AR123836A2 - Codificador de audio para la codificación de una señal de múltiples canales, un decodificador de audio para la decodificación de una señal de audio codificada, métodos y medios de almacenamiento no transitorio - Google Patents
Codificador de audio para la codificación de una señal de múltiples canales, un decodificador de audio para la decodificación de una señal de audio codificada, métodos y medios de almacenamiento no transitorioInfo
- Publication number
- AR123836A2 AR123836A2 ARP210102868A ARP210102868A AR123836A2 AR 123836 A2 AR123836 A2 AR 123836A2 AR P210102868 A ARP210102868 A AR P210102868A AR P210102868 A ARP210102868 A AR P210102868A AR 123836 A2 AR123836 A2 AR 123836A2
- Authority
- AR
- Argentina
- Prior art keywords
- signal
- audio
- encoding
- channel signal
- encoder
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000005236 sound signal Effects 0.000 title 1
- 230000003595 spectral effect Effects 0.000 abstract 2
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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
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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
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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
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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
- G10L19/04—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
-
- 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
- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
-
- 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
- G10L19/04—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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
- G10L19/13—Residual excited linear prediction [RELP]
-
- 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
- G10L19/04—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
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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
- G10L21/00—Speech or voice signal processing techniques 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Analogue/Digital Conversion (AREA)
Abstract
Se muestra el codificador de audio 2 para la codificación de una señal de múltiples canales 4. El codificador de audio comprende un mezclador descendente 12 para la mezcla descendente de la señal de múltiples canales 4 para obtener una señal de mezcla descendente 14, un codificador de núcleo de dominio de predicción lineal 16 para la codificación de la señal de mezcla descendente 14, en el que la señal de mezcla descendente 14 tiene una banda baja y una banda alta, en el que el codificador de núcleo de dominio de predicción lineal 16 está configurado para aplicar un procesamiento de extensión de ancho de banda para la codificación paramétrica de la banda alta, un banco de filtros 82 para la generación de una representación espectral de la señal de múltiples canales 4, y un codificador conjunto de múltiples canales 18 configurado para procesar la representación espectral que comprende la baja banda y la banda alta de la señal de múltiples canales para generar información de múltiples canales 20.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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EP15158233 | 2015-03-09 |
Publications (1)
Publication Number | Publication Date |
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AR123836A2 true AR123836A2 (es) | 2023-01-18 |
Family
ID=52682621
Family Applications (6)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP160100609A AR103881A1 (es) | 2015-03-09 | 2016-03-08 | Codificador de audio para la codificación de una señal de múltiples canales y un decodificador de audio para la decodificación de una señal de audio codificada |
ARP160100608A AR103880A1 (es) | 2015-03-09 | 2016-03-08 | Codificador de audio para la codificación de una señal de múltiples canales y un decodificador de audio para la decodificación de una señal de audio codificada |
ARP210102867A AR123835A2 (es) | 2015-03-09 | 2021-10-18 | Codificador de audio para la codificación de una señal de múltiples canales, un decodificador de audio para la decodificación de una señal de audio codificada y métodos |
ARP210102869A AR123837A2 (es) | 2015-03-09 | 2021-10-18 | Codificador de audio para la codificación de una señal de múltiples canales, un decodificador de audio para la decodificación de una señal de audio codificada, métodos y programa de computación |
ARP210102866A AR123834A2 (es) | 2015-03-09 | 2021-10-18 | Codificador de audio para la codificación de una señal de múltiples canales, un decodificador de audio para la decodificación de una señal de audio codificada y métodos |
ARP210102868A AR123836A2 (es) | 2015-03-09 | 2021-10-18 | Codificador de audio para la codificación de una señal de múltiples canales, un decodificador de audio para la decodificación de una señal de audio codificada, métodos y medios de almacenamiento no transitorio |
Family Applications Before (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP160100609A AR103881A1 (es) | 2015-03-09 | 2016-03-08 | Codificador de audio para la codificación de una señal de múltiples canales y un decodificador de audio para la decodificación de una señal de audio codificada |
ARP160100608A AR103880A1 (es) | 2015-03-09 | 2016-03-08 | Codificador de audio para la codificación de una señal de múltiples canales y un decodificador de audio para la decodificación de una señal de audio codificada |
ARP210102867A AR123835A2 (es) | 2015-03-09 | 2021-10-18 | Codificador de audio para la codificación de una señal de múltiples canales, un decodificador de audio para la decodificación de una señal de audio codificada y métodos |
ARP210102869A AR123837A2 (es) | 2015-03-09 | 2021-10-18 | Codificador de audio para la codificación de una señal de múltiples canales, un decodificador de audio para la decodificación de una señal de audio codificada, métodos y programa de computación |
ARP210102866A AR123834A2 (es) | 2015-03-09 | 2021-10-18 | Codificador de audio para la codificación de una señal de múltiples canales, un decodificador de audio para la decodificación de una señal de audio codificada y métodos |
Country Status (19)
Country | Link |
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US (7) | US10395661B2 (es) |
EP (9) | EP3067887A1 (es) |
JP (6) | JP6606190B2 (es) |
KR (2) | KR102151719B1 (es) |
CN (6) | CN107430863B (es) |
AR (6) | AR103881A1 (es) |
AU (2) | AU2016231283C1 (es) |
BR (4) | BR112017018441B1 (es) |
CA (2) | CA2978814C (es) |
ES (6) | ES2959970T3 (es) |
FI (1) | FI3958257T3 (es) |
MX (2) | MX364618B (es) |
MY (2) | MY194940A (es) |
PL (6) | PL3910628T3 (es) |
PT (3) | PT3268958T (es) |
RU (2) | RU2679571C1 (es) |
SG (2) | SG11201707335SA (es) |
TW (2) | TWI613643B (es) |
WO (2) | WO2016142337A1 (es) |
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