SE7500483L - - Google Patents

Info

Publication number
SE7500483L
SE7500483L SE7500483A SE7500483A SE7500483L SE 7500483 L SE7500483 L SE 7500483L SE 7500483 A SE7500483 A SE 7500483A SE 7500483 A SE7500483 A SE 7500483A SE 7500483 L SE7500483 L SE 7500483L
Authority
SE
Sweden
Prior art keywords
code word
step size
dpcm
digital filter
signals
Prior art date
Application number
SE7500483A
Other languages
English (en)
Other versions
SE400868B (sv
Inventor
L D J Eggermont
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of SE7500483L publication Critical patent/SE7500483L/xx
Publication of SE400868B publication Critical patent/SE400868B/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3002—Conversion to or from differential modulation
    • H03M7/3048—Conversion to or from one-bit differential modulation only, e.g. delta modulation [DM]
    • H03M7/3051—Conversion to or from one-bit differential modulation only, e.g. delta modulation [DM] adaptive, e.g. adaptive delta modulation [ADM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
SE7500483A 1974-01-21 1975-01-17 Digital kopplingsanordning for omvandling av en komprimerad deltamodulerad signal till en pulskodmodulerad signal SE400868B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7400764A NL7400764A (nl) 1974-01-21 1974-01-21 Digitale inrichting voor het omzetten van ge- comprimeerde delta gemoduleerde signalen in pcm-signalen.

Publications (2)

Publication Number Publication Date
SE7500483L true SE7500483L (instruction) 1975-07-22
SE400868B SE400868B (sv) 1978-04-10

Family

ID=19820591

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7500483A SE400868B (sv) 1974-01-21 1975-01-17 Digital kopplingsanordning for omvandling av en komprimerad deltamodulerad signal till en pulskodmodulerad signal

Country Status (9)

Country Link
US (1) US4002981A (instruction)
JP (1) JPS5429233B2 (instruction)
BE (1) BE824571A (instruction)
CA (1) CA1022681A (instruction)
DE (1) DE2501531C3 (instruction)
FR (1) FR2258747B1 (instruction)
GB (1) GB1480434A (instruction)
NL (1) NL7400764A (instruction)
SE (1) SE400868B (instruction)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7506141A (nl) * 1975-05-26 1976-11-30 Philips Nv Digitaal filter.
GB1588219A (en) * 1977-02-07 1981-04-15 Post Office Conversion of analogue signals to digital signals
NL7708150A (nl) * 1977-07-22 1979-01-24 Philips Nv Integrerende kode-omzetter.
FR2399763A1 (fr) * 1977-08-03 1979-03-02 Trt Telecom Radio Electr Dispositif numerique pour diviser la frequence d'echantillonnage dans un signal code au moyen de la modulation delta
NL7800406A (nl) * 1978-01-13 1979-07-17 Philips Nv Inrichting voor het filteren van gecomprimeerde pulscode gemoduleerde signalen.
NL7801909A (nl) * 1978-02-21 1979-08-23 Philips Nv Inrichting voor het decoderen van een met adap- tieve deltamodulatie gecodeerd signaal.
US4281318A (en) * 1980-05-30 1981-07-28 Bell Telephone Laboratories, Incorporated Digital-to-digital code converter
JPS58219841A (ja) * 1982-06-15 1983-12-21 Kokusai Denshin Denwa Co Ltd <Kdd> 標本化周波数の高速変換回路
GB2133238A (en) * 1982-12-10 1984-07-18 Marconi Co Ltd Coder/decoder arrangements
CA1271995A (en) * 1984-07-05 1990-07-24 Nec Corporation Method and apparatus for converting an analog signal to a digital signal using an oversampling technique
US4755794A (en) * 1987-07-23 1988-07-05 American Telephone And Telegraph Company, At&T Bell Laboratories Digital-to-digital code converter
US4905002A (en) * 1988-03-09 1990-02-27 Eastman Kodak Company Delta modulation encoder/decoder method and system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526855A (en) * 1968-03-18 1970-09-01 Bell Telephone Labor Inc Pulse code modulation and differential pulse code modulation encoders
NL159548B (nl) * 1968-03-21 1979-02-15 Philips Nv Overdrachtsstelsel voor signaaloverdracht door pulscodemodulatie, alsmede zender en ontvanger voor toepassing in een dergelijk stelsel.
US3596267A (en) * 1969-01-28 1971-07-27 Bell Telephone Labor Inc Digital code converter for converting a delta modulation code to a different permutation code
US3707712A (en) * 1970-06-10 1972-12-26 Univ Sherbrooke Converter from delta modulation to pulse code modulation
US3703688A (en) * 1971-04-07 1972-11-21 Bell Telephone Labor Inc Digital adaptive-to-linear delta modulated signal converter
US3691554A (en) * 1971-06-18 1972-09-12 Peter Marschall Code converters
US3772682A (en) * 1972-04-19 1973-11-13 Bell Telephone Labor Inc Digital conversion from one pcm format to another
US3766546A (en) * 1972-04-21 1973-10-16 Bell Telephone Labor Inc Converter for segment companded pcm codes

Also Published As

Publication number Publication date
FR2258747B1 (instruction) 1978-07-21
CA1022681A (en) 1977-12-13
GB1480434A (en) 1977-07-20
DE2501531A1 (de) 1975-07-24
FR2258747A1 (instruction) 1975-08-18
AU7737675A (en) 1976-07-22
SE400868B (sv) 1978-04-10
BE824571A (fr) 1975-07-22
DE2501531C3 (de) 1981-09-17
NL7400764A (nl) 1975-07-23
JPS5429233B2 (instruction) 1979-09-21
US4002981A (en) 1977-01-11
JPS50105060A (instruction) 1975-08-19
DE2501531B2 (de) 1980-12-11

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