ATE534990T1 - Skalierbare sprachcodierungsvorrichtung, skalierbare sprachdecodierungsvorrichtung, skalierbares sprachcodierungsverfahren, skalierbares sprachdecodierungsverfahren, kommunikationsendgerät und basisstationsgerät - Google Patents

Skalierbare sprachcodierungsvorrichtung, skalierbare sprachdecodierungsvorrichtung, skalierbares sprachcodierungsverfahren, skalierbares sprachdecodierungsverfahren, kommunikationsendgerät und basisstationsgerät

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Publication number
ATE534990T1
ATE534990T1 AT05783539T AT05783539T ATE534990T1 AT E534990 T1 ATE534990 T1 AT E534990T1 AT 05783539 T AT05783539 T AT 05783539T AT 05783539 T AT05783539 T AT 05783539T AT E534990 T1 ATE534990 T1 AT E534990T1
Authority
AT
Austria
Prior art keywords
lsp
scalable
scalable voice
outputs
converted
Prior art date
Application number
AT05783539T
Other languages
English (en)
Inventor
Hiroyuki Ehara
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 ATE534990T1 publication Critical patent/ATE534990T1/de

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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
    • G10L19/04—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
    • 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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • G10L19/07—Line spectrum pair [LSP] 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
    • G10L19/04—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
    • G10L19/18—Vocoders using multiple modes
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (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)
  • Quality & Reliability (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT05783539T 2004-09-17 2005-09-15 Skalierbare sprachcodierungsvorrichtung, skalierbare sprachdecodierungsvorrichtung, skalierbares sprachcodierungsverfahren, skalierbares sprachdecodierungsverfahren, kommunikationsendgerät und basisstationsgerät ATE534990T1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004272481 2004-09-17
JP2004329094 2004-11-12
JP2005255242 2005-09-02
PCT/JP2005/017054 WO2006030865A1 (ja) 2004-09-17 2005-09-15 スケーラブル符号化装置、スケーラブル復号化装置、スケーラブル符号化方法、スケーラブル復号化方法、通信端末装置および基地局装置

Publications (1)

Publication Number Publication Date
ATE534990T1 true ATE534990T1 (de) 2011-12-15

Family

ID=36060115

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05783539T ATE534990T1 (de) 2004-09-17 2005-09-15 Skalierbare sprachcodierungsvorrichtung, skalierbare sprachdecodierungsvorrichtung, skalierbares sprachcodierungsverfahren, skalierbares sprachdecodierungsverfahren, kommunikationsendgerät und basisstationsgerät

Country Status (8)

Country Link
US (2) US7848925B2 (de)
EP (2) EP1791116B1 (de)
JP (2) JP4963963B2 (de)
KR (1) KR20070051910A (de)
CN (2) CN101023471B (de)
AT (1) ATE534990T1 (de)
BR (1) BRPI0515453A (de)
WO (1) WO2006030865A1 (de)

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Also Published As

Publication number Publication date
CN102103860A (zh) 2011-06-22
JPWO2006030865A1 (ja) 2008-05-15
US8712767B2 (en) 2014-04-29
JP2010244078A (ja) 2010-10-28
JP4963963B2 (ja) 2012-06-27
KR20070051910A (ko) 2007-05-18
EP2273494A2 (de) 2011-01-12
EP1791116A4 (de) 2007-11-14
WO2006030865A1 (ja) 2006-03-23
EP1791116A1 (de) 2007-05-30
EP2273494A3 (de) 2012-11-14
US20080059166A1 (en) 2008-03-06
EP1791116B1 (de) 2011-11-23
JP5143193B2 (ja) 2013-02-13
US20110040558A1 (en) 2011-02-17
CN101023471B (zh) 2011-05-25
CN102103860B (zh) 2013-05-08
BRPI0515453A (pt) 2008-07-22
US7848925B2 (en) 2010-12-07
CN101023471A (zh) 2007-08-22

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