FR2417894A1 - Dispositif pour le decodage d'un signal code par modulation delta adaptable - Google Patents

Dispositif pour le decodage d'un signal code par modulation delta adaptable

Info

Publication number
FR2417894A1
FR2417894A1 FR7904401A FR7904401A FR2417894A1 FR 2417894 A1 FR2417894 A1 FR 2417894A1 FR 7904401 A FR7904401 A FR 7904401A FR 7904401 A FR7904401 A FR 7904401A FR 2417894 A1 FR2417894 A1 FR 2417894A1
Authority
FR
France
Prior art keywords
decoding
delta
code signal
adaptable modulation
adaptable
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.)
Withdrawn
Application number
FR7904401A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2417894A1 publication Critical patent/FR2417894A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]
    • H03M3/024—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM] using syllabic companding, e.g. continuously variable slope delta modulation [CVSD]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)

Abstract

Dispositif pour le décodage d'un signal de modulation delta comprimé, dans lequel, en vue de simplifier le filtre de sortie analogique, un filtre numérique interpolant à réponse d'impulsions indépendante des signaux est incorporé au circuit expansion dynamique. Application : télécommunications.
FR7904401A 1978-02-21 1979-02-21 Dispositif pour le decodage d'un signal code par modulation delta adaptable Withdrawn FR2417894A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7801909A NL7801909A (nl) 1978-02-21 1978-02-21 Inrichting voor het decoderen van een met adap- tieve deltamodulatie gecodeerd signaal.

Publications (1)

Publication Number Publication Date
FR2417894A1 true FR2417894A1 (fr) 1979-09-14

Family

ID=19830368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7904401A Withdrawn FR2417894A1 (fr) 1978-02-21 1979-02-21 Dispositif pour le decodage d'un signal code par modulation delta adaptable

Country Status (7)

Country Link
US (1) US4233684A (fr)
JP (1) JPS54122965A (fr)
AU (1) AU4433379A (fr)
DE (1) DE2906139A1 (fr)
FR (1) FR2417894A1 (fr)
GB (1) GB2014811B (fr)
NL (1) NL7801909A (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4382285A (en) * 1980-12-30 1983-05-03 Motorola, Inc. Filter for binary data with integral output amplitude multiplier
US4406010A (en) * 1980-12-30 1983-09-20 Motorola, Inc. Receiver for CVSD modulation with integral filtering
GB2133238A (en) * 1982-12-10 1984-07-18 Marconi Co Ltd Coder/decoder arrangements
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
US5016100A (en) * 1988-04-04 1991-05-14 Zenith Electronics Corporation Transmission of a video signal using adaptive delta modulation
NL9001359A (nl) * 1990-06-15 1992-01-02 Philips Nv Elektronische inrichting voor het ontvangen van een gemoduleerd draaggolfsignaal.
JP2525065Y2 (ja) * 1990-12-11 1997-02-05 株式会社カンセイ 防水型電気コネクタ
US5727023A (en) * 1992-10-27 1998-03-10 Ericsson Inc. Apparatus for and method of speech digitizing
US6255866B1 (en) * 1998-05-29 2001-07-03 Tektronix, Inc. Digital phase analyzer and synthesizer
US6885326B2 (en) * 1999-02-04 2005-04-26 Med-El Elektromedizinische Geraeta Gmbh Accumulator for adaptive Σ-Δ modulation
WO2003084074A1 (fr) * 2002-03-28 2003-10-09 Med-El Elektromedizinische Geräte G.M.B.H. Systeme et procede permettant d'obtenir une modulation sigma-delta adaptive
EP2183020B1 (fr) * 2007-08-10 2016-09-28 Med-El Elektromedizinische Geräte GmbH Adaptation des largeurs d'impulsions pour liaisons inductives
WO2021101555A1 (fr) 2019-11-21 2021-05-27 Halliburton Energy Services, Inc. Compression et formatage de données adaptatives de fond de trou

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1444216A (en) * 1975-02-20 1976-07-28 Standard Telephones Cables Ltd D/a converter for pcm
FR2386941A1 (fr) * 1977-04-04 1978-11-03 Trt Telecom Radio Electr Dispositif de traitement d'un signal numerique delta, destine notamment au decodage de ce signal

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904963A (en) * 1969-08-06 1975-09-09 Trt Telecom Radio Electr System for the transmission of analog signals by means of pulse code modulation using non-recursive filters
US3906400A (en) * 1973-12-17 1975-09-16 Adams Russell Co Transfer function realization with one-bit coefficients
NL7400764A (nl) * 1974-01-21 1975-07-23 Philips Nv Digitale inrichting voor het omzetten van ge- comprimeerde delta gemoduleerde signalen in pcm-signalen.
US3922619A (en) * 1974-01-28 1975-11-25 Bell Telephone Labor Inc Compressed differential pulse code modulator
US3916314A (en) * 1974-04-08 1975-10-28 Ibm Non-linear filter for delta modulator output using shift register and table lookup
CA1068822A (fr) * 1974-06-24 1979-12-25 Ching-Long Song Convertisseur numerique-analogique pour systeme de communication
US3949299A (en) * 1974-11-05 1976-04-06 North Electric Company Signal coding for telephone communication system
US4109110A (en) * 1975-02-20 1978-08-22 International Standard Electric Corporation Digital-to-analog converter
US3987288A (en) * 1975-04-22 1976-10-19 The United States Of America As Represented By The Secretary Of The Air Force Time multiplexing hybrid sample data filter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1444216A (en) * 1975-02-20 1976-07-28 Standard Telephones Cables Ltd D/a converter for pcm
FR2386941A1 (fr) * 1977-04-04 1978-11-03 Trt Telecom Radio Electr Dispositif de traitement d'un signal numerique delta, destine notamment au decodage de ce signal

Also Published As

Publication number Publication date
AU4433379A (en) 1979-08-30
DE2906139A1 (de) 1979-08-23
JPS54122965A (en) 1979-09-22
NL7801909A (nl) 1979-08-23
GB2014811B (en) 1982-02-24
GB2014811A (en) 1979-08-30
US4233684A (en) 1980-11-11

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