BE874282A - Dispositif de filtrage numerique destine a des signaux modules par impulsions codees a quantification non uniforme - Google Patents

Dispositif de filtrage numerique destine a des signaux modules par impulsions codees a quantification non uniforme

Info

Publication number
BE874282A
BE874282A BE0/193557A BE193557A BE874282A BE 874282 A BE874282 A BE 874282A BE 0/193557 A BE0/193557 A BE 0/193557A BE 193557 A BE193557 A BE 193557A BE 874282 A BE874282 A BE 874282A
Authority
BE
Belgium
Prior art keywords
filtering device
modulated signals
digital filtering
device intended
code modulated
Prior art date
Application number
BE0/193557A
Other languages
English (en)
French (fr)
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
Publication of BE874282A publication Critical patent/BE874282A/xx

Links

Classifications

    • 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
    • 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
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • H04B14/048—Non linear compression or expansion

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Complex Calculations (AREA)
BE0/193557A 1978-02-20 1979-02-19 Dispositif de filtrage numerique destine a des signaux modules par impulsions codees a quantification non uniforme BE874282A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7801866A NL7801866A (nl) 1978-02-20 1978-02-20 Digitale filterinrichting voor niet-uniform gekwantiseerde pcm.

Publications (1)

Publication Number Publication Date
BE874282A true BE874282A (fr) 1979-08-20

Family

ID=19830356

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/193557A BE874282A (fr) 1978-02-20 1979-02-19 Dispositif de filtrage numerique destine a des signaux modules par impulsions codees a quantification non uniforme

Country Status (10)

Country Link
US (1) US4231101A (US07709020-20100504-C00041.png)
JP (1) JPS54122952A (US07709020-20100504-C00041.png)
AU (1) AU4433179A (US07709020-20100504-C00041.png)
BE (1) BE874282A (US07709020-20100504-C00041.png)
CA (1) CA1114460A (US07709020-20100504-C00041.png)
DE (1) DE2906156A1 (US07709020-20100504-C00041.png)
FR (1) FR2417896A1 (US07709020-20100504-C00041.png)
GB (1) GB2014817B (US07709020-20100504-C00041.png)
NL (1) NL7801866A (US07709020-20100504-C00041.png)
SE (1) SE429080B (US07709020-20100504-C00041.png)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3028734A1 (de) * 1980-07-29 1982-03-04 Siemens AG, 1000 Berlin und 8000 München Verfahren zur umwandlung von positiven linear codierten digitalen signalen sowie deren zweierkomplement in nichtlinear codierte digitale signale gemaess einer der a-gesetz gehorchenden mehrfachsegmentkennlinie
US4343759A (en) * 1980-10-10 1982-08-10 Bell Telephone Laboratories, Incorporated Equalizer section
JPS5846751A (ja) * 1981-09-11 1983-03-18 Sony Corp Ｚ値符号変調方法及び記録媒体
DE3144456A1 (de) * 1981-11-09 1983-05-19 Siemens AG, 1000 Berlin und 8000 München Transversalfilter zur umformung digitaler signale
JPS58144970A (ja) * 1982-02-23 1983-08-29 Toshiba Corp 演算装置
JPS59220879A (ja) * 1983-05-30 1984-12-12 Sony Corp デイジタル信号処理装置
US4691293A (en) * 1984-12-28 1987-09-01 Ford Aerospace & Communications Corporation High frequency, wide range FIR filter
DE69223508T2 (de) * 1992-07-10 1998-06-25 Ibm Dezimationsfilter für einen Sigma-Delta-Wandler und A/D-Wandler mit einem solchen Filter
DE4315947C2 (de) * 1993-05-12 1995-11-16 Siemens Ag Anordnung zur Signalübertragung zwischen einer Audioeinrichtung und einer Fernsprecheinrichtung
DE19512578C2 (de) * 1995-04-03 1997-04-17 Grosenhainer Textilmaschbau Verfahren zum Trennen von Vorgarnlunten vor dem Abziehen von Spulen an Vorspinnmaschinen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2131635A1 (de) * 1970-09-15 1972-03-16 It Telecommunicazioni Siemens Digitale Komprimierschaltung
BE792988A (fr) * 1971-12-22 1973-04-16 Western Electric Co Dispositif numerique
US3766546A (en) * 1972-04-21 1973-10-16 Bell Telephone Labor Inc Converter for segment companded pcm codes
NL176124C (nl) * 1974-06-17 1985-02-18 Philips Nv Digitaal filter met vereenvoudigde vermenigvuldiginrichting.
NL7506141A (nl) * 1975-05-26 1976-11-30 Philips Nv Digitaal filter.
NL178469C (nl) * 1976-07-06 1986-03-17 Philips Nv Niet-recursief discreet filter.

Also Published As

Publication number Publication date
DE2906156A1 (de) 1979-08-23
AU4433179A (en) 1979-08-30
GB2014817A (en) 1979-08-30
FR2417896A1 (fr) 1979-09-14
US4231101A (en) 1980-10-28
SE429080B (sv) 1983-08-08
JPS54122952A (en) 1979-09-22
GB2014817B (en) 1982-03-24
FR2417896B1 (US07709020-20100504-C00041.png) 1984-06-29
CA1114460A (en) 1981-12-15
JPS6346608B2 (US07709020-20100504-C00041.png) 1988-09-16
DE2906156C2 (US07709020-20100504-C00041.png) 1987-01-02
NL7801866A (nl) 1979-08-22
SE7901379L (sv) 1979-08-21

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: N.V. PHILIPS GLOEILAMPENFABRIEKEN

Effective date: 19890228