HK1107723A1 - Parametric joint-coding of audio sources - Google Patents
Parametric joint-coding of audio sourcesInfo
- Publication number
- HK1107723A1 HK1107723A1 HK07113398.4A HK07113398A HK1107723A1 HK 1107723 A1 HK1107723 A1 HK 1107723A1 HK 07113398 A HK07113398 A HK 07113398A HK 1107723 A1 HK1107723 A1 HK 1107723A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- source signals
- coding
- properties
- signals
- statistical properties
- Prior art date
Links
- 238000000034 method Methods 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
Classifications
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- 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
-
- 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
- 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
-
- 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
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 (1)
Publication Number | Publication Date |
---|---|
HK1107723A1 true HK1107723A1 (en) | 2008-07-11 |
Family
ID=34938725
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK07113398.4A HK1107723A1 (en) | 2005-02-14 | 2007-12-07 | Parametric joint-coding of audio sources |
HK11113485.2A HK1159392A1 (en) | 2005-02-14 | 2011-12-14 | Parametric joint-coding of audio sources |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK11113485.2A HK1159392A1 (en) | 2005-02-14 | 2011-12-14 | Parametric joint-coding of audio sources |
Country Status (18)
Country | Link |
---|---|
US (12) | US8355509B2 (zh) |
EP (4) | EP1691348A1 (zh) |
JP (2) | JP5179881B2 (zh) |
KR (1) | KR100924577B1 (zh) |
CN (2) | CN101133441B (zh) |
AT (1) | ATE531035T1 (zh) |
AU (3) | AU2006212191B2 (zh) |
BR (5) | BRPI0607166B1 (zh) |
CA (2) | CA2597746C (zh) |
ES (2) | ES2682073T3 (zh) |
HK (2) | HK1107723A1 (zh) |
IL (1) | IL185192A (zh) |
MX (1) | MX2007009559A (zh) |
NO (1) | NO338701B1 (zh) |
PL (1) | PL1844465T3 (zh) |
RU (1) | RU2376654C2 (zh) |
TR (1) | TR201811059T4 (zh) |
WO (1) | WO2006084916A2 (zh) |
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EP1691348A1 (en) | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
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