JPS5355938A - Digiral filter - Google Patents

Digiral filter

Info

Publication number
JPS5355938A
JPS5355938A JP13092976A JP13092976A JPS5355938A JP S5355938 A JPS5355938 A JP S5355938A JP 13092976 A JP13092976 A JP 13092976A JP 13092976 A JP13092976 A JP 13092976A JP S5355938 A JPS5355938 A JP S5355938A
Authority
JP
Japan
Prior art keywords
digiral
filter
velocity
converting
low
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.)
Pending
Application number
JP13092976A
Other languages
Japanese (ja)
Inventor
Takao Moriya
Tatsuki Hayashi
Masao Yamazawa
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP13092976A priority Critical patent/JPS5355938A/en
Publication of JPS5355938A publication Critical patent/JPS5355938A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/04—Recursive filters
    • H03H17/0411—Recursive filters using DELTA modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

PURPOSE:To secure an economical constitution through a low-velocity multiplication by converting the delta modulation signal which is digital-coded in a high speed into a PCM signal and also converting the sampling velocity into a low velocity.
JP13092976A 1976-10-29 1976-10-29 Digiral filter Pending JPS5355938A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13092976A JPS5355938A (en) 1976-10-29 1976-10-29 Digiral filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13092976A JPS5355938A (en) 1976-10-29 1976-10-29 Digiral filter

Publications (1)

Publication Number Publication Date
JPS5355938A true JPS5355938A (en) 1978-05-20

Family

ID=15046011

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13092976A Pending JPS5355938A (en) 1976-10-29 1976-10-29 Digiral filter

Country Status (1)

Country Link
JP (1) JPS5355938A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5745711A (en) * 1980-09-02 1982-03-15 Fujitsu Ltd Conversion circuit for sampling frequency
JPS5950613A (en) * 1982-09-16 1984-03-23 Matsushita Electric Ind Co Ltd Analog-digital converter
JPS59105712A (en) * 1982-12-09 1984-06-19 Fujitsu Ltd Digital filter
JPS6128221A (en) * 1984-07-18 1986-02-07 Nec Corp Method and apparatus for oversample coding

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5745711A (en) * 1980-09-02 1982-03-15 Fujitsu Ltd Conversion circuit for sampling frequency
JPH039643B2 (en) * 1980-09-02 1991-02-08 Fujitsu Ltd
JPS5950613A (en) * 1982-09-16 1984-03-23 Matsushita Electric Ind Co Ltd Analog-digital converter
JPS59105712A (en) * 1982-12-09 1984-06-19 Fujitsu Ltd Digital filter
JPS6128221A (en) * 1984-07-18 1986-02-07 Nec Corp Method and apparatus for oversample coding

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