AR072497A1 - Rellenador de ruido, calculador de parametro de relleno de ruido representacion de senal de audio codificada metodos y programa de computadora - Google Patents
Rellenador de ruido, calculador de parametro de relleno de ruido representacion de senal de audio codificada metodos y programa de computadoraInfo
- Publication number
- AR072497A1 AR072497A1 ARP090102626A ARP090102626A AR072497A1 AR 072497 A1 AR072497 A1 AR 072497A1 AR P090102626 A ARP090102626 A AR P090102626A AR P090102626 A ARP090102626 A AR P090102626A AR 072497 A1 AR072497 A1 AR 072497A1
- Authority
- AR
- Argentina
- Prior art keywords
- noise
- spectral
- audio signal
- representation
- regions
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title abstract 6
- 239000000945 filler Substances 0.000 title abstract 2
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 230000003595 spectral effect Effects 0.000 abstract 13
- 238000011002 quantification Methods 0.000 abstract 1
Classifications
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- 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
- G10L19/032—Quantisation or dequantisation of spectral components
- G10L19/035—Scalar quantisation
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- 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
-
- 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
-
- 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
-
- 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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- 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
- G10L25/18—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 spectral information of each sub-band
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
Un rellenador de ruido para proveer una representacion espectral rellenada con ruido de una senal de audio sobre la base de una representacion espectral de entrada de la senal de audio comprende un identificador de region espectral configurado para identificar regiones de la representacion espectral de entrada espaciadas de regiones espectrales no nulas de la representacion espectral de entrada por al menos una region espectral intermedia, para obtener regiones espectrales identificadas, y un insertador de ruido configurado para introducir selectivamente ruido dentro las regiones espectrales identificadas para obtener la representacion espectral rellena con ruido de la senal de audio. Un calculador de parámetro de relleno de ruido para proveer un parámetro de relleno de ruido sobre la base de una representacion espectral cuantificada de una senal de audio comprende un identificador de region espectral, como se menciona arriba, y un calculador de valor de ruido configurado para considerar selectivamente errores de cuantificacion de las regiones espectrales identificadas para un cálculo del parámetro de relleno de ruido. Consiguientemente, se puede obtener una representacion de senal de audio que representa la senal de audio.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7987208P | 2008-07-11 | 2008-07-11 | |
US10382008P | 2008-10-08 | 2008-10-08 | |
PCT/EP2009/004653 WO2010003565A1 (en) | 2008-07-11 | 2009-06-26 | Noise filler, noise filling parameter calculator, method for providing a noise filling parameter, method for providing a noise-filled spectral representation of an audio signal, corresponding computer program and encoded audio signal |
Publications (1)
Publication Number | Publication Date |
---|---|
AR072497A1 true AR072497A1 (es) | 2010-09-01 |
Family
ID=40941986
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP090102551 AR072482A1 (es) | 2008-07-11 | 2009-07-07 | Codificador de audio decodificadpor de audio metodos para la codificacion y decodificador de audio transmision de audio y programa de computacion |
ARP090102626A AR072497A1 (es) | 2008-07-11 | 2009-07-13 | Rellenador de ruido, calculador de parametro de relleno de ruido representacion de senal de audio codificada metodos y programa de computadora |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP090102551 AR072482A1 (es) | 2008-07-11 | 2009-07-07 | Codificador de audio decodificadpor de audio metodos para la codificacion y decodificador de audio transmision de audio y programa de computacion |
Country Status (22)
Country | Link |
---|---|
US (9) | US9043203B2 (es) |
EP (7) | EP4372745A1 (es) |
JP (2) | JP5622726B2 (es) |
KR (4) | KR101582057B1 (es) |
CN (2) | CN102089808B (es) |
AR (2) | AR072482A1 (es) |
AT (1) | ATE535903T1 (es) |
AU (2) | AU2009267459B2 (es) |
BR (6) | BR122021003726B1 (es) |
CA (2) | CA2730361C (es) |
CO (2) | CO6341671A2 (es) |
EG (1) | EG26480A (es) |
ES (5) | ES2422412T3 (es) |
HK (2) | HK1157045A1 (es) |
MX (2) | MX2011000382A (es) |
MY (2) | MY178597A (es) |
PL (3) | PL3246918T3 (es) |
PT (1) | PT2304719T (es) |
RU (2) | RU2519069C2 (es) |
TW (2) | TWI417871B (es) |
WO (2) | WO2010003556A1 (es) |
ZA (2) | ZA201100091B (es) |
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