BR112013017427B1 - Dispositivo de processamento de sinal, método de processamento de sinal para controlar um dispositivode processamento de sinal, e meio de armazenamento legível por computador - Google Patents

Dispositivo de processamento de sinal, método de processamento de sinal para controlar um dispositivode processamento de sinal, e meio de armazenamento legível por computador Download PDF

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BR112013017427B1
BR112013017427B1 BR112013017427-7A BR112013017427A BR112013017427B1 BR 112013017427 B1 BR112013017427 B1 BR 112013017427B1 BR 112013017427 A BR112013017427 A BR 112013017427A BR 112013017427 B1 BR112013017427 B1 BR 112013017427B1
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signal
sine wave
information
frequency
envelope
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BR112013017427-7A
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Portuguese (pt)
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BR112013017427A2 (pt
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Mitsuyuki Hatanaka
Toru Chinen
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Sony Corporation
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    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/04Time compression or expansion
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/0204Speech 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
    • G10L19/0208Subband vocoders
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • G10L19/028Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/093Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using sinusoidal excitation models
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech 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
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stereophonic System (AREA)
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
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
JP2011-006233 2011-01-14
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

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

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US (3) US20130275142A1 (https=)
EP (3) EP4435780A3 (https=)
JP (1) JP5743137B2 (https=)
KR (3) KR101975066B1 (https=)
CN (1) CN103314407B (https=)
AU (1) AU2012206122B2 (https=)
BR (1) BR112013017427B1 (https=)
CA (1) CA2820195C (https=)
ES (1) ES2992416T3 (https=)
MX (1) MX345045B (https=)
RU (1) RU2604338C2 (https=)
TW (1) TWI498885B (https=)
WO (1) WO2012096230A1 (https=)

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EP2665061B1 (en) 2021-03-03
KR102048672B1 (ko) 2019-11-25
JP5743137B2 (ja) 2015-07-01
WO2012096230A1 (ja) 2012-07-19
CN103314407B (zh) 2016-06-15
KR20190047114A (ko) 2019-05-07
KR20130141634A (ko) 2013-12-26
CN103314407A (zh) 2013-09-18
US20130275142A1 (en) 2013-10-17
EP4435780A2 (en) 2024-09-25
US10431229B2 (en) 2019-10-01
RU2013130742A (ru) 2015-01-10
RU2604338C2 (ru) 2016-12-10
AU2012206122A1 (en) 2013-07-04
EP3849087A1 (en) 2021-07-14
AU2012206122B2 (en) 2017-04-20
EP4435780A3 (en) 2025-03-05
MX2013007895A (es) 2013-08-27
KR101975066B1 (ko) 2019-05-03
KR102010220B1 (ko) 2019-08-12
MX345045B (es) 2017-01-16
KR20190095530A (ko) 2019-08-14
EP3849087B1 (en) 2024-08-28
US10643630B2 (en) 2020-05-05
JP2012145895A (ja) 2012-08-02
TW201230012A (en) 2012-07-16
TWI498885B (zh) 2015-09-01
CA2820195A1 (en) 2012-07-19
ES2992416T3 (es) 2024-12-12
EP2665061A1 (en) 2013-11-20
US20170148452A1 (en) 2017-05-25
BR112013017427A2 (pt) 2016-09-27
US20190355368A1 (en) 2019-11-21
CA2820195C (en) 2021-05-25
EP2665061A4 (en) 2016-12-14

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