AR122488A2 - Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada - Google Patents
Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificadaInfo
- Publication number
- AR122488A2 AR122488A2 ARP210101479A ARP210101479A AR122488A2 AR 122488 A2 AR122488 A2 AR 122488A2 AR P210101479 A ARP210101479 A AR P210101479A AR P210101479 A ARP210101479 A AR P210101479A AR 122488 A2 AR122488 A2 AR 122488A2
- Authority
- AR
- Argentina
- Prior art keywords
- audio
- audio signal
- encoder
- encoding
- decoding
- Prior art date
Links
Classifications
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- 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
-
- 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
- G10L19/02—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 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
-
- 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
- G10L25/12—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 prediction coefficients
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/547—Motion estimation performed in a transform domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
- H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
- H04N19/635—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by filter definition or implementation details
Abstract
Un codificador para codificar una señal de audio. El codificador está configurado para codificar la señal de audio en el dominio de la transformada o en el dominio de banco de filtros, donde el codificador está configurado para determinar coeficientes espectrales de la señal de audio correspondientes a una trama actual y por lo menos una trama anterior, donde el codificador está configurado para aplicar selectivamente la codificación predictiva a una pluralidad de coeficientes espectrales individuales o grupos de coeficientes espectrales que están separados por al menos un coeficiente espectral.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP15158253 | 2015-03-09 |
Publications (1)
Publication Number | Publication Date |
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AR122488A2 true AR122488A2 (es) | 2022-09-14 |
Family
ID=52692424
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP160100621A AR103890A1 (es) | 2015-03-09 | 2016-03-09 | Codificador de audio, decodificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
ARP210101478A AR122487A2 (es) | 2015-03-09 | 2021-05-31 | Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
ARP210101477A AR122486A2 (es) | 2015-03-09 | 2021-05-31 | Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
ARP210101479A AR122488A2 (es) | 2015-03-09 | 2021-05-31 | Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
ARP210101476A AR122219A2 (es) | 2015-03-09 | 2021-05-31 | Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
ARP210101480A AR122489A2 (es) | 2015-03-09 | 2021-05-31 | Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP160100621A AR103890A1 (es) | 2015-03-09 | 2016-03-09 | Codificador de audio, decodificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
ARP210101478A AR122487A2 (es) | 2015-03-09 | 2021-05-31 | Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
ARP210101477A AR122486A2 (es) | 2015-03-09 | 2021-05-31 | Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP210101476A AR122219A2 (es) | 2015-03-09 | 2021-05-31 | Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
ARP210101480A AR122489A2 (es) | 2015-03-09 | 2021-05-31 | Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada |
Country Status (20)
Country | Link |
---|---|
US (2) | US10600428B2 (es) |
EP (3) | EP3268960B1 (es) |
JP (3) | JP6666356B2 (es) |
KR (1) | KR102151728B1 (es) |
CN (3) | CN114067812A (es) |
AR (6) | AR103890A1 (es) |
AU (4) | AU2016231220B2 (es) |
BR (1) | BR112017019185B1 (es) |
CA (1) | CA2978815C (es) |
ES (1) | ES2821025T3 (es) |
HK (1) | HK1244583A1 (es) |
MX (1) | MX365267B (es) |
MY (1) | MY181486A (es) |
PL (1) | PL3268960T3 (es) |
PT (1) | PT3268960T (es) |
RU (1) | RU2707151C2 (es) |
SG (1) | SG11201707349WA (es) |
TW (1) | TWI613644B (es) |
WO (1) | WO2016142002A1 (es) |
ZA (6) | ZA201706604B (es) |
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WO2016142002A1 (en) | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
US20170022149A1 (en) * | 2015-07-25 | 2017-01-26 | Mark Quang Nguyen | Fumarate compounds, pharmaceutical compositions thereof, and methods of use |
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