ES366643A2 - Decodificador y codificador con una curva logaritmica. - Google Patents

Decodificador y codificador con una curva logaritmica.

Info

Publication number
ES366643A2
ES366643A2 ES366643A ES366643A ES366643A2 ES 366643 A2 ES366643 A2 ES 366643A2 ES 366643 A ES366643 A ES 366643A ES 366643 A ES366643 A ES 366643A ES 366643 A2 ES366643 A2 ES 366643A2
Authority
ES
Spain
Prior art keywords
isn
isp
bit
leads
switches
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES366643A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES366643A2 publication Critical patent/ES366643A2/es
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • 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
    • H03M1/50—Analogue/digital converters with intermediate conversion to time interval

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
ES366643A 1968-04-30 1969-04-29 Decodificador y codificador con una curva logaritmica. Expired ES366643A2 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR150085 1968-04-30

Publications (1)

Publication Number Publication Date
ES366643A2 true ES366643A2 (es) 1971-03-16

Family

ID=8649639

Family Applications (1)

Application Number Title Priority Date Filing Date
ES366643A Expired ES366643A2 (es) 1968-04-30 1969-04-29 Decodificador y codificador con una curva logaritmica.

Country Status (8)

Country Link
US (1) US3579232A (es)
BE (1) BE732320A (es)
CH (1) CH498524A (es)
ES (1) ES366643A2 (es)
FR (1) FR1577433A (es)
GB (1) GB1259359A (es)
NL (1) NL6906644A (es)
SE (1) SE340294B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893102A (en) * 1973-11-02 1975-07-01 Bell Telephone Labor Inc Digital-to-analog converter using differently decoded bit groups
US4006475A (en) * 1973-12-04 1977-02-01 Bell Telephone Laboratories, Incorporated Digital-to-analog converter with digitally distributed amplitude supplement
US3987436A (en) * 1975-05-01 1976-10-19 Bell Telephone Laboratories, Incorporated Digital-to-analog decoder utilizing time interpolation and reversible accumulation
US4177457A (en) * 1977-12-12 1979-12-04 Texaco Inc. Floating point playback system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3296611A (en) * 1962-10-11 1967-01-03 Nippon Electric Co Decoding circuit with non-linear companding characteristics
GB1039342A (en) * 1963-04-17 1966-08-17 Standard Telephones Cables Ltd Improvements in or relating to decoding equipment
FR1357668A (fr) * 1963-02-04 1964-04-10 Labo Cent Telecommunicat Perfectionnements aux dispositifs de codage et de décodage non linéaires
US3310799A (en) * 1963-04-12 1967-03-21 Nippon Electric Co Non-linear digital to analogue converter
NL6409481A (es) * 1963-08-26 1965-03-01
US3366947A (en) * 1964-01-08 1968-01-30 Fujitsu Ltd Non-linear pcm decoder
US3377586A (en) * 1964-03-12 1968-04-09 Nippon Electric Co Decoder with bipolar-hyperbolic companding characteristics

Also Published As

Publication number Publication date
BE732320A (es) 1969-10-30
GB1259359A (es) 1972-01-05
SE340294B (es) 1971-11-15
CH498524A (fr) 1970-10-31
US3579232A (en) 1971-05-18
NL6906644A (es) 1969-11-03
FR1577433A (es) 1969-08-08

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Legal Events

Date Code Title Description
FD2A Announcement of lapse in spain

Effective date: 20170630