WO2007049862A8 - Removing time delays in signal paths - Google Patents
Removing time delays in signal pathsInfo
- Publication number
- WO2007049862A8 WO2007049862A8 PCT/KR2006/003973 KR2006003973W WO2007049862A8 WO 2007049862 A8 WO2007049862 A8 WO 2007049862A8 KR 2006003973 W KR2006003973 W KR 2006003973W WO 2007049862 A8 WO2007049862 A8 WO 2007049862A8
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- time delays
- signal paths
- removing time
- compensating
- apparatuses
- Prior art date
Links
Classifications
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
-
- 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
- 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
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Radar Systems Or Details Thereof (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800395777A CN101297597B (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
EP06799056A EP1952671A4 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
AU2006306942A AU2006306942B2 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
KR1020087023852A KR101186611B1 (en) | 2005-10-24 | 2006-10-02 | A method and an apparatuf for processing an audio signal |
CA2626132A CA2626132C (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
KR1020087007449A KR100875428B1 (en) | 2005-10-24 | 2006-10-02 | How to compensate for time delays in signal processing |
BRPI0617779-4A BRPI0617779A2 (en) | 2005-10-24 | 2006-10-02 | removal of time delays in signal routes |
JP2008537580A JP5270357B2 (en) | 2005-10-24 | 2006-10-02 | How to compensate for time delay in signal processing |
HK09103908.6A HK1126071A1 (en) | 2005-10-24 | 2009-04-28 | Method and apparatus for processing audio signal |
Applications Claiming Priority (20)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72922505P | 2005-10-24 | 2005-10-24 | |
US60/729,225 | 2005-10-24 | ||
US75700506P | 2006-01-09 | 2006-01-09 | |
US60/757,005 | 2006-01-09 | ||
US78674006P | 2006-03-29 | 2006-03-29 | |
US60/786,740 | 2006-03-29 | ||
US79232906P | 2006-04-17 | 2006-04-17 | |
US60/792,329 | 2006-04-17 | ||
KR1020060078218A KR20070037983A (en) | 2005-10-04 | 2006-08-18 | Method for decoding multi-channel audio signals and method for generating encoded audio signal |
KR1020060078223A KR20070037986A (en) | 2005-10-04 | 2006-08-18 | Method and apparatus method for processing multi-channel audio signal |
KR10-2006-0078219 | 2006-08-18 | ||
KR1020060078219A KR20070074442A (en) | 2006-01-09 | 2006-08-18 | Apparatus and method for recovering multi-channel audio signal, and computer-readable medium storing a program performed in the apparatus |
KR1020060078221A KR20070037984A (en) | 2005-10-04 | 2006-08-18 | Method and apparatus for decoding multi-channel audio signals |
KR1020060078222A KR20070037985A (en) | 2005-10-04 | 2006-08-18 | Method and apparatus method for decoding multi-channel audio signals |
KR1020060078225A KR20070037987A (en) | 2005-10-04 | 2006-08-18 | Method and apparatus for decoding multi-channel audio signal |
KR10-2006-0078221 | 2006-08-18 | ||
KR10-2006-0078225 | 2006-08-18 | ||
KR10-2006-0078218 | 2006-08-18 | ||
KR10-2006-0078223 | 2006-08-18 | ||
KR10-2006-0078222 | 2006-08-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007049862A1 WO2007049862A1 (en) | 2007-05-03 |
WO2007049862A8 true WO2007049862A8 (en) | 2007-08-02 |
Family
ID=44454038
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2006/003974 WO2007049863A2 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
PCT/KR2006/003976 WO2007049865A1 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
PCT/KR2006/003975 WO2007049864A1 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
PCT/KR2006/003973 WO2007049862A1 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
PCT/KR2006/003980 WO2007049866A1 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
PCT/KR2006/003972 WO2007049861A1 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2006/003974 WO2007049863A2 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
PCT/KR2006/003976 WO2007049865A1 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
PCT/KR2006/003975 WO2007049864A1 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2006/003980 WO2007049866A1 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
PCT/KR2006/003972 WO2007049861A1 (en) | 2005-10-24 | 2006-10-02 | Removing time delays in signal paths |
Country Status (11)
Country | Link |
---|---|
US (8) | US7761289B2 (en) |
EP (6) | EP1952672B1 (en) |
JP (6) | JP5270357B2 (en) |
KR (7) | KR100928268B1 (en) |
CN (6) | CN101297598B (en) |
AU (1) | AU2006306942B2 (en) |
BR (1) | BRPI0617779A2 (en) |
CA (1) | CA2626132C (en) |
HK (1) | HK1126071A1 (en) |
TW (6) | TWI317243B (en) |
WO (6) | WO2007049863A2 (en) |
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