DE69031749T2 - Einrichtung und Verfahren zur Sprachkodierung mit Regular-Pulsanregung - Google Patents

Einrichtung und Verfahren zur Sprachkodierung mit Regular-Pulsanregung

Info

Publication number
DE69031749T2
DE69031749T2 DE1990631749 DE69031749T DE69031749T2 DE 69031749 T2 DE69031749 T2 DE 69031749T2 DE 1990631749 DE1990631749 DE 1990631749 DE 69031749 T DE69031749 T DE 69031749T DE 69031749 T2 DE69031749 T2 DE 69031749T2
Authority
DE
Germany
Prior art keywords
speech coding
pulse excitation
regular pulse
regular
excitation
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
DE1990631749
Other languages
English (en)
Other versions
DE69031749D1 (de
Inventor
Yoshihiro Unno
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.)
NEC Corp
Original Assignee
NEC 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 JP1150770A external-priority patent/JPH0315900A/ja
Priority claimed from JP1254458A external-priority patent/JP2900431B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69031749D1 publication Critical patent/DE69031749D1/de
Publication of DE69031749T2 publication Critical patent/DE69031749T2/de
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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/113—Regular pulse excitation

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)
DE1990631749 1989-06-14 1990-06-15 Einrichtung und Verfahren zur Sprachkodierung mit Regular-Pulsanregung Expired - Fee Related DE69031749T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1150770A JPH0315900A (ja) 1989-06-14 1989-06-14 音声信号符号化装置
JP1254458A JP2900431B2 (ja) 1989-09-29 1989-09-29 音声信号符号化装置

Publications (2)

Publication Number Publication Date
DE69031749D1 DE69031749D1 (de) 1998-01-08
DE69031749T2 true DE69031749T2 (de) 1998-05-14

Family

ID=26480256

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1990631749 Expired - Fee Related DE69031749T2 (de) 1989-06-14 1990-06-15 Einrichtung und Verfahren zur Sprachkodierung mit Regular-Pulsanregung

Country Status (2)

Country Link
EP (1) EP0402947B1 (de)
DE (1) DE69031749T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2084323C (en) * 1991-12-03 1996-12-03 Tetsu Taguchi Speech signal encoding system capable of transmitting a speech signal at a low bit rate

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5091946A (en) * 1988-12-23 1992-02-25 Nec Corporation Communication system capable of improving a speech quality by effectively calculating excitation multipulses

Also Published As

Publication number Publication date
EP0402947B1 (de) 1997-11-26
EP0402947A3 (de) 1991-10-23
EP0402947A2 (de) 1990-12-19
DE69031749D1 (de) 1998-01-08

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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