DK2015292T3 - Effektiv og skalerbar parametrisk stereokodning til audiokodningsapplikationer med lav bithastighed - Google Patents
Effektiv og skalerbar parametrisk stereokodning til audiokodningsapplikationer med lav bithastighedInfo
- Publication number
- DK2015292T3 DK2015292T3 DK08016926T DK08016926T DK2015292T3 DK 2015292 T3 DK2015292 T3 DK 2015292T3 DK 08016926 T DK08016926 T DK 08016926T DK 08016926 T DK08016926 T DK 08016926T DK 2015292 T3 DK2015292 T3 DK 2015292T3
- Authority
- DK
- Denmark
- Prior art keywords
- stereo
- coding
- efficient
- bit rate
- low bit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/04—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 predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0102481A SE0102481D0 (sv) | 2001-07-10 | 2001-07-10 | Parametric stereo coding for low bitrate applications |
SE0200796A SE0200796D0 (sv) | 2002-03-15 | 2002-03-15 | Parametic Stereo Coding for Low Bitrate Applications |
SE0202159A SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Efficientand scalable parametric stereo coding for low bitrate applications |
PCT/SE2002/001372 WO2003007656A1 (en) | 2001-07-10 | 2002-07-10 | Efficient and scalable parametric stereo coding for low bitrate applications |
Publications (1)
Publication Number | Publication Date |
---|---|
DK2015292T3 true DK2015292T3 (da) | 2010-01-04 |
Family
ID=27354735
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK10174492.8T DK2249336T3 (da) | 2001-07-10 | 2002-07-10 | Fremgangsmåde og modtager til højfrekvensrekonstruktion af et stereoaudiosignal |
DK08016926T DK2015292T3 (da) | 2001-07-10 | 2002-07-10 | Effektiv og skalerbar parametrisk stereokodning til audiokodningsapplikationer med lav bithastighed |
DK16181505.5T DK3104367T3 (en) | 2001-07-10 | 2002-07-10 | Parametric stereo audio decoding |
DK05017012.5T DK1603118T3 (en) | 2001-07-10 | 2002-07-10 | Receiver and method for decoding a parametric stereocoded bit stream |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK10174492.8T DK2249336T3 (da) | 2001-07-10 | 2002-07-10 | Fremgangsmåde og modtager til højfrekvensrekonstruktion af et stereoaudiosignal |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK16181505.5T DK3104367T3 (en) | 2001-07-10 | 2002-07-10 | Parametric stereo audio decoding |
DK05017012.5T DK1603118T3 (en) | 2001-07-10 | 2002-07-10 | Receiver and method for decoding a parametric stereocoded bit stream |
Country Status (13)
Country | Link |
---|---|
US (8) | US7382886B2 (ja) |
EP (9) | EP2015292B1 (ja) |
JP (10) | JP4447317B2 (ja) |
KR (5) | KR100679376B1 (ja) |
CN (7) | CN101996634B (ja) |
AT (5) | ATE456124T1 (ja) |
DE (5) | DE60236028D1 (ja) |
DK (4) | DK2249336T3 (ja) |
ES (7) | ES2714153T3 (ja) |
HK (8) | HK1062624A1 (ja) |
PT (2) | PT3104367T (ja) |
SE (1) | SE0202159D0 (ja) |
WO (1) | WO2003007656A1 (ja) |
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