NL8105196A - Differentieel pulscode modulatie overdrachtstelsel. - Google Patents

Differentieel pulscode modulatie overdrachtstelsel. Download PDF

Info

Publication number
NL8105196A
NL8105196A NL8105196A NL8105196A NL8105196A NL 8105196 A NL8105196 A NL 8105196A NL 8105196 A NL8105196 A NL 8105196A NL 8105196 A NL8105196 A NL 8105196A NL 8105196 A NL8105196 A NL 8105196A
Authority
NL
Netherlands
Prior art keywords
signal
prediction
input
circuit
channel
Prior art date
Application number
NL8105196A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL8105196A priority Critical patent/NL8105196A/nl
Priority to US06/434,982 priority patent/US4481644A/en
Priority to CA000415485A priority patent/CA1193734A/en
Priority to AU90478/82A priority patent/AU552686B2/en
Priority to EP82201438A priority patent/EP0079658B1/de
Priority to AT82201438T priority patent/ATE22514T1/de
Priority to DE8282201438T priority patent/DE3273485D1/de
Priority to JP57200487A priority patent/JPS58125928A/ja
Publication of NL8105196A publication Critical patent/NL8105196A/nl

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]

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)
  • Train Traffic Observation, Control, And Security (AREA)
  • Transmitters (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Amplifiers (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NL8105196A 1981-11-17 1981-11-17 Differentieel pulscode modulatie overdrachtstelsel. NL8105196A (nl)

Priority Applications (8)

Application Number Priority Date Filing Date Title
NL8105196A NL8105196A (nl) 1981-11-17 1981-11-17 Differentieel pulscode modulatie overdrachtstelsel.
US06/434,982 US4481644A (en) 1981-11-17 1982-10-18 Differential pulse code modulation transmission system
CA000415485A CA1193734A (en) 1981-11-17 1982-11-12 Differential pulse code modulation transmission system
AU90478/82A AU552686B2 (en) 1981-11-17 1982-11-15 D p c m transmission system
EP82201438A EP0079658B1 (de) 1981-11-17 1982-11-15 Differenzpulskodemodulationsübertragungssystem
AT82201438T ATE22514T1 (de) 1981-11-17 1982-11-15 Differenzpulskodemodulationsuebertragungssystem.
DE8282201438T DE3273485D1 (en) 1981-11-17 1982-11-15 Differential pulse code modulation transmission system
JP57200487A JPS58125928A (ja) 1981-11-17 1982-11-17 差分パルス符号変調伝送装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8105196 1981-11-17
NL8105196A NL8105196A (nl) 1981-11-17 1981-11-17 Differentieel pulscode modulatie overdrachtstelsel.

Publications (1)

Publication Number Publication Date
NL8105196A true NL8105196A (nl) 1983-06-16

Family

ID=19838392

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8105196A NL8105196A (nl) 1981-11-17 1981-11-17 Differentieel pulscode modulatie overdrachtstelsel.

Country Status (8)

Country Link
US (1) US4481644A (de)
EP (1) EP0079658B1 (de)
JP (1) JPS58125928A (de)
AT (1) ATE22514T1 (de)
AU (1) AU552686B2 (de)
CA (1) CA1193734A (de)
DE (1) DE3273485D1 (de)
NL (1) NL8105196A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8203950A (nl) * 1982-10-13 1984-05-01 Philips Nv Differentieel pulscodemodulatie overdrachtstelsel.
AU570439B2 (en) * 1983-03-28 1988-03-17 Compression Labs, Inc. A combined intraframe and interframe transform coding system
AU572556B2 (en) * 1983-10-07 1988-05-12 Dolby Laboratories Licensing Corporation A/d encoder and decoder
NL8303567A (nl) * 1983-10-17 1985-05-17 Philips Nv Inrichting voor het weergeven van videosignalen.
GB2189106B (en) * 1986-04-14 1990-02-14 Philips Electronic Associated Image display

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354267A (en) * 1965-01-13 1967-11-21 Bell Telephone Labor Inc Differential pcm system employing digital integration
CA1085044A (en) * 1975-04-03 1980-09-02 Yukihiko Iijima Composite feedback predictive code communication system for a color tv signal including a carrier chrominance signal
JPS5550738A (en) * 1978-10-05 1980-04-12 Nec Corp Decoding method of adaptability forecasting type differential pulse code and its unit
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
US4255763A (en) * 1979-12-26 1981-03-10 Bell Telephone Laboratories, Incorporated Technique for reducing transmission error propagation in an adaptively predicted DPCM video encoder

Also Published As

Publication number Publication date
JPH0245855B2 (de) 1990-10-12
CA1193734A (en) 1985-09-17
DE3273485D1 (en) 1986-10-30
EP0079658B1 (de) 1986-09-24
ATE22514T1 (de) 1986-10-15
US4481644A (en) 1984-11-06
JPS58125928A (ja) 1983-07-27
AU552686B2 (en) 1986-06-12
AU9047882A (en) 1983-05-26
EP0079658A1 (de) 1983-05-25

Similar Documents

Publication Publication Date Title
US2605361A (en) Differential quantization of communication signals
US4866510A (en) Digital video encoder
US3754237A (en) Communication system using binary to multi-level and multi-level to binary coded pulse conversion
US3683120A (en) Pcm data transmission system
US3825831A (en) Differential pulse code modulation apparatus
US4491953A (en) Dual mode coding
US4411001A (en) Differential pulse code modulation transmission system
Candy et al. A per-channel A/D converter having 15-segment µ-255 companding
US4639778A (en) Embedding quantization system for vector signals
NL8105196A (nl) Differentieel pulscode modulatie overdrachtstelsel.
CA1171966A (en) Analog-to-digital converting circuit
US4129882A (en) Video coder for color signals
US3526855A (en) Pulse code modulation and differential pulse code modulation encoders
JP2948024B2 (ja) 波形符号化／復号化方法及びその装置
US3354267A (en) Differential pcm system employing digital integration
US5043809A (en) Encoding apparatus
US4885637A (en) Encoder
US4905002A (en) Delta modulation encoder/decoder method and system
US3550004A (en) Feedback coders using weighted code companding on strings of equal bits
US4684983A (en) Non-linear processor for reducing the dynamic range of a digitized error signal
Abou Haidar et al. A comparative simulation study of the real effect of PCM, DM and DPCM systems on audio and image modulation
NL8803152A (nl) Prediktieve kodeer- en dekodeerschakeling voor beeldelementwaarden.
GB2038143A (en) Circuit arrangements for converting binary digital signals to pseudo-ternary alternating pulses
US4792794A (en) Differential pulse code modulation system with neutralization of direct current information
Bruggemann Ultrafast feedback A/D conversion made possible by a nonuniform error quantizer

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed