CA2820195C - Signal processing device, method, and program - Google Patents

Signal processing device, method, and program Download PDF

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Publication number
CA2820195C
CA2820195C CA2820195A CA2820195A CA2820195C CA 2820195 C CA2820195 C CA 2820195C CA 2820195 A CA2820195 A CA 2820195A CA 2820195 A CA2820195 A CA 2820195A CA 2820195 C CA2820195 C CA 2820195C
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Prior art keywords
sine wave
signal
information
high frequency
noise
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Expired - Fee Related
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CA2820195A
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English (en)
French (fr)
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CA2820195A1 (en
Inventor
Mitsuyuki Hatanaka
Toru Chinen
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Sony Corp
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Sony Corp
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Classifications

    • 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
    • G10L19/0204—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 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
    • G10L21/04—Time compression or expansion
    • 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
    • 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
    • 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
    • G10L19/0204—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 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
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/093—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 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
    • 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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stereophonic System (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
CA2820195A 2011-01-14 2012-01-06 Signal processing device, method, and program Expired - Fee Related CA2820195C (en)

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
CA2820195A1 CA2820195A1 (en) 2012-07-19
CA2820195C true CA2820195C (en) 2021-05-25

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CA2820195A Expired - Fee Related CA2820195C (en) 2011-01-14 2012-01-06 Signal processing device, method, and program

Country Status (13)

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

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Publication number Publication date
EP2665061B1 (en) 2021-03-03
WO2012096230A1 (ja) 2012-07-19
BR112013017427A2 (pt) 2016-09-27
AU2012206122A1 (en) 2013-07-04
MX345045B (es) 2017-01-16
CA2820195A1 (en) 2012-07-19
KR101975066B1 (ko) 2019-05-03
JP2012145895A (ja) 2012-08-02
KR20190047114A (ko) 2019-05-07
RU2013130742A (ru) 2015-01-10
US10431229B2 (en) 2019-10-01
ES2992416T3 (es) 2024-12-12
CN103314407B (zh) 2016-06-15
AU2012206122B2 (en) 2017-04-20
US20190355368A1 (en) 2019-11-21
US20170148452A1 (en) 2017-05-25
BR112013017427B1 (pt) 2021-06-15
RU2604338C2 (ru) 2016-12-10
US20130275142A1 (en) 2013-10-17
KR102010220B1 (ko) 2019-08-12
JP5743137B2 (ja) 2015-07-01
EP3849087B1 (en) 2024-08-28
EP2665061A4 (en) 2016-12-14
KR102048672B1 (ko) 2019-11-25
TWI498885B (zh) 2015-09-01
TW201230012A (en) 2012-07-16
KR20130141634A (ko) 2013-12-26
CN103314407A (zh) 2013-09-18
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KR20190095530A (ko) 2019-08-14

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