CA1032611A - Transmission system including a transmitter and a receiver for transmitting information signals by means of a pulse code - Google Patents

Transmission system including a transmitter and a receiver for transmitting information signals by means of a pulse code

Info

Publication number
CA1032611A
CA1032611A CA208,331A CA208331A CA1032611A CA 1032611 A CA1032611 A CA 1032611A CA 208331 A CA208331 A CA 208331A CA 1032611 A CA1032611 A CA 1032611A
Authority
CA
Canada
Prior art keywords
transmitter
receiver
transmission system
system including
transmitting information
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
Application number
CA208,331A
Other languages
English (en)
French (fr)
Other versions
CA208331S (en
Inventor
Walter Widmer
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
Application granted granted Critical
Publication of CA1032611A publication Critical patent/CA1032611A/en
Expired 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
    • H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
    • H03M3/042—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM] with adaptable step size, e.g. adaptive differential pulse code modulation [ADPCM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CA208,331A 1973-09-03 1974-09-03 Transmission system including a transmitter and a receiver for transmitting information signals by means of a pulse code Expired CA1032611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7312104.A NL165014C (nl) 1973-09-03 1973-09-03 Transmissiestelsel met een zender en een ontvanger voor het met behulp van een pulscode overdragen van informatiesignalen.

Publications (1)

Publication Number Publication Date
CA1032611A true CA1032611A (en) 1978-06-06

Family

ID=19819512

Family Applications (1)

Application Number Title Priority Date Filing Date
CA208,331A Expired CA1032611A (en) 1973-09-03 1974-09-03 Transmission system including a transmitter and a receiver for transmitting information signals by means of a pulse code

Country Status (8)

Country Link
US (1) US3973199A (sv)
JP (1) JPS5333401B2 (sv)
CA (1) CA1032611A (sv)
DE (1) DE2441879C3 (sv)
FR (1) FR2242819B1 (sv)
GB (1) GB1454932A (sv)
NL (1) NL165014C (sv)
SE (1) SE393721B (sv)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL174611C (nl) * 1975-06-12 1984-07-02 Philips Nv Differentieel pulscodemodulatie overdrachtstelsel.
US4199722A (en) * 1976-06-30 1980-04-22 Israel Paz Tri-state delta modulator
US4070709A (en) * 1976-10-13 1978-01-24 The United States Of America As Represented By The Secretary Of The Air Force Piecewise linear predictive coding system
US4125861A (en) * 1977-08-18 1978-11-14 Bell Telephone Laboratories, Incorporated Video signal encoding
FR2441971A1 (fr) * 1978-11-17 1980-06-13 Trt Telecom Radio Electr Systeme de transmission utilisant la modulation differentielle par codage d'impulsions
FR2442551A1 (fr) * 1978-11-27 1980-06-20 Soumagne Joel Methode et moyens de codage numerique differentiel avec commutation de code automatique
FR2445074A1 (fr) * 1978-12-21 1980-07-18 Soumagne Joel Predicteur pour codeur et decodeur numerique differentiel de signaux
FR2445660A1 (fr) * 1978-12-28 1980-07-25 Pissard Andre Procede et circuit de transmission de type mic differentiel a prediction adaptive, utilisant un filtrage par sous-bandes et une analyse spectrale
FR2451676A1 (fr) * 1979-03-12 1980-10-10 Soumagne Joel Detecteur d'echo notamment pour systeme de communication a interpolation de parole
US4354273A (en) * 1979-06-12 1982-10-12 Nippon Electric Company, Ltd. ADPCM System for speech or like signals
NL190093C (nl) * 1979-12-17 1993-10-18 Victor Company Of Japan Comprimeer- en expandeerstelsel.
US4509150A (en) * 1980-12-31 1985-04-02 Mobil Oil Corporation Linear prediction coding for compressing of seismic data
FR2515901A1 (fr) * 1981-11-04 1983-05-06 Trt Telecom Radio Electr Systeme de transmission mic-differentiel avec prediction adaptative
US4437087A (en) * 1982-01-27 1984-03-13 Bell Telephone Laboratories, Incorporated Adaptive differential PCM coding
US4554670A (en) * 1982-04-14 1985-11-19 Nec Corporation System and method for ADPCM transmission of speech or like signals
US4470146A (en) * 1982-04-30 1984-09-04 Communications Satellite Corporation Adaptive quantizer with instantaneous error robustness
US4536846A (en) * 1982-09-20 1985-08-20 Rca Corporation Distortion reducer for companded analog systems
NL8203950A (nl) * 1982-10-13 1984-05-01 Philips Nv Differentieel pulscodemodulatie overdrachtstelsel.
US4621172A (en) * 1982-12-22 1986-11-04 Nec Corporation Fast convergence method and system for echo canceller
JPS59115640A (ja) * 1982-12-22 1984-07-04 Nec Corp 秘話信号伝送方式
US4516241A (en) * 1983-07-11 1985-05-07 At&T Bell Laboratories Bit compression coding with embedded signaling
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
US4536741A (en) * 1983-11-16 1985-08-20 At&T Bell Laboratories Digital quantizer
US4716453A (en) * 1985-06-20 1987-12-29 At&T Bell Laboratories Digital video transmission system
US4726037A (en) * 1986-03-26 1988-02-16 American Telephone And Telegraph Company, At&T Bell Laboratories Predictive communication system filtering arrangement
US4933675A (en) * 1987-03-19 1990-06-12 Beard Terry D Audio digital/analog encoding and decoding
US4862168A (en) * 1987-03-19 1989-08-29 Beard Terry D Audio digital/analog encoding and decoding
US4882585A (en) * 1988-03-17 1989-11-21 Beard Terry D Method and apparatus for high resolution analog-digital-analog transformations
US7225135B2 (en) * 2002-04-05 2007-05-29 Lectrosonics, Inc. Signal-predictive audio transmission system
US10069519B1 (en) * 2018-01-23 2018-09-04 Mitsubishi Electric Research Laboratories, Inc. Partition based distribution matcher for probabilistic constellation shaping

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1208774A (en) * 1967-02-10 1970-10-14 Mini Of Technology Improvements in or relating to delta-modulation telecommunications apparatus
US3502986A (en) * 1967-12-14 1970-03-24 Bell Telephone Labor Inc Adaptive prediction for redundancy removal in data transmission systems
NL7102557A (sv) * 1971-02-26 1972-08-29
US3831092A (en) * 1971-04-13 1974-08-20 Philips Corp Transmitter for the transmission of signals by pulse code modulation
US3729678A (en) * 1971-07-20 1973-04-24 Philips Corp Pcm system including a pulse pattern analyzer
NL155997B (nl) * 1972-06-24 1978-02-15 Philips Nv Overdrachtsstelsel.

Also Published As

Publication number Publication date
US3973199A (en) 1976-08-03
DE2441879C3 (de) 1980-06-12
FR2242819B1 (sv) 1980-05-16
GB1454932A (en) 1976-11-10
JPS5333401B2 (sv) 1978-09-13
FR2242819A1 (sv) 1975-03-28
AU7283474A (en) 1976-03-04
NL165014B (nl) 1980-09-15
DE2441879B2 (de) 1979-09-27
SE7410977L (sv) 1975-03-04
JPS5056106A (sv) 1975-05-16
NL7312104A (nl) 1975-03-05
SE393721B (sv) 1977-05-16
DE2441879A1 (de) 1975-03-13
NL165014C (nl) 1981-02-16

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