NO338701B1 - Parametrisk felleskoding av audiokilder - Google Patents
Parametrisk felleskoding av audiokilder Download PDFInfo
- Publication number
- NO338701B1 NO338701B1 NO20073892A NO20073892A NO338701B1 NO 338701 B1 NO338701 B1 NO 338701B1 NO 20073892 A NO20073892 A NO 20073892A NO 20073892 A NO20073892 A NO 20073892A NO 338701 B1 NO338701 B1 NO 338701B1
- Authority
- NO
- Norway
- Prior art keywords
- source signals
- audio
- source
- parameters
- signals
- Prior art date
Links
- 238000000034 method Methods 0.000 claims abstract description 49
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 25
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 25
- 230000005236 sound signal Effects 0.000 claims description 24
- 230000000694 effects Effects 0.000 claims description 17
- 230000003595 spectral effect Effects 0.000 claims description 17
- 238000004364 calculation method Methods 0.000 claims description 16
- 230000006870 function Effects 0.000 claims description 11
- 238000004091 panning Methods 0.000 claims description 8
- 230000003068 static effect Effects 0.000 claims description 8
- 238000005311 autocorrelation function Methods 0.000 claims description 6
- 230000002194 synthesizing effect Effects 0.000 claims description 6
- 238000005314 correlation function Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims 2
- 230000002123 temporal effect Effects 0.000 claims 1
- 230000000875 corresponding effect Effects 0.000 abstract description 13
- 238000011156 evaluation Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 23
- 230000008569 process Effects 0.000 description 13
- 230000004044 response Effects 0.000 description 7
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Classifications
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- 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
-
- 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
- G10L19/0204—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 using subband decomposition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/307—Frequency adjustment, e.g. tone control
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/13—Application of wave-field synthesis in stereophonic audio systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP05101055A EP1691348A1 (en) | 2005-02-14 | 2005-02-14 | Parametric joint-coding of audio sources |
| PCT/EP2006/050904 WO2006084916A2 (en) | 2005-02-14 | 2006-02-13 | Parametric joint-coding of audio sources |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO20073892L NO20073892L (no) | 2007-11-14 |
| NO338701B1 true NO338701B1 (no) | 2016-10-03 |
Family
ID=34938725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20073892A NO338701B1 (no) | 2005-02-14 | 2007-07-24 | Parametrisk felleskoding av audiokilder |
Country Status (17)
| Country | Link |
|---|---|
| US (12) | US8355509B2 (enExample) |
| EP (4) | EP1691348A1 (enExample) |
| JP (2) | JP5179881B2 (enExample) |
| KR (1) | KR100924577B1 (enExample) |
| CN (2) | CN101133441B (enExample) |
| AT (1) | ATE531035T1 (enExample) |
| AU (3) | AU2006212191B2 (enExample) |
| BR (5) | BR122018072501B1 (enExample) |
| CA (2) | CA2597746C (enExample) |
| ES (2) | ES2682073T3 (enExample) |
| IL (1) | IL185192A (enExample) |
| MX (1) | MX2007009559A (enExample) |
| NO (1) | NO338701B1 (enExample) |
| PL (1) | PL1844465T3 (enExample) |
| RU (1) | RU2376654C2 (enExample) |
| TR (1) | TR201811059T4 (enExample) |
| WO (1) | WO2006084916A2 (enExample) |
Families Citing this family (90)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| ATE406651T1 (de) * | 2005-03-30 | 2008-09-15 | Koninkl Philips Electronics Nv | Audiokodierung und audiodekodierung |
| WO2007004831A1 (en) * | 2005-06-30 | 2007-01-11 | Lg Electronics Inc. | Method and apparatus for encoding and decoding an audio signal |
| KR101218776B1 (ko) | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
| EP2629292B1 (en) | 2006-02-03 | 2016-06-29 | Electronics and Telecommunications Research Institute | Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue |
| KR20080093422A (ko) * | 2006-02-09 | 2008-10-21 | 엘지전자 주식회사 | 오브젝트 기반 오디오 신호의 부호화 및 복호화 방법과 그장치 |
| ATE527833T1 (de) * | 2006-05-04 | 2011-10-15 | Lg Electronics Inc | Verbesserung von stereo-audiosignalen mittels neuabmischung |
| US8027479B2 (en) | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
| ES2638269T3 (es) * | 2006-07-04 | 2017-10-19 | Dolby International Ab | Unidad de filtro y procedimiento de generación de respuestas al impulso de filtro de subbanda |
| USRE50697E1 (en) * | 2006-07-07 | 2025-12-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Concept for combining multiple parametrically coded audio sources |
| EP2112652B1 (en) * | 2006-07-07 | 2012-11-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for combining multiple parametrically coded audio sources |
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| RU2009116275A (ru) * | 2006-09-29 | 2010-11-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. (KR) | Способы и устройства кодирования и декодирования объектно-ориентированных аудиосигналов |
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