ATE471557T1 - Spektrum-codierungseinrichtung, spektrum- decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür - Google Patents

Spektrum-codierungseinrichtung, spektrum- decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür

Info

Publication number
ATE471557T1
ATE471557T1 AT04793277T AT04793277T ATE471557T1 AT E471557 T1 ATE471557 T1 AT E471557T1 AT 04793277 T AT04793277 T AT 04793277T AT 04793277 T AT04793277 T AT 04793277T AT E471557 T1 ATE471557 T1 AT E471557T1
Authority
AT
Austria
Prior art keywords
spectrum
acoustic signals
section
coding
receiving
Prior art date
Application number
AT04793277T
Other languages
English (en)
Inventor
Masahiro Oshikiri
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of ATE471557T1 publication Critical patent/ATE471557T1/de

Links

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
    • 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
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT04793277T 2003-10-23 2004-10-25 Spektrum-codierungseinrichtung, spektrum- decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür ATE471557T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003363080 2003-10-23
PCT/JP2004/016176 WO2005040749A1 (ja) 2003-10-23 2004-10-25 スペクトル符号化装置、スペクトル復号化装置、音響信号送信装置、音響信号受信装置、およびこれらの方法

Publications (1)

Publication Number Publication Date
ATE471557T1 true ATE471557T1 (de) 2010-07-15

Family

ID=34510022

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04793277T ATE471557T1 (de) 2003-10-23 2004-10-25 Spektrum-codierungseinrichtung, spektrum- decodierungseinrichtung, übertragungseinrichtung für akustische signale, empfangseinrichtung für akustische signale und verfahren dafür

Country Status (9)

Country Link
US (4) US7949057B2 (de)
EP (3) EP2221807B1 (de)
JP (3) JP4822843B2 (de)
KR (1) KR20060090995A (de)
CN (3) CN100507485C (de)
AT (1) ATE471557T1 (de)
BR (1) BRPI0415464B1 (de)
DE (1) DE602004027750D1 (de)
WO (1) WO2005040749A1 (de)

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Also Published As

Publication number Publication date
US7949057B2 (en) 2011-05-24
BRPI0415464B1 (pt) 2019-04-24
DE602004027750D1 (de) 2010-07-29
US8208570B2 (en) 2012-06-26
JP2011100159A (ja) 2011-05-19
WO2005040749A1 (ja) 2005-05-06
CN101556800B (zh) 2012-05-23
EP2221808A1 (de) 2010-08-25
EP2221808B1 (de) 2012-07-11
JP4822843B2 (ja) 2011-11-24
EP2221807A1 (de) 2010-08-25
EP1677088A1 (de) 2006-07-05
KR20060090995A (ko) 2006-08-17
BRPI0415464A (pt) 2006-12-19
US20070071116A1 (en) 2007-03-29
US8315322B2 (en) 2012-11-20
US8275061B2 (en) 2012-09-25
US20110196686A1 (en) 2011-08-11
BRPI0415464A8 (pt) 2017-06-06
CN101556800A (zh) 2009-10-14
CN101556801B (zh) 2012-06-20
JPWO2005040749A1 (ja) 2007-04-19
CN101556801A (zh) 2009-10-14
CN100507485C (zh) 2009-07-01
JP5226092B2 (ja) 2013-07-03
US20110196674A1 (en) 2011-08-11
JP5226091B2 (ja) 2013-07-03
CN1871501A (zh) 2006-11-29
US20110194635A1 (en) 2011-08-11
JP2011100158A (ja) 2011-05-19
EP1677088B1 (de) 2010-06-16
EP1677088A4 (de) 2008-08-13
EP2221807B1 (de) 2013-03-20

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