DK425689A - Talekodning - Google Patents

Talekodning

Info

Publication number: DK425689A
Authority: DK; Denmark
Prior art keywords: speech coding; speech; coding
Prior art date: 1988-01-05

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.)

1988-01-05

Filing date

1989-08-29

Publication date

1989-08-29

1988-01-05 Priority claimed from GB888800120A external-priority patent/GB8800120D0/en

1988-01-29 Priority claimed from GB888801998A external-priority patent/GB8801998D0/en

1989-08-29 Application filed by British Telecomm filed Critical British Telecomm

1989-08-29 Publication of DK425689A publication Critical patent/DK425689A/da

1989-08-29 Publication of DK425689D0 publication Critical patent/DK425689D0/da

1999-09-27 Application granted granted Critical

1999-09-27 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)
Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (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
GB888800120A GB8800120D0 (en)	1988-01-05	1988-01-05	Speech coding
GB888801998A GB8801998D0 (en)	1988-01-29	1988-01-29	Speech coding
GB8800120		1988-01-29
GB8801998		1988-01-29
GB8801152		1988-12-29
PCT/GB1988/001152 WO1989006418A1 (en)	1988-01-05	1988-12-29	Speech coding

Publications (3)

Publication Number	Publication Date
DK425689A true DK425689A (da)	1989-08-29
DK425689D0 DK425689D0 (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)	DE3879664D1 (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

1988
- 1988-12-29 WO PCT/GB1988/001152 patent/WO1989006418A1/en not_active Ceased
- 1988-12-29 AU AU29219/89A patent/AU608944B2/en not_active Expired
- 1988-12-29 EP EP88312412A patent/EP0324283B1/en not_active Expired - Lifetime
- 1988-12-29 JP JP1501163A patent/JP2992045B2/ja not_active Expired - Lifetime
- 1988-12-29 DE DE8888312412A patent/DE3879664D1/de not_active Expired - Lifetime
- 1988-12-29 DE DE88312412T patent/DE3879664T4/de not_active Expired - Lifetime
- 1988-12-29 ES ES198888312412T patent/ES2039655T3/es not_active Expired - Lifetime
- 1988-12-29 US US07/382,687 patent/US5058165A/en not_active Expired - Lifetime
1989
- 1989-01-04 CA CA000587501A patent/CA1334690C/en not_active Expired - Lifetime
- 1989-08-29 DK DK198904256A patent/DK172908B1/da not_active IP Right Cessation
- 1989-09-04 NO NO893532A patent/NO301097B1/no not_active IP Right Cessation
1996
- 1996-07-18 HK HK130196A patent/HK130196A/en not_active IP Right Cessation

Also Published As

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

Legal Events

Date	Code	Title	Description
1999-09-27	B1	Patent granted (law 1993)
2003-07-28	PBP	Patent lapsed	Country of ref document: DK

Publication	Publication Date	Title
FI103221B (fi)	1999-05-14	Puheen koodaus
DK438189D0 (da)	1989-09-05	Digital talekoder
DE69029120D1 (de)	1996-12-19	Stimmenkodierer
DE68925691D1 (de)	1996-03-28	Telefonapparat
DK66889D0 (da)	1989-02-13	Haeveseng
DK611889D0 (da)	1989-12-05	2-amino-4- eller -5-methoxycyclohexylamider
DK479289D0 (da)	1989-09-28	Taeppeflise
DK666289A (da)	1990-06-27	Arensulfonamidderivater
ATA172889A (de)	1994-02-15	Furanderivate
DK575589D0 (da)	1989-11-16	Pentitolholdige bolcher
DE69224253D1 (de)	1998-03-05	Sprachkodiergerät
NO903641L (no)	1991-03-04	Avgrenset stokastisk talekoding.
DE69029652D1 (de)	1997-02-20	Zeichenkodierung
DE69017498D1 (de)	1995-04-13	Sprachcodiergerät.
DE69329476D1 (de)	2000-11-02	Sprachkodierungsystem
DK25491D0 (da)	1991-02-14	Laasepaavirkningsaggregat
BR8906898A (pt)	1990-09-25	Jamela
DK6190A (da)	1990-01-10	Cyklonseparatorapparat
FI904768A7 (fi)	1991-04-13	Puheen koodausjärjestely
DE68928616D1 (de)	1998-04-30	Kodiereinrichtungsstruktur
DK425689A (da)	1989-08-29	Talekodning
DK165575C (da)	1993-05-10	Loeftesele
GB2225516B (en)	1993-06-09	Speech codec arrangement
ATE87388T1 (de)	1993-04-15	Sprachkodierung.
DE69232887D1 (de)	2003-02-06	Sprachkodierungsverfahren