HK1200971A1 - Signal processing apparatus and signal processing method and decoder and decoding method - Google Patents

Signal processing apparatus and signal processing method and decoder and decoding method

Info

Publication number
HK1200971A1
HK1200971A1 HK15101200.7A HK15101200A HK1200971A1 HK 1200971 A1 HK1200971 A1 HK 1200971A1 HK 15101200 A HK15101200 A HK 15101200A HK 1200971 A1 HK1200971 A1 HK 1200971A1
Authority
HK
Hong Kong
Prior art keywords
signal processing
decoder
processing apparatus
decoding method
decoding
Prior art date
Application number
HK15101200.7A
Other languages
English (en)
Chinese (zh)
Inventor
山本優樹
知念徹
本間弘幸
光藤祐基
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of HK1200971A1 publication Critical patent/HK1200971A1/xx

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Classifications

    • 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
    • G10L19/02—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
    • G10L19/04—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
    • 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
    • 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
    • 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
    • G10L21/0388—Details of processing therefor
HK15101200.7A 2010-04-13 2015-02-04 Signal processing apparatus and signal processing method and decoder and decoding method HK1200971A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2010092689 2010-04-13
JP2011017230 2011-01-28
JP2011072380A JP5850216B2 (ja) 2010-04-13 2011-03-29 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム

Publications (1)

Publication Number Publication Date
HK1200971A1 true HK1200971A1 (en) 2015-08-14

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
HK13102316.8A HK1175288A1 (en) 2010-04-13 2013-02-25 Signal processing device and method, encoding device and method, decoding device and method
HK15101200.7A HK1200971A1 (en) 2010-04-13 2015-02-04 Signal processing apparatus and signal processing method and decoder and decoding method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK13102316.8A HK1175288A1 (en) 2010-04-13 2013-02-25 Signal processing device and method, encoding device and method, decoding device and method

Country Status (14)

Country Link
US (6) US9406312B2 (xx)
EP (4) EP2560165B1 (xx)
JP (1) JP5850216B2 (xx)
KR (3) KR101916619B1 (xx)
CN (2) CN102834864B (xx)
AU (1) AU2011242000B2 (xx)
BR (1) BR112012025570B1 (xx)
CA (1) CA2794890C (xx)
ES (4) ES2939770T3 (xx)
HK (2) HK1175288A1 (xx)
RU (1) RU2550550C2 (xx)
TR (1) TR201808257T4 (xx)
TW (1) TWI484484B (xx)
WO (1) WO2011129303A1 (xx)

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