BR7907820A - Arranjo de codificacao pcm - Google Patents

Arranjo de codificacao pcm

Info

Publication number
BR7907820A
BR7907820A BR7907820A BR7907820A BR7907820A BR 7907820 A BR7907820 A BR 7907820A BR 7907820 A BR7907820 A BR 7907820A BR 7907820 A BR7907820 A BR 7907820A BR 7907820 A BR7907820 A BR 7907820A
Authority
BR
Brazil
Prior art keywords
pcm coding
coding arrangement
arrangement
pcm
coding
Prior art date
Application number
BR7907820A
Other languages
English (en)
Inventor
M Gingell
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
Publication of BR7907820A publication Critical patent/BR7907820A/pt

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)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
BR7907820A 1978-12-05 1979-11-30 Arranjo de codificacao pcm BR7907820A (pt)

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
BR7907820A true BR7907820A (pt) 1980-07-29

Family

ID=10501512

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7907820A BR7907820A (pt) 1978-12-05 1979-11-30 Arranjo de codificacao pcm

Country Status (12)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638006A1 (de) * 1986-11-07 1988-05-19 Ant Nachrichtentech Verfahren zur dynamikvergroesserung eines digital verarbeiteten pcm-signales
JPH02209017A (ja) * 1989-02-09 1990-08-20 Matsushita Electric Ind Co Ltd Ａ／ｄ変換装置
JPH0479523A (ja) * 1990-07-20 1992-03-12 Fujitsu Ltd Ｐｃｍチャネルユニットのオフセット補償方式
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
AU523624B2 (en) 1982-08-05
NZ192278A (en) 1982-05-25
NL7908741A (nl) 1980-06-09
AR222845A1 (es) 1981-06-30
AU5324679A (en) 1980-06-12
JPS6031411B2 (ja) 1985-07-22
JPS5580940A (en) 1980-06-18
FR2443768A1 (fr) 1980-07-04
CH642206A5 (en) 1984-03-30
ES486610A1 (es) 1980-06-16
GB2064276A (en) 1981-06-10
MX147431A (es) 1982-12-02
GB2064276B (en) 1982-09-08
FR2443768B1 (pt) 1985-02-22
DE2948438A1 (de) 1980-06-19

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