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JPWO2009038170A1 - 音声処理装置、音声処理方法、プログラム及び音楽・メロディ配信システム - Google Patents

音声処理装置、音声処理方法、プログラム及び音楽・メロディ配信システム Download PDF

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Publication number
JPWO2009038170A1
JPWO2009038170A1 JP2009533197A JP2009533197A JPWO2009038170A1 JP WO2009038170 A1 JPWO2009038170 A1 JP WO2009038170A1 JP 2009533197 A JP2009533197 A JP 2009533197A JP 2009533197 A JP2009533197 A JP 2009533197A JP WO2009038170 A1 JPWO2009038170 A1 JP WO2009038170A1
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Japan
Prior art keywords
signal
frequency
unit
unnecessary
auditory masking
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JP2009533197A
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English (en)
Japanese (ja)
Inventor
一範 小澤
一範 小澤
野村　俊之
俊之 野村
伊藤　博紀
伊藤　　博紀
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NEC Corp
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NEC Corp
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Publication of JPWO2009038170A1 publication Critical patent/JPWO2009038170A1/ja
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    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
JP2009533197A 2007-09-21 2008-09-19 音声処理装置、音声処理方法、プログラム及び音楽・メロディ配信システム Pending JPWO2009038170A1 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2007245545 2007-09-21
JP2007245545 2007-09-21
PCT/JP2008/066972 WO2009038170A1 (fr) 2007-09-21 2008-09-19 Dispositif de traitement audio, procédé de traitement audio, programme et système de distribution de composition/mélodie musicale

Publications (1)

Publication Number Publication Date
JPWO2009038170A1 true JPWO2009038170A1 (ja) 2011-01-06

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JP2009533197A Pending JPWO2009038170A1 (ja) 2007-09-21 2008-09-19 音声処理装置、音声処理方法、プログラム及び音楽・メロディ配信システム

Country Status (2)

Country Link
JP (1) JPWO2009038170A1 (fr)
WO (1) WO2009038170A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06332496A (ja) * 1993-05-21 1994-12-02 Mitsubishi Electric Corp 音声符号化装置、音声復号化装置、音声後処理装置及びこれらの方法
JPH07221650A (ja) * 1994-02-05 1995-08-18 Sony Corp 情報符号化方法及び装置並びに情報復号化方法及び装置
JPH0950298A (ja) * 1995-08-07 1997-02-18 Mitsubishi Electric Corp 音声符号化装置及び音声復号化装置
JP2000315099A (ja) * 1999-03-02 2000-11-14 Emudasu Systems:Kk データ圧縮装置及び音データ処理方法
WO2004090869A1 (fr) * 2003-04-08 2004-10-21 Nec Corporation Procede et dispositif de conversion de code

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5742734A (en) * 1994-08-10 1998-04-21 Qualcomm Incorporated Encoding rate selection in a variable rate vocoder
DE602004025517D1 (de) * 2004-05-17 2010-03-25 Nokia Corp Audiocodierung mit verschiedenen codierungsrahmenlängen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06332496A (ja) * 1993-05-21 1994-12-02 Mitsubishi Electric Corp 音声符号化装置、音声復号化装置、音声後処理装置及びこれらの方法
JPH07221650A (ja) * 1994-02-05 1995-08-18 Sony Corp 情報符号化方法及び装置並びに情報復号化方法及び装置
JPH0950298A (ja) * 1995-08-07 1997-02-18 Mitsubishi Electric Corp 音声符号化装置及び音声復号化装置
JP2000315099A (ja) * 1999-03-02 2000-11-14 Emudasu Systems:Kk データ圧縮装置及び音データ処理方法
WO2004090869A1 (fr) * 2003-04-08 2004-10-21 Nec Corporation Procede et dispositif de conversion de code

Also Published As

Publication number Publication date
WO2009038170A1 (fr) 2009-03-26

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