BR112013017427A2 - dispositivo de processamento de sinal, método de processamento de sinal para controlar um dispositivo de processamento de sinal, e processamento de execução de programa em um computador - Google Patents

dispositivo de processamento de sinal, método de processamento de sinal para controlar um dispositivo de processamento de sinal, e processamento de execução de programa em um computador

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Publication number
BR112013017427A2
BR112013017427A2 BR112013017427A BR112013017427A BR112013017427A2 BR 112013017427 A2 BR112013017427 A2 BR 112013017427A2 BR 112013017427 A BR112013017427 A BR 112013017427A BR 112013017427 A BR112013017427 A BR 112013017427A BR 112013017427 A2 BR112013017427 A2 BR 112013017427A2
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BR
Brazil
Prior art keywords
signal processing
sine wave
processing device
signal
frequency components
Prior art date
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BR112013017427A
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English (en)
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BR112013017427B1 (pt
Inventor
Mitsuyuki Hatanaka
Toru Chinen
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Sony Corp
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Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of BR112013017427A2 publication Critical patent/BR112013017427A2/pt
Publication of BR112013017427B1 publication Critical patent/BR112013017427B1/pt

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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
    • 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
    • G10L21/04—Time compression or expansion
    • 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
    • G10L19/0204—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 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
    • 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
    • G10L19/0204—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
    • G10L19/0208—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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/093—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stereophonic System (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Abstract

dispositivo de processamento de sinal, método de processamento de sinal para controlar um dispositivo de processamento de sinal, e processamento de execução de programa em um computador a presente tecnologia refere-se a um dispositivo de processamento de sinal, um método e um programa que permitem a aquisição de som com maior qualidade acústica quando decodificando um sinal de som. uma unidade de geração de informação de envelope (24) gera informação de envelope indicativa de uma forma de envelope para os componentes de alta frequência de um sinal de som a ser codificada. a unidade de geração de informação de onda senoidal (26) detecta um sinal de onda senoidal a partir dos componentes de alta frequência de um sina de som, e gera informação de onda senoidal indicativa da posição inicial da aparência do sinal de onda senoidal. uma unidade de geração de fluxo de dados codificados (27) multiplexa a informação de envelope, a informação de onda senoidal e os componentes de baixa frequência do sinal de som codificado e emite um fluxo de dados codificado adquirido do mesmo. por meio disso, o lado de recepção do fluxo de dados codificado pode estimar com maior precisão os componentes de alta frequência incluindo o sinal de onda senoidal a partir da informação de envelope e da informação de onda senoidal. a presente invenção pode ser aplicada a um dispositivo de processamento de sinal.
BR112013017427-7A 2011-01-14 2012-01-06 Dispositivo de processamento de sinal, método de processamento de sinal para controlar um dispositivode processamento de sinal, e meio de armazenamento legível por computador BR112013017427B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011-006233 2011-01-14
JP2011006233A JP5743137B2 (ja) 2011-01-14 2011-01-14 信号処理装置および方法、並びにプログラム
PCT/JP2012/050173 WO2012096230A1 (ja) 2011-01-14 2012-01-06 信号処理装置および方法、並びにプログラム

Publications (2)

Publication Number Publication Date
BR112013017427A2 true BR112013017427A2 (pt) 2016-09-27
BR112013017427B1 BR112013017427B1 (pt) 2021-06-15

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US (3) US20130275142A1 (pt)
EP (2) EP2665061B1 (pt)
JP (1) JP5743137B2 (pt)
KR (3) KR101975066B1 (pt)
CN (1) CN103314407B (pt)
AU (1) AU2012206122B2 (pt)
BR (1) BR112013017427B1 (pt)
CA (1) CA2820195C (pt)
MX (1) MX345045B (pt)
RU (1) RU2604338C2 (pt)
TW (1) TWI498885B (pt)
WO (1) WO2012096230A1 (pt)

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EP2665061A4 (en) 2016-12-14
TWI498885B (zh) 2015-09-01
TW201230012A (en) 2012-07-16
US20130275142A1 (en) 2013-10-17
EP3849087A1 (en) 2021-07-14
KR20190047114A (ko) 2019-05-07
US20190355368A1 (en) 2019-11-21
EP2665061B1 (en) 2021-03-03
CN103314407B (zh) 2016-06-15
JP5743137B2 (ja) 2015-07-01
CN103314407A (zh) 2013-09-18
US10643630B2 (en) 2020-05-05
WO2012096230A1 (ja) 2012-07-19
KR102010220B1 (ko) 2019-08-12
KR102048672B1 (ko) 2019-11-25
KR20190095530A (ko) 2019-08-14
US10431229B2 (en) 2019-10-01
BR112013017427B1 (pt) 2021-06-15
CA2820195C (en) 2021-05-25
AU2012206122B2 (en) 2017-04-20
KR20130141634A (ko) 2013-12-26
RU2013130742A (ru) 2015-01-10
MX345045B (es) 2017-01-16
CA2820195A1 (en) 2012-07-19
KR101975066B1 (ko) 2019-05-03
RU2604338C2 (ru) 2016-12-10
JP2012145895A (ja) 2012-08-02
EP2665061A1 (en) 2013-11-20
US20170148452A1 (en) 2017-05-25
MX2013007895A (es) 2013-08-27
AU2012206122A1 (en) 2013-07-04

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