DE69130202D1 - ADPCM-Dekoder mit Fehlererkennung - Google Patents

ADPCM-Dekoder mit Fehlererkennung

Info

Publication number
DE69130202D1
DE69130202D1 DE69130202T DE69130202T DE69130202D1 DE 69130202 D1 DE69130202 D1 DE 69130202D1 DE 69130202 T DE69130202 T DE 69130202T DE 69130202 T DE69130202 T DE 69130202T DE 69130202 D1 DE69130202 D1 DE 69130202D1
Authority
DE
Germany
Prior art keywords
error detection
adpcm decoder
adpcm
decoder
error
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
DE69130202T
Other languages
English (en)
Other versions
DE69130202T2 (de
Inventor
Peter Richard Dent
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE69130202D1 publication Critical patent/DE69130202D1/de
Application granted granted Critical
Publication of DE69130202T2 publication Critical patent/DE69130202T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
    • H04B14/066—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using differential modulation with several bits [NDPCM]
    • H04B14/068—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using differential modulation with several bits [NDPCM] with adaptive feedback
DE69130202T 1990-11-12 1991-11-08 ADPCM-Dekoder mit Fehlererkennung Expired - Fee Related DE69130202T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909024515A GB9024515D0 (en) 1990-11-12 1990-11-12 Improvements in or relating to digital communications

Publications (2)

Publication Number Publication Date
DE69130202D1 true DE69130202D1 (de) 1998-10-22
DE69130202T2 DE69130202T2 (de) 1999-04-22

Family

ID=10685220

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69130202T Expired - Fee Related DE69130202T2 (de) 1990-11-12 1991-11-08 ADPCM-Dekoder mit Fehlererkennung

Country Status (5)

Country Link
US (1) US6108808A (de)
EP (1) EP0486232B1 (de)
JP (1) JPH0685767A (de)
DE (1) DE69130202T2 (de)
GB (1) GB9024515D0 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236088A1 (de) * 1992-10-26 1994-04-28 Siemens Ag Verfahren zur Verringerung störender Auswirkungen schlechter Sprachübertragungsqualität bei einer Fernsprechverbindung mit einem schnurlosen Fernsprechgerät
US5424881A (en) 1993-02-01 1995-06-13 Cirrus Logic, Inc. Synchronous read channel
US5799039A (en) * 1994-09-19 1998-08-25 Motorola, Inc. Method and apparatus for error mitigating a received communication signal
US7130340B1 (en) * 2000-10-27 2006-10-31 Sun Microsystems, Inc. Noise margin self-diagnostic receiver logic
US20090262954A1 (en) * 2008-04-17 2009-10-22 Himax Technologies Limited Audio signal adjusting method and device utilizing the same
EP2291558B1 (de) 2008-06-12 2017-07-26 3M Innovative Properties Company Schmelzgeblasene feinfasern und herstellungsverfahren
AU2010235035B2 (en) 2009-03-31 2014-12-04 3M Innovative Properties Company Dimensionally stable nonwoven fibrous webs and methods of making and using the same
TW201221714A (en) 2010-10-14 2012-06-01 3M Innovative Properties Co Dimensionally stable nonwoven fibrous webs and methods of making and using the same
JP5599487B2 (ja) * 2013-04-24 2014-10-01 パナソニック株式会社 Ａｄｐｃｍ音声伝送システムの音声処理装置およびその音声処理方法

