NO159227C - Fremgangsmaate til aa kode pulsamplitude-modulerte signalertil pulskode-modulerte signaler i henhold til en tilnaermet logaritmisk karakteristikk. - Google Patents

Fremgangsmaate til aa kode pulsamplitude-modulerte signalertil pulskode-modulerte signaler i henhold til en tilnaermet logaritmisk karakteristikk.

Info

Publication number
NO159227C
NO159227C NO822084A NO822084A NO159227C NO 159227 C NO159227 C NO 159227C NO 822084 A NO822084 A NO 822084A NO 822084 A NO822084 A NO 822084A NO 159227 C NO159227 C NO 159227C
Authority
NO
Norway
Prior art keywords
modulated signals
code
pulse
procedure
characteristic curve
Prior art date
Application number
NO822084A
Other languages
English (en)
Other versions
NO159227B (no
NO822084L (no
Inventor
Max Rathgeber
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of NO822084L publication Critical patent/NO822084L/no
Publication of NO159227B publication Critical patent/NO159227B/no
Publication of NO159227C publication Critical patent/NO159227C/no

Links

Classifications

    • 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)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Amplifiers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
NO822084A 1981-07-13 1982-06-22 Fremgangsmaate til aa kode pulsamplitude-modulerte signalertil pulskode-modulerte signaler i henhold til en tilnaermet logaritmisk karakteristikk. NO159227C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813127600 DE3127600A1 (de) 1981-07-13 1981-07-13 Verfahren zur codierung von pulsamplitudenmodulierten signalen in pulscodemodulierte signale nach einer angenaeherten logarithmischen kennlinie

Publications (3)

Publication Number Publication Date
NO822084L NO822084L (no) 1983-01-14
NO159227B NO159227B (no) 1988-08-29
NO159227C true NO159227C (no) 1988-12-07

Family

ID=6136775

Family Applications (1)

Application Number Title Priority Date Filing Date
NO822084A NO159227C (no) 1981-07-13 1982-06-22 Fremgangsmaate til aa kode pulsamplitude-modulerte signalertil pulskode-modulerte signaler i henhold til en tilnaermet logaritmisk karakteristikk.

Country Status (10)

Country Link
US (1) US4492953A (no)
EP (1) EP0070009B1 (no)
AT (1) ATE19569T1 (no)
AU (1) AU529672B2 (no)
BR (1) BR8204042A (no)
CA (1) CA1194599A (no)
DE (2) DE3127600A1 (no)
GR (1) GR76190B (no)
NO (1) NO159227C (no)
YU (1) YU153282A (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5991278A (en) 1996-08-13 1999-11-23 Telogy Networks, Inc. Asymmetric modem communications system and method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH464290A (de) * 1967-09-26 1968-10-31 Siemens Ag Albis Verfahren und Einrichtung zur Codierung von pulsamplitudenmodulierten Signalen in Puls-Code-Modulationsanlagen
FR2376562A1 (fr) * 1977-01-04 1978-07-28 Europ Teletransmission Dispositif de codage d'un signal analogique suivant une loi quasi-logarithmique de base 2

Also Published As

Publication number Publication date
NO159227B (no) 1988-08-29
EP0070009A2 (de) 1983-01-19
EP0070009B1 (de) 1986-04-30
BR8204042A (pt) 1983-07-05
DE3127600A1 (de) 1983-01-27
EP0070009A3 (en) 1984-04-04
NO822084L (no) 1983-01-14
AU8590882A (en) 1983-01-20
AU529672B2 (en) 1983-06-16
CA1194599A (en) 1985-10-01
US4492953A (en) 1985-01-08
ATE19569T1 (de) 1986-05-15
GR76190B (no) 1984-08-03
YU153282A (en) 1985-04-30
DE3270855D1 (en) 1986-06-05

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