TW200705804A - Envelope shaping of decorrelated signals - Google Patents
Envelope shaping of decorrelated signalsInfo
- Publication number
- TW200705804A TW200705804A TW095112530A TW95112530A TW200705804A TW 200705804 A TW200705804 A TW 200705804A TW 095112530 A TW095112530 A TW 095112530A TW 95112530 A TW95112530 A TW 95112530A TW 200705804 A TW200705804 A TW 200705804A
- Authority
- TW
- Taiwan
- Prior art keywords
- envelope
- envelope shaping
- decorrelated signals
- decorrelated
- signal
- Prior art date
Links
Classifications
-
- 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
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
-
- 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
- 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
- H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo five- or more-channel type, e.g. virtual surround
-
- 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
- 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 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
- G10L19/26—Pre-filtering or post-filtering
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67158305P | 2005-04-15 | 2005-04-15 | |
PCT/EP2006/003097 WO2006108543A1 (en) | 2005-04-15 | 2006-04-05 | Temporal envelope shaping of decorrelated signal |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200705804A true TW200705804A (en) | 2007-02-01 |
TWI338446B TWI338446B (en) | 2011-03-01 |
Family
ID=36636920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW095112530A TWI338446B (en) | 2005-04-15 | 2006-04-07 | Envelope shaping of decorrelated signals |
Country Status (11)
Country | Link |
---|---|
US (1) | US7983424B2 (zh) |
EP (1) | EP1829424B1 (zh) |
JP (1) | JP4804532B2 (zh) |
KR (1) | KR100933548B1 (zh) |
CN (2) | CN102163429B (zh) |
AT (1) | ATE421845T1 (zh) |
DE (1) | DE602006004959D1 (zh) |
HK (2) | HK1118168A1 (zh) |
MY (1) | MY144377A (zh) |
TW (1) | TWI338446B (zh) |
WO (1) | WO2006108543A1 (zh) |
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-
2006
- 2006-04-05 DE DE602006004959T patent/DE602006004959D1/de active Active
- 2006-04-05 CN CN2011100628002A patent/CN102163429B/zh active Active
- 2006-04-05 JP JP2008505776A patent/JP4804532B2/ja active Active
- 2006-04-05 AT AT06724045T patent/ATE421845T1/de not_active IP Right Cessation
- 2006-04-05 CN CN2006800055648A patent/CN101138274B/zh active Active
- 2006-04-05 EP EP06724045A patent/EP1829424B1/en active Active
- 2006-04-05 WO PCT/EP2006/003097 patent/WO2006108543A1/en not_active Application Discontinuation
- 2006-04-05 KR KR1020077020406A patent/KR100933548B1/ko active IP Right Grant
- 2006-04-07 TW TW095112530A patent/TWI338446B/zh active
- 2006-04-12 MY MYPI20061672A patent/MY144377A/en unknown
- 2006-04-12 US US11/402,519 patent/US7983424B2/en active Active
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2008
- 2008-03-05 HK HK08102520.7A patent/HK1118168A1/xx unknown
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2012
- 2012-02-08 HK HK12101214.4A patent/HK1160980A1/xx unknown
Also Published As
Publication number | Publication date |
---|---|
HK1118168A1 (en) | 2009-01-30 |
EP1829424B1 (en) | 2009-01-21 |
JP2008536183A (ja) | 2008-09-04 |
CN102163429A (zh) | 2011-08-24 |
EP1829424A1 (en) | 2007-09-05 |
DE602006004959D1 (de) | 2009-03-12 |
CN102163429B (zh) | 2013-04-10 |
MY144377A (en) | 2011-09-15 |
WO2006108543A1 (en) | 2006-10-19 |
HK1160980A1 (en) | 2012-08-17 |
JP4804532B2 (ja) | 2011-11-02 |
US7983424B2 (en) | 2011-07-19 |
CN101138274A (zh) | 2008-03-05 |
KR100933548B1 (ko) | 2009-12-23 |
KR20070102738A (ko) | 2007-10-19 |
WO2006108543A9 (en) | 2007-09-13 |
US20060239473A1 (en) | 2006-10-26 |
CN101138274B (zh) | 2011-07-06 |
TWI338446B (en) | 2011-03-01 |
ATE421845T1 (de) | 2009-02-15 |
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