HK130196A - Speech coding - Google Patents

Speech coding

Info

Publication number
HK130196A
HK130196A HK130196A HK130196A HK130196A HK 130196 A HK130196 A HK 130196A HK 130196 A HK130196 A HK 130196A HK 130196 A HK130196 A HK 130196A HK 130196 A HK130196 A HK 130196A
Authority
HK
Hong Kong
Prior art keywords
speech coding
speech
coding
Prior art date
Application number
HK130196A
Other languages
English (en)
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 HK130196A publication Critical patent/HK130196A/xx

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)
HK130196A 1988-01-05 1996-07-18 Speech coding HK130196A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888800120A GB8800120D0 (en) 1988-01-05 1988-01-05 Speech coding
GB888801998A GB8801998D0 (en) 1988-01-29 1988-01-29 Speech coding

Publications (1)

Publication Number Publication Date
HK130196A true HK130196A (en) 1996-07-26

Family

ID=26293268

Family Applications (1)

Application Number Title Priority Date Filing Date
HK130196A HK130196A (en) 1988-01-05 1996-07-18 Speech coding

Country Status (11)

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

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
DK425689A (da) 1989-08-29
EP0324283B1 (de) 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
AU608944B2 (en) 1991-04-18
EP0324283A1 (de) 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

Similar Documents

Publication Publication Date Title
GB2173679B (en) Speech coding
HK128896A (en) Speech coding
EP0424121A3 (en) Speech coding system
EP0443548A3 (en) Speech coder
EP0409239A3 (en) Speech coding/decoding method
EP0324584A3 (en) Predictive coding device
GB2269079B (en) Speech coding circuit
IL95753A0 (en) Digital speech coder
GB8720604D0 (en) Speech coding
GB2204766B (en) Speech encoder
GB8722002D0 (en) Multi-pulse speech coding
GB2195518B (en) Speech coding system
IL94119A0 (en) Digital speech coder
IL92480A0 (en) Feature comparison
GB2237484B (en) Speech codec arrangement
HK130196A (en) Speech coding
GB2225516B (en) Speech codec arrangement
GB8703354D0 (en) Coder
GB8800120D0 (en) Speech coding
GB8801998D0 (en) Speech coding
GB9002282D0 (en) Encoding speech
GB8720388D0 (en) Speech coding
GB8720389D0 (en) Speech coding
GB8721667D0 (en) Speech coding
GB9027757D0 (en) Speech coding

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)