BE815408A - Dispositif de conversion des echantillons pcm d'un signal d'information en groupes de code d'impulsions qui caracterisent les variations de la grandeur instantanee du signal d'information - Google Patents

Dispositif de conversion des echantillons pcm d'un signal d'information en groupes de code d'impulsions qui caracterisent les variations de la grandeur instantanee du signal d'information

Info

Publication number
BE815408A
BE815408A BE144635A BE144635A BE815408A BE 815408 A BE815408 A BE 815408A BE 144635 A BE144635 A BE 144635A BE 144635 A BE144635 A BE 144635A BE 815408 A BE815408 A BE 815408A
Authority
BE
Belgium
Prior art keywords
information signal
characterize
variations
pulse code
code groups
Prior art date
Application number
BE144635A
Other languages
English (en)
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 filed Critical
Publication of BE815408A publication Critical patent/BE815408A/fr

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
    • H03M7/3048—Conversion to or from one-bit differential modulation only, e.g. delta modulation [DM]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0614—Non-recursive filters using Delta-modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/065—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer
    • H03H17/0657—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being integer where the output-delivery frequency is higher than the input sampling frequency, i.e. interpolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
BE144635A 1973-05-24 1974-05-22 Dispositif de conversion des echantillons pcm d'un signal d'information en groupes de code d'impulsions qui caracterisent les variations de la grandeur instantanee du signal d'information BE815408A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7307237A NL7307237A (fr) 1973-05-24 1973-05-24

Publications (1)

Publication Number Publication Date
BE815408A true BE815408A (fr) 1974-11-22

Family

ID=19818935

Family Applications (1)

Application Number Title Priority Date Filing Date
BE144635A BE815408A (fr) 1973-05-24 1974-05-22 Dispositif de conversion des echantillons pcm d'un signal d'information en groupes de code d'impulsions qui caracterisent les variations de la grandeur instantanee du signal d'information

Country Status (8)

Country Link
JP (1) JPS5042774A (fr)
BE (1) BE815408A (fr)
CA (1) CA1023864A (fr)
DK (1) DK135019B (fr)
FR (1) FR2231158B1 (fr)
GB (1) GB1455733A (fr)
NL (1) NL7307237A (fr)
SE (1) SE388520B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL176211C (nl) * 1974-09-16 1985-03-01 Philips Nv Interpolerend digitaal filter.
FR2326823A1 (fr) * 1975-10-02 1977-04-29 Tech Electro Fse Procede et dispositif pour le traitement de trames de reception dans une chaine de parole d'une unite de raccordement d'abonnes dans un central de telecommunications
GB2133238A (en) * 1982-12-10 1984-07-18 Marconi Co Ltd Coder/decoder arrangements
JPS6354827A (ja) * 1986-08-26 1988-03-09 Sony Corp 差分ｐｃｍ信号形成回路

Also Published As

Publication number Publication date
DE2422926B2 (de) 1977-03-17
NL7307237A (fr) 1974-11-26
JPS5042774A (fr) 1975-04-18
DK277674A (fr) 1975-01-13
DK135019B (da) 1977-02-21
DK135019C (fr) 1977-07-11
FR2231158A1 (fr) 1974-12-20
FR2231158B1 (fr) 1979-03-09
CA1023864A (fr) 1978-01-03
AU6912874A (en) 1975-11-20
SE388520B (sv) 1976-10-04
DE2422926A1 (de) 1974-12-12
GB1455733A (en) 1976-11-17

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