NO822084L - Fremgangsmaate til aa kode pulsamplitude-modulerte signaler til pulskode-modulerte signaler i henhold til en tilnaermet logaritmisk karakteristikk - Google Patents

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

Info

Publication number
NO822084L
NO822084L NO822084A NO822084A NO822084L NO 822084 L NO822084 L NO 822084L NO 822084 A NO822084 A NO 822084A NO 822084 A NO822084 A NO 822084A NO 822084 L NO822084 L NO 822084L
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
NO159227C (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)
  • Amplifiers (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Dc Digital Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (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 true NO822084L (no) 1983-01-14
NO159227B NO159227B (no) 1988-08-29
NO159227C 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
AU529672B2 (en) 1983-06-16
DE3127600A1 (de) 1983-01-27
GR76190B (no) 1984-08-03
US4492953A (en) 1985-01-08
CA1194599A (en) 1985-10-01
EP0070009A3 (en) 1984-04-04
AU8590882A (en) 1983-01-20
ATE19569T1 (de) 1986-05-15
EP0070009B1 (de) 1986-04-30
NO159227C (no) 1988-12-07
DE3270855D1 (en) 1986-06-05
EP0070009A2 (de) 1983-01-19
YU153282A (en) 1985-04-30
BR8204042A (pt) 1983-07-05

Similar Documents

Publication Publication Date Title
ES8707045A1 (es) Procedimiento para la transmision de una audiosenal
KR880001117A (ko) 오디오 신호의 전송방법
JPS5129808A (no)
DE3366134D1 (en) Polymers of vinylene carbonate, process for their preparation and their use
ES8608756A1 (es) Un detector de perturbacion para detectar impulsos de per- turbacion en una senal no limitada de radio-rrecepcion
NO159227C (no) Fremgangsmaate til aa kode pulsamplitude-modulerte signalertil pulskode-modulerte signaler i henhold til en tilnaermet logaritmisk karakteristikk.
ES543131A0 (es) Un metodo de caracterizar una senal portadora modulada
EP0206264A3 (en) Expanded partial response processing for analog signal enciphering and the like
JPS545455A (en) Simultaneous multibeam light modulating system
SE7902607L (sv) Tonavkodningskrets
JPS5612144A (en) Dither
ATE7991T1 (de) Verfahren zur codierung von analogsignalen.
KR860000753A (ko) 신호 변환 장치 및 그 방법
JPS5257876A (en) Fruit flaw identifying apparatus
SU808331A1 (ru) Способ изготовлени плит изВиНОгРАдНОй лОзы
SU138275A1 (ru) Способ подавлени перекрестных помех
KR900002535A (ko) A-d 변환기를 이용한 진폭변조방식
GB1489743A (en) Telecommunication system networks
JPS5391651A (en) Digital amplitude modulator
FI843303A (fi) Koppling foer analog/digital-omvandling av en faergtelevisionssignal.
ES498588A0 (es) Procedimiento para la obtencion de 1,1-codimeros de diciclo-pentadieno y butadieno-1,3
JPS52149012A (en) Dial pulse repeating system for pcm telephone exchange
HARTMAN et al. Voice performance measurements[Final Report]
JPS5590154A (en) Timing regenerating circuit
ES418744A1 (es) Un sistema de transmision de informacion por modulacion en codigo de impulsos.