GT201100246A - Decodificador de audio y método de decodificación usando combinación de reducción de canales de audio (downmixing) eficiente - Google Patents
Decodificador de audio y método de decodificación usando combinación de reducción de canales de audio (downmixing) eficienteInfo
- Publication number
- GT201100246A GT201100246A GT201100246A GT201100246A GT201100246A GT 201100246 A GT201100246 A GT 201100246A GT 201100246 A GT201100246 A GT 201100246A GT 201100246 A GT201100246 A GT 201100246A GT 201100246 A GT201100246 A GT 201100246A
- Authority
- GT
- Guatemala
- Prior art keywords
- audio
- information
- channel reduction
- combination
- audio channel
- 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
- G10L19/008—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 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
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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
- G10L19/02—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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
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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
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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
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
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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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
Abstract
UN MÉTODO, UN APARATO, UN MEDIO DE ALMACENAMIENTO LEGIBLE POR COMPUTADORA CONFIGURADO CON INSTRUCCIONES PARA LLEVAR A CABO UN MÉTODO, Y LÓGICA CODIFICADA EN UNO O MÁS MEDIOS TANGIBLES LEGIBLES POR COMPUTADORA, PARA LLEVAR A CABO ACCIONES. EL MÉTODO DEBE DECODIFICAR INFORMACIÓN DE AUDIO QUE INCLUYE N.N CANALES EN M.N CANALES DE AUDIO DECODIFICADO, LO QUE INCLUYE EL DESEMPAQUE DE METADATOS Y EL DESEMPAQUE Y LA DECODIFICACIÓN DE INFORMACIÓN DE EXPONENTE DE DOMINIO DE FRECUENCIA Y MANTISA; LA DETERMINACIÓN DE COEFICIENTES DE TRANSFORMACIÓN A PARTIR DE LA INFORMACIÓN DESEMPACADA Y DECODIFICADA DE EXPONENTE DE DOMINIO DE FRECUENCIA Y MANTISA; LA TRANSFORMACIÓN INVERSA DE LA INFORMACIÓN DE DOMINIO DE FRECUENCIA; Y EN EL CASO M<N, LA COMBINACIÓN DE REDUCCIÓN DE CANALES DE AUDIO, DONDE LA COMBINACIÓN DE REDUCCIÓN DE CANALES DE AUDIO SE LLEVA A CABO DE MANERA EFICIENTE.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30587110P | 2010-02-18 | 2010-02-18 | |
US35976310P | 2010-06-29 | 2010-06-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GT201100246A true GT201100246A (es) | 2014-04-04 |
Family
ID=43877072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GT201100246A GT201100246A (es) | 2010-02-18 | 2011-09-28 | Decodificador de audio y método de decodificación usando combinación de reducción de canales de audio (downmixing) eficiente |
Country Status (36)
Country | Link |
---|---|
US (3) | US8214223B2 (es) |
EP (2) | EP2698789B1 (es) |
JP (2) | JP5501449B2 (es) |
KR (2) | KR101327194B1 (es) |
CN (2) | CN102428514B (es) |
AP (1) | AP3147A (es) |
AR (2) | AR080183A1 (es) |
AU (1) | AU2011218351B2 (es) |
BR (1) | BRPI1105248B1 (es) |
CA (3) | CA2794047A1 (es) |
CO (1) | CO6501169A2 (es) |
DK (1) | DK2360683T3 (es) |
EA (1) | EA025020B1 (es) |
EC (1) | ECSP11011358A (es) |
ES (1) | ES2467290T3 (es) |
GE (1) | GEP20146086B (es) |
GT (1) | GT201100246A (es) |
HK (2) | HK1160282A1 (es) |
HN (1) | HN2011002584A (es) |
HR (1) | HRP20140506T1 (es) |
IL (3) | IL215254A (es) |
MA (1) | MA33270B1 (es) |
ME (1) | ME01880B (es) |
MX (1) | MX2011010285A (es) |
MY (1) | MY157229A (es) |
NI (1) | NI201100175A (es) |
NZ (1) | NZ595739A (es) |
PE (1) | PE20121261A1 (es) |
PL (1) | PL2360683T3 (es) |
PT (1) | PT2360683E (es) |
RS (1) | RS53336B (es) |
SG (1) | SG174552A1 (es) |
SI (1) | SI2360683T1 (es) |
TW (2) | TWI557723B (es) |
WO (1) | WO2011102967A1 (es) |
ZA (1) | ZA201106950B (es) |
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KR100771401B1 (ko) | 2005-08-01 | 2007-10-30 | (주)펄서스 테크놀러지 | 프로그래머블 프로세서에서 mpeg-2 또는 mpeg-4aac 오디오 복호 알고리즘을 처리하기 위한 연산 회로및 연산 방법 |
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JP2008236384A (ja) * | 2007-03-20 | 2008-10-02 | Matsushita Electric Ind Co Ltd | 音声ミキシング装置 |
JP4743228B2 (ja) * | 2008-05-22 | 2011-08-10 | 三菱電機株式会社 | デジタル音声信号解析方法、その装置、及び映像音声記録装置 |
RU2495503C2 (ru) * | 2008-07-29 | 2013-10-10 | Панасоник Корпорэйшн | Устройство кодирования звука, устройство декодирования звука, устройство кодирования и декодирования звука и система проведения телеконференций |
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