BE764077A - Emetteur servant a la transmission de signaux analogiques au moyen de la modulation par codage d'impulsions - Google Patents

Emetteur servant a la transmission de signaux analogiques au moyen de la modulation par codage d'impulsions

Info

Publication number
BE764077A
BE764077A BE764077A BE764077A BE764077A BE 764077 A BE764077 A BE 764077A BE 764077 A BE764077 A BE 764077A BE 764077 A BE764077 A BE 764077A BE 764077 A BE764077 A BE 764077A
Authority
BE
Belgium
Prior art keywords
transmitter
transmission
coding modulation
analogue signals
pulse coding
Prior art date
Application number
BE764077A
Other languages
English (en)
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 BE764077A publication Critical patent/BE764077A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0675—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
BE764077A 1970-03-12 1971-03-10 Emetteur servant a la transmission de signaux analogiques au moyen de la modulation par codage d'impulsions BE764077A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7003510.A NL164716C (nl) 1970-03-12 1970-03-12 Niet-lineaire analoog-digitaalomzetter.

Publications (1)

Publication Number Publication Date
BE764077A true BE764077A (fr) 1971-09-10

Family

ID=19809557

Family Applications (1)

Application Number Title Priority Date Filing Date
BE764077A BE764077A (fr) 1970-03-12 1971-03-10 Emetteur servant a la transmission de signaux analogiques au moyen de la modulation par codage d'impulsions

Country Status (11)

Country Link
US (1) US3823376A (fr)
JP (1) JPS5233462B1 (fr)
AT (1) AT334420B (fr)
BE (1) BE764077A (fr)
CA (1) CA929605A (fr)
DE (1) DE2110033C3 (fr)
DK (1) DK131838C (fr)
FR (1) FR2081877B1 (fr)
GB (1) GB1348277A (fr)
NL (1) NL164716C (fr)
SE (1) SE368652B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2659512B1 (de) * 1976-12-30 1978-05-24 Wandel & Goltermann Verfahren und Schaltungsanordnung zum Erzeugen eines Digitalsignals zum Pruefen einer PCM-Endstelle
JPS5567767U (fr) * 1978-11-04 1980-05-09
JPS5567768U (fr) * 1978-11-04 1980-05-09
US4700361A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation Spectral emphasis and de-emphasis
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
US4583237A (en) * 1984-05-07 1986-04-15 At&T Bell Laboratories Technique for synchronous near-instantaneous coding
GB2245443B (en) * 1990-06-22 1994-05-25 Philips Electronic Associated Signal digitiser
FR2691861A1 (fr) * 1992-05-26 1993-12-03 Thomson Csf Dispositif de limitation de signaux d'entrée d'un convertisseur analogique-numérique.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1454574A (fr) * 1965-10-22 1966-02-11 Siemens Ag Modulateur par impulsions codées
US3478170A (en) * 1965-10-22 1969-11-11 Siemens Ag Modulation system for converting analogue signals to a pulse amplitude to pulse width to a binary output
NL6809800A (fr) * 1968-07-11 1970-01-13
FR1587806A (fr) * 1968-10-03 1970-03-27

Also Published As

Publication number Publication date
FR2081877B1 (fr) 1974-10-31
SE368652B (fr) 1974-07-08
DK131838B (da) 1975-09-08
US3823376A (en) 1974-07-09
NL7003510A (fr) 1971-09-14
CA929605A (en) 1973-07-03
JPS5233462B1 (fr) 1977-08-29
FR2081877A1 (fr) 1971-12-10
NL164716C (nl) 1981-01-15
DE2110033C3 (de) 1979-03-01
GB1348277A (en) 1974-03-13
DE2110033B2 (de) 1978-06-29
DK131838C (da) 1976-03-15
AT334420B (de) 1976-01-10
ATA202271A (de) 1976-05-15
DE2110033A1 (de) 1971-10-07
NL164716B (nl) 1980-08-15

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