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2889521A (en) * 1954-01-12 1959-06-02 Itt Automatic frequency control in pulse modulation systems
US2876418A (en) * 1957-05-09 1959-03-03 Bell Telephone Labor Inc Encoder for pulse code modulation
US2949505A (en) * 1957-08-14 1960-08-16 Bell Telephone Labor Inc Reduced bandwith transmission system
BE756233A (fr) * 1969-09-16 1971-03-16 Siemens Ag Montage pour determiner avec certitude le debut de transmissiondans unestation receptrice de systeme de transmission de donnees
DE2011056B2 (de) * 1970-03-09 1971-12-16 Krone Gmbh, 1000 Berlin Pulscodedemodulator mit dehnercharakteristik aufweisender knickkennlinie
US3701144A (en) * 1970-10-28 1972-10-24 Us Navy High frequency analog-to-digital converter
US3810020A (en) * 1972-06-05 1974-05-07 Lynch Communication Sys Inc Encoder-decoder for pcm systems
US3761613A (en) * 1972-06-20 1973-09-25 Bell Telephone Labor Inc Dual mode video encoder
US3927376A (en) * 1974-12-23 1975-12-16 Rca Corp Speaker muting system
US4118686A (en) * 1977-09-06 1978-10-03 Gte Automatic Electric Laboratories, Incorporated Error correction for signals employing the modified duobinary code
NL7807171A (nl) * 1978-06-30 1980-01-03 Philips Nv Ontvanger voor digitale signalen in lijncode.
US4291406A (en) * 1979-08-06 1981-09-22 International Business Machines Corporation Error correction on burst channels by sequential decoding
DE3101797A1 (de) * 1980-07-22 1982-04-01 Siemens AG, 1000 Berlin und 8000 München Ueberwachungseinrichtung fuer einen pcm-regenerator mit coderegel-verletzungspruefer
US4394695A (en) * 1981-02-02 1983-07-19 Sharp Corporation Method and apparatus for evaluating recording systems
US4554670A (en) * 1982-04-14 1985-11-19 Nec Corporation System and method for ADPCM transmission of speech or like signals
US4528591A (en) * 1982-08-16 1985-07-09 Tektronix, Inc. Raster scan frame digitizer method and apparatus
US4825451A (en) * 1982-10-11 1989-04-25 Niravoice, Inc. Technique for transmission of voice communications and apparatus useful therein
US4571737A (en) * 1982-12-10 1986-02-18 Nec Corporation Adaptive differential pulse code modulation decoding circuit
US4683571A (en) * 1984-05-30 1987-07-28 Victor Company Of Japan, Ltd. Digital signal decoding system
JPS6151253A (ja) * 1984-08-20 1986-03-13 Nec Corp 誤り訂正回路
US4677627A (en) * 1985-06-05 1987-06-30 International Business Machines Corp. Error correction scheme
KR910009557B1 (ko) * 1987-03-31 1991-11-21 미쓰비시 뎅끼 가부시끼가이샤 동기신호 처리회로
FR2628589B1 (fr) * 1988-03-14 1994-03-04 Etat Francais Codeur differentiel a filtre predicteur auto-adaptatif et decodeur utilisable en liaison avec un tel codeur
US5111191A (en) * 1988-06-23 1992-05-05 Motorola, Inc. Method and apparatus for waveform digitization
US5058112A (en) * 1989-07-31 1991-10-15 Ag Communication Systems Corporation Programmable fault insertion circuit
US4968902A (en) * 1989-08-02 1990-11-06 Tektronix, Inc. Unstable data recognition circuit for dual threshold synchronous data
GB2237484B (en) * 1989-10-12 1994-01-12 Stc Plc Speech codec arrangement
US5027358A (en) * 1989-11-09 1991-06-25 At&T Bell Laboratories Switch-adjunct communications protocol
US5065395A (en) * 1990-04-09 1991-11-12 Dsc Communications Corporation Rudimentary digital speech interpolation apparatus and method
US5097147A (en) * 1991-02-01 1992-03-17 Tektronix, Inc. Limited amplitude signal trigger circuit

Also Published As

Publication number Publication date
US6108808A (en) 2000-08-22
DE69130202T2 (de) 1999-04-22
EP0486232A3 (en) 1993-03-17
GB9024515D0 (en) 1991-01-02
EP0486232B1 (de) 1998-09-16
JPH0685767A (ja) 1994-03-25
EP0486232A2 (de) 1992-05-20

Similar Documents

Publication Publication Date Title
DE69029542T2 (de) Viterbidekodierer
DE69232824T2 (de) Dekoder
DE69402586T2 (de) Positionsdetektor
DK0442200T3 (da) Transportør
DE68914537T2 (de) Fremdstoffdetektor.
FI912565A0 (fi) Absorptiokappale
DE68907150T2 (de) Sequentieller Dekodierer.
DE69129059D1 (de) Speichersystem mit Fehlererkennung und -korrektur
DE69117348D1 (de) Spurfolgefehlerdetektion
DE69115754D1 (de) Viterbi-Decoder
DE69027454D1 (de) Positionsdetektor
DE69130202D1 (de) ADPCM-Dekoder mit Fehlererkennung
DE69309211D1 (de) Tonerkonzentrationsmessung mit Selbsteichung
DE69126493T2 (de) Fehlererkennungssystem
DE69212650T2 (de) Glasfaserwicklung
DE69128837T2 (de) Füllstandsmessung
DE69118623D1 (de) Absorptionsdetektor
FI893456A0 (fi) Text-tv-dekoder.
DE68912382T2 (de) Fremdstoffdetektor.
DE69031615T2 (de) Dekodierer
DE9301170U1 (de) Inkohärenter Demodulator mit Viterbi-Detektion
DE68902749T2 (de) Einfaedler mit nadelhaltender einkerbung.
PT92290A (pt) Codificador e descodificador quadruplos
KR900011164A (ko) 디코우더
KR960006519U (ko) 오류 검출 부호 디코더

Legal Events

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