MX2010008288A - Metodo y aparato para estimar energia de banda alta en un sistema de extension de ancho de banda. - Google Patents
Metodo y aparato para estimar energia de banda alta en un sistema de extension de ancho de banda.Info
- Publication number
- MX2010008288A MX2010008288A MX2010008288A MX2010008288A MX2010008288A MX 2010008288 A MX2010008288 A MX 2010008288A MX 2010008288 A MX2010008288 A MX 2010008288A MX 2010008288 A MX2010008288 A MX 2010008288A MX 2010008288 A MX2010008288 A MX 2010008288A
- Authority
- MX
- Mexico
- Prior art keywords
- band
- band energy
- digital audio
- audio signal
- energy level
- 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
- 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
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
Abstract
Un método (100) incluye recibir (101) una señal de audio digital de entrada que comprende una señal de banda angosta; la señal de audio digital de entrada es procesada (102) para generar una señal de audio digital procesada; se determina (103) un estimado del nivel de energía de banda alta correspondiente a una señal de audio digital de entrada de ancho de banda extendido; se realiza la modificación del nivel de energía de banda alta estimado con base en una precisión de la estimación y/o características de la señal de banda angosta (104); una señal de audio digital de banda alta es generada con base en el estimado modificado del nivel de energía de banda alta y un espectro de banda alta estimado correspondiente al estimado modificado del nivel de energía de banda alta (105).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/027,571 US20090201983A1 (en) | 2008-02-07 | 2008-02-07 | Method and apparatus for estimating high-band energy in a bandwidth extension system |
PCT/US2009/033159 WO2009100182A1 (en) | 2008-02-07 | 2009-02-05 | Method and apparatus for estimating high-band energy in a bandwidth extension system |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2010008288A true MX2010008288A (es) | 2010-08-31 |
Family
ID=40626568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2010008288A MX2010008288A (es) | 2008-02-07 | 2009-02-05 | Metodo y aparato para estimar energia de banda alta en un sistema de extension de ancho de banda. |
Country Status (9)
Country | Link |
---|---|
US (3) | US20090201983A1 (es) |
EP (1) | EP2238593B1 (es) |
KR (1) | KR101199431B1 (es) |
CN (1) | CN101939783A (es) |
BR (1) | BRPI0907361A2 (es) |
ES (1) | ES2467966T3 (es) |
MX (1) | MX2010008288A (es) |
RU (1) | RU2471253C2 (es) |
WO (1) | WO2009100182A1 (es) |
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-
2008
- 2008-02-07 US US12/027,571 patent/US20090201983A1/en not_active Abandoned
-
2009
- 2009-02-05 EP EP09707285.4A patent/EP2238593B1/en not_active Not-in-force
- 2009-02-05 WO PCT/US2009/033159 patent/WO2009100182A1/en active Application Filing
- 2009-02-05 RU RU2010137104/08A patent/RU2471253C2/ru not_active IP Right Cessation
- 2009-02-05 ES ES09707285.4T patent/ES2467966T3/es active Active
- 2009-02-05 CN CN2009801043726A patent/CN101939783A/zh active Pending
- 2009-02-05 MX MX2010008288A patent/MX2010008288A/es active IP Right Grant
- 2009-02-05 BR BRPI0907361-2A patent/BRPI0907361A2/pt not_active IP Right Cessation
- 2009-02-05 KR KR1020107019971A patent/KR101199431B1/ko active IP Right Grant
-
2011
- 2011-01-19 US US13/008,924 patent/US8527283B2/en not_active Expired - Fee Related
- 2011-01-19 US US13/008,925 patent/US20110112845A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN101939783A (zh) | 2011-01-05 |
ES2467966T3 (es) | 2014-06-13 |
US20110112844A1 (en) | 2011-05-12 |
RU2471253C2 (ru) | 2012-12-27 |
WO2009100182A1 (en) | 2009-08-13 |
KR20100123712A (ko) | 2010-11-24 |
RU2010137104A (ru) | 2012-03-20 |
EP2238593B1 (en) | 2014-05-14 |
US20090201983A1 (en) | 2009-08-13 |
US8527283B2 (en) | 2013-09-03 |
BRPI0907361A2 (pt) | 2015-07-14 |
EP2238593A1 (en) | 2010-10-13 |
US20110112845A1 (en) | 2011-05-12 |
KR101199431B1 (ko) | 2012-11-09 |
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