DK425689A - Talekodning - Google Patents

Talekodning

Info

Publication number
DK425689A
DK425689A DK425689A DK425689A DK425689A DK 425689 A DK425689 A DK 425689A DK 425689 A DK425689 A DK 425689A DK 425689 A DK425689 A DK 425689A DK 425689 A DK425689 A DK 425689A
Authority
DK
Denmark
Prior art keywords
speech coding
speech
coding
Prior art date
Application number
DK425689A
Other languages
English (en)
Other versions
DK425689D0 (da
DK172908B1 (da
Inventor
Martin Roger Lester Hodges
Original Assignee
British Telecomm
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 GB888800120A external-priority patent/GB8800120D0/en
Priority claimed from GB888801998A external-priority patent/GB8801998D0/en
Application filed by British Telecomm filed Critical British Telecomm
Publication of DK425689D0 publication Critical patent/DK425689D0/da
Publication of DK425689A publication Critical patent/DK425689A/da
Application granted granted Critical
Publication of DK172908B1 publication Critical patent/DK172908B1/da

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

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)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DK198904256A 1988-01-05 1989-08-29 Talekodning DK172908B1 (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
GB8800120 1988-01-05
GB888800120A GB8800120D0 (en) 1988-01-05 1988-01-05 Speech coding
GB888801998A GB8801998D0 (en) 1988-01-29 1988-01-29 Speech coding
GB8801998 1988-01-29
PCT/GB1988/001152 WO1989006418A1 (en) 1988-01-05 1988-12-29 Speech coding
GB8801152 1988-12-29

Publications (3)

Publication Number Publication Date
DK425689D0 DK425689D0 (da) 1989-08-29
DK425689A true DK425689A (da) 1989-08-29
DK172908B1 DK172908B1 (da) 1999-09-27

Family

ID=26293268

Family Applications (1)

Application Number Title Priority Date Filing Date
DK198904256A DK172908B1 (da) 1988-01-05 1989-08-29 Talekodning

Country Status (11)

Country Link
US (1) US5058165A (da)
EP (1) EP0324283B1 (da)
JP (1) JP2992045B2 (da)
AU (1) AU608944B2 (da)
CA (1) CA1334690C (da)
DE (2) DE3879664T4 (da)
DK (1) DK172908B1 (da)
ES (1) ES2039655T3 (da)
HK (1) HK130196A (da)
NO (1) NO301097B1 (da)
WO (1) WO1989006418A1 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2729244B1 (fr) * 1995-01-06 1997-03-28 Matra Communication Procede de codage de parole a analyse par synthese

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32580E (en) * 1981-12-01 1988-01-19 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech coder
US4724535A (en) * 1984-04-17 1988-02-09 Nec Corporation Low bit-rate pattern coding with recursive orthogonal decision of parameters
JPS61134000A (ja) * 1984-12-05 1986-06-21 株式会社日立製作所 音声分析合成方式
CA1252568A (en) * 1984-12-24 1989-04-11 Kazunori Ozawa Low bit-rate pattern encoding and decoding capable of reducing an information transmission rate
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
US4944013A (en) * 1985-04-03 1990-07-24 British Telecommunications Public Limited Company Multi-pulse speech coder
JPH0650439B2 (ja) * 1986-07-17 1994-06-29 日本電気株式会社 マルチパルス駆動形音声符号化器
GB8621932D0 (en) * 1986-09-11 1986-10-15 British Telecomm Speech coding

Also Published As

Publication number Publication date
DK425689D0 (da) 1989-08-29
US5058165A (en) 1991-10-15
EP0324283B1 (en) 1993-03-24
DE3879664T4 (de) 1993-10-07
WO1989006418A1 (en) 1989-07-13
NO893532L (no) 1989-09-04
JPH02502857A (ja) 1990-09-06
DE3879664T2 (de) 1993-07-01
CA1334690C (en) 1995-03-07
HK130196A (en) 1996-07-26
AU608944B2 (en) 1991-04-18
EP0324283A1 (en) 1989-07-19
ES2039655T3 (es) 1993-10-01
NO893532D0 (no) 1989-09-04
AU2921989A (en) 1989-08-01
NO301097B1 (no) 1997-09-08
DE3879664D1 (de) 1993-04-29
JP2992045B2 (ja) 1999-12-20
DK172908B1 (da) 1999-09-27

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

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