DE69221985D1 - Method and device for smoothing basic period waveforms - Google Patents

Method and device for smoothing basic period waveforms

Info

Publication number
DE69221985D1
DE69221985D1 DE69221985T DE69221985T DE69221985D1 DE 69221985 D1 DE69221985 D1 DE 69221985D1 DE 69221985 T DE69221985 T DE 69221985T DE 69221985 T DE69221985 T DE 69221985T DE 69221985 D1 DE69221985 D1 DE 69221985D1
Authority
DE
Germany
Prior art keywords
smoothing
basic period
period waveforms
waveforms
basic
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69221985T
Other languages
German (de)
Other versions
DE69221985T2 (en
Inventor
Willem Bastiaan Kleijn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T 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 AT&T Corp filed Critical AT&T Corp
Publication of DE69221985D1 publication Critical patent/DE69221985D1/en
Application granted granted Critical
Publication of DE69221985T2 publication Critical patent/DE69221985T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE1992621985 1991-10-18 1992-10-08 Method and device for smoothing basic period waveforms Expired - Fee Related DE69221985T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US77856091A 1991-10-18 1991-10-18

Publications (2)

Publication Number Publication Date
DE69221985D1 true DE69221985D1 (en) 1997-10-09
DE69221985T2 DE69221985T2 (en) 1998-01-08

Family

ID=25113764

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992621985 Expired - Fee Related DE69221985T2 (en) 1991-10-18 1992-10-08 Method and device for smoothing basic period waveforms

Country Status (4)

Country Link
EP (1) EP0537948B1 (en)
JP (1) JP3798433B2 (en)
DE (1) DE69221985T2 (en)
ES (1) ES2104842T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1192358C (en) * 1997-12-08 2005-03-09 三菱电机株式会社 Sound signal processing method and sound signal processing device
WO2000072305A2 (en) * 1999-05-19 2000-11-30 Noisecom Aps A method and apparatus for noise reduction in speech signals
JP4968421B2 (en) * 2001-09-28 2012-07-04 大日本印刷株式会社 Time series signal analyzer

Also Published As

Publication number Publication date
JPH05224698A (en) 1993-09-03
EP0537948A2 (en) 1993-04-21
DE69221985T2 (en) 1998-01-08
ES2104842T3 (en) 1997-10-16
EP0537948A3 (en) 1993-06-23
JP3798433B2 (en) 2006-07-19
EP0537948B1 (en) 1997-09-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee