal decoding method and apparatus |
CA2670864C (en) | 2006-12-07 | 2015-09-29 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
WO2008069584A2 (en) | 2006-12-07 | 2008-06-12 | Lg Electronics Inc. | A method and an apparatus for decoding an audio signal |
KR20080082916A (en) | 2007-03-09 | 2008-09-12 | 엘지전자 주식회사 | A method and an apparatus for processing an audio signal |
JP5291096B2 (en) * | 2007-06-08 | 2013-09-18 | エルジー エレクトロニクス インコーポレイティド | Audio signal processing method and apparatus |
WO2009031871A2 (en) | 2007-09-06 | 2009-03-12 | Lg Electronics Inc. | A method and an apparatus of decoding an audio signal |
WO2009072685A1 (en) * | 2007-12-06 | 2009-06-11 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
JP4917189B2 (en) | 2009-09-01 | 2012-04-18 | パナソニック株式会社 | Digital broadcast transmission apparatus, digital broadcast reception apparatus, and digital broadcast transmission / reception system |
TWI444989B (en) | 2010-01-22 | 2014-07-11 | Dolby Lab Licensing Corp | Using multichannel decorrelation for improved multichannel upmixing |
US9679572B2 (en) | 2013-04-23 | 2017-06-13 | The Korea Development Bank | Method and apparatus for encoding/decoding scalable digital audio using direct audio channel data and indirect audio channel data |
KR101421201B1 (en) * | 2013-04-23 | 2014-07-22 | 한국산업은행 | Method and apparatus for encoding/decoding scalable digital audio using uncompressed audio channel data and compressed audio channel data |
TWI758146B (en) * | 2015-03-13 | 2022-03-11 | 瑞典商杜比國際公司 | Decoding audio bitstreams with enhanced spectral band replication metadata in at least one fill element |
CA2997334A1 (en) | 2015-09-25 | 2017-03-30 | Voiceage Corporation | Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budget |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5583962A (en) * | 1991-01-08 | 1996-12-10 | Dolby Laboratories Licensing Corporation | Encoder/decoder for multidimensional sound fields |
DE4209544A1 (en) * | 1992-03-24 | 1993-09-30 | Inst Rundfunktechnik Gmbh | Method for transmitting or storing digitized, multi-channel audio signals |
KR100265112B1 (en) * | 1997-03-31 | 2000-10-02 | 윤종용 | Dvd dics and method and apparatus for dvd disc |
EP1013140B1 (en) * | 1997-09-05 | 2012-12-05 | Harman International Industries, Incorporated | 5-2-5 matrix decoder system |
US20030035553A1 (en) * | 2001-08-10 | 2003-02-20 | Frank Baumgarte | Backwards-compatible perceptual coding of spatial cues |
AU2003216682A1 (en) * | 2002-04-22 | 2003-11-03 | Koninklijke Philips Electronics N.V. | Signal synthesizing |
ES2323294T3 (en) * | 2002-04-22 | 2009-07-10 | Koninklijke Philips Electronics N.V. | DECODING DEVICE WITH A DECORRELATION UNIT. |
US8498422B2 (en) * | 2002-04-22 | 2013-07-30 | Koninklijke Philips N.V. | Parametric multi-channel audio representation |
SE0402650D0 (en) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Improved parametric stereo compatible coding or spatial audio |
US7787631B2 (en) * | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
KR100682904B1 (en) * | 2004-12-01 | 2007-02-15 | 삼성전자주식회사 | Apparatus and method for processing multichannel audio signal using space information |
US7903824B2 (en) * | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
-
2006
- 2006-07-28 KR KR1020087004585A patent/KR100857102B1/en active IP Right Grant
- 2006-07-28 WO PCT/KR2006/002974 patent/WO2007013775A1/en active Application Filing
- 2006-07-28 CN CN2006800277709A patent/CN101233571B/en active Active
- 2006-07-28 EP EP06769318A patent/EP1915757A4/en not_active Ceased
- 2006-07-28 EP EP06769317A patent/EP1920438A4/en not_active Ceased
- 2006-07-28 RU RU2008107773/28A patent/RU2414741C2/en not_active Application Discontinuation
- 2006-07-28 KR KR1020087004589A patent/KR100857104B1/en active IP Right Grant
- 2006-07-28 EP EP06769316A patent/EP1920437A4/en not_active Ceased
- 2006-07-28 WO PCT/KR2006/002981 patent/WO2007013780A1/en active Application Filing
- 2006-07-28 CN CN2006800274861A patent/CN101233568B/en active Active
- 2006-07-28 WO PCT/KR2006/002984 patent/WO2007013783A1/en active Application Filing
- 2006-07-28 CN CN2006800274908A patent/CN101233569B/en active Active
- 2006-07-28 EP EP06769309A patent/EP1915756A4/en not_active Ceased
- 2006-07-28 EP EP06769319A patent/EP1920439A4/en not_active Ceased
- 2006-07-28 KR KR1020087004588A patent/KR100841332B1/en active IP Right Grant
- 2006-07-28 KR KR1020087004586A patent/KR100888970B1/en active IP Right Grant
- 2006-07-28 KR KR1020087004587A patent/KR100857103B1/en active IP Right Grant
- 2006-07-28 CA CA2617050A patent/CA2617050C/en active Active
- 2006-07-28 CN CN2006800277662A patent/CN101233570B/en active Active
- 2006-07-28 CN CN2006800274842A patent/CN101233567B/en active Active
- 2006-07-28 WO PCT/KR2006/002985 patent/WO2007013784A1/en active Application Filing
- 2006-07-28 AU AU2006273012A patent/AU2006273012B2/en active Active
- 2006-07-28 WO PCT/KR2006/002982 patent/WO2007013781A1/en active Application Filing
Non-Patent Citations (2)
Title |
---|
No further relevant documents disclosed * |
See also references of WO2007013781A1 * |
Also Published As
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RIC1 | Information provided on ipc code assigned before grant |
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