AR222845A1 - IMPROVEMENT OF PCM CODED DEVICES FOR ANALOG SIGNALS - Google Patents

IMPROVEMENT OF PCM CODED DEVICES FOR ANALOG SIGNALS

Info

Publication number
AR222845A1
AR222845A1 AR279085A AR27908579A AR222845A1 AR 222845 A1 AR222845 A1 AR 222845A1 AR 279085 A AR279085 A AR 279085A AR 27908579 A AR27908579 A AR 27908579A AR 222845 A1 AR222845 A1 AR 222845A1
Authority
AR
Argentina
Prior art keywords
improvement
analog signals
pcm coded
coded devices
devices
Prior art date
Application number
AR279085A
Other languages
Spanish (es)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of AR222845A1 publication Critical patent/AR222845A1/en

Links

Classifications

    • 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
    • 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
    • H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
    • 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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Power Engineering (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AR279085A 1978-12-05 1979-11-29 IMPROVEMENT OF PCM CODED DEVICES FOR ANALOG SIGNALS AR222845A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7847162A GB2064276B (en) 1978-12-05 1978-12-05 Analogue to digital converters

Publications (1)

Publication Number Publication Date
AR222845A1 true AR222845A1 (en) 1981-06-30

Family

ID=10501512

Family Applications (1)

Application Number Title Priority Date Filing Date
AR279085A AR222845A1 (en) 1978-12-05 1979-11-29 IMPROVEMENT OF PCM CODED DEVICES FOR ANALOG SIGNALS

Country Status (12)

Country Link
JP (1) JPS6031411B2 (en)
AR (1) AR222845A1 (en)
AU (1) AU523624B2 (en)
BR (1) BR7907820A (en)
CH (1) CH642206A5 (en)
DE (1) DE2948438A1 (en)
ES (1) ES486610A1 (en)
FR (1) FR2443768A1 (en)
GB (1) GB2064276B (en)
MX (1) MX147431A (en)
NL (1) NL7908741A (en)
NZ (1) NZ192278A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638006A1 (en) * 1986-11-07 1988-05-19 Ant Nachrichtentech METHOD FOR THE DYNAMIC ENLARGEMENT OF A DIGITALLY PROCESSED PCM SIGNAL
JPH02209017A (en) * 1989-02-09 1990-08-20 Matsushita Electric Ind Co Ltd A/d converter
JPH0479523A (en) * 1990-07-20 1992-03-12 Fujitsu Ltd Offset compensation system for pcm channel unit
WO2000007178A1 (en) 1998-07-31 2000-02-10 Conexant Systems, Inc. Method and apparatus for noise elimination through transformation of the output of the speech decoder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904963A (en) * 1969-08-06 1975-09-09 Trt Telecom Radio Electr System for the transmission of analog signals by means of pulse code modulation using non-recursive filters
GB1580447A (en) * 1976-12-01 1980-12-03 Post Office Code converters

Also Published As

Publication number Publication date
AU5324679A (en) 1980-06-12
DE2948438A1 (en) 1980-06-19
ES486610A1 (en) 1980-06-16
JPS5580940A (en) 1980-06-18
NZ192278A (en) 1982-05-25
FR2443768B1 (en) 1985-02-22
CH642206A5 (en) 1984-03-30
AU523624B2 (en) 1982-08-05
BR7907820A (en) 1980-07-29
GB2064276B (en) 1982-09-08
JPS6031411B2 (en) 1985-07-22
FR2443768A1 (en) 1980-07-04
GB2064276A (en) 1981-06-10
NL7908741A (en) 1980-06-09
MX147431A (en) 1982-12-02

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