NO326880B1 - Fremgangsmate og anordning for taledata - Google Patents

Fremgangsmate og anordning for taledata Download PDF

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Publication number
NO326880B1
NO326880B1 NO20021631A NO20021631A NO326880B1 NO 326880 B1 NO326880 B1 NO 326880B1 NO 20021631 A NO20021631 A NO 20021631A NO 20021631 A NO20021631 A NO 20021631A NO 326880 B1 NO326880 B1 NO 326880B1
Authority
NO
Norway
Prior art keywords
prediction
speech
class
coefficients
code
Prior art date
Application number
NO20021631A
Other languages
English (en)
Norwegian (no)
Other versions
NO20021631D0 (no
NO20021631L (no
Inventor
Tetsujiro Kondo
Tsutomu Watanabe
Hiroto Kimura
Masaaki Hattori
Yasuhiro Fujimori
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
Priority claimed from JP2000251969A external-priority patent/JP2002062899A/ja
Priority claimed from JP2000346675A external-priority patent/JP4517262B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Publication of NO20021631D0 publication Critical patent/NO20021631D0/no
Publication of NO20021631L publication Critical patent/NO20021631L/no
Publication of NO326880B1 publication Critical patent/NO326880B1/no

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
    • G10L19/04—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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
NO20021631A 2000-08-09 2002-04-05 Fremgangsmate og anordning for taledata NO326880B1 (no)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000241062 2000-08-09
JP2000251969A JP2002062899A (ja) 2000-08-23 2000-08-23 データ処理装置およびデータ処理方法、学習装置および学習方法、並びに記録媒体
JP2000346675A JP4517262B2 (ja) 2000-11-14 2000-11-14 音声処理装置および音声処理方法、学習装置および学習方法、並びに記録媒体
PCT/JP2001/006708 WO2002013183A1 (en) 2000-08-09 2001-08-03 Voice data processing device and processing method

Publications (3)

Publication Number Publication Date
NO20021631D0 NO20021631D0 (no) 2002-04-05
NO20021631L NO20021631L (no) 2002-06-07
NO326880B1 true NO326880B1 (no) 2009-03-09

Family

ID=27344301

Family Applications (3)

Application Number Title Priority Date Filing Date
NO20021631A NO326880B1 (no) 2000-08-09 2002-04-05 Fremgangsmate og anordning for taledata
NO20082401A NO20082401L (no) 2000-08-09 2008-05-26 Fremgangsmate og anordning for taledata
NO20082403A NO20082403L (no) 2000-08-09 2008-05-26 Fremgangsmate og anordning for taledata

Family Applications After (2)

Application Number Title Priority Date Filing Date
NO20082401A NO20082401L (no) 2000-08-09 2008-05-26 Fremgangsmate og anordning for taledata
NO20082403A NO20082403L (no) 2000-08-09 2008-05-26 Fremgangsmate og anordning for taledata

Country Status (7)

Country Link
US (1) US7912711B2 (de)
EP (3) EP1944760B1 (de)
KR (1) KR100819623B1 (de)
DE (3) DE60140020D1 (de)
NO (3) NO326880B1 (de)
TW (1) TW564398B (de)
WO (1) WO2002013183A1 (de)

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Also Published As

Publication number Publication date
NO20021631D0 (no) 2002-04-05
KR100819623B1 (ko) 2008-04-04
EP1944760A3 (de) 2008-07-30
NO20082401L (no) 2002-06-07
EP1308927A1 (de) 2003-05-07
US7912711B2 (en) 2011-03-22
EP1308927B9 (de) 2009-02-25
KR20020040846A (ko) 2002-05-30
EP1944759A3 (de) 2008-07-30
DE60134861D1 (de) 2008-08-28
EP1308927B1 (de) 2008-07-16
TW564398B (en) 2003-12-01
US20080027720A1 (en) 2008-01-31
NO20021631L (no) 2002-06-07
EP1944760B1 (de) 2009-09-23
EP1944759B1 (de) 2010-10-20
EP1944760A2 (de) 2008-07-16
NO20082403L (no) 2002-06-07
WO2002013183A1 (en) 2002-02-14
DE60140020D1 (de) 2009-11-05
DE60143327D1 (de) 2010-12-02
EP1308927A4 (de) 2005-09-28
EP1944759A2 (de) 2008-07-16

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