JPS5610794A - Digital filter for recording and compensation - Google Patents

Digital filter for recording and compensation

Info

Publication number
JPS5610794A
JPS5610794A JP8552079A JP8552079A JPS5610794A JP S5610794 A JPS5610794 A JP S5610794A JP 8552079 A JP8552079 A JP 8552079A JP 8552079 A JP8552079 A JP 8552079A JP S5610794 A JPS5610794 A JP S5610794A
Authority
JP
Japan
Prior art keywords
coefficient
filter
frequency
delayed
signal
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
JP8552079A
Other languages
Japanese (ja)
Inventor
Takayoshi Hirata
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP8552079A priority Critical patent/JPS5610794A/en
Publication of JPS5610794A publication Critical patent/JPS5610794A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)

Abstract

PURPOSE:To weight a frequency in disc recording with simple constitution by constituting a digital circuit by combining acyclic and cyclic filters that are driven at plural sampling frequencies and differ in coefficient. CONSTITUTION:A digital signal sampled at a sampling frequency is branched at branch point 2 by way of input terminal 1 and the difference from a signal multiplied by the 1st coefficient at coefficient unit 3 and then delayed by one sampling period at delay circuit 4 is calculated by subtractor 5. The output signal of the 1st acyclic filter is applied to adder 7 of the primary cyclic filter that performs signal processing at the 2nd sampling frequency and added to the signal multiplied by the 2nd coefficient at coefficient unit 9 and delayed by one sampling period at delay circuit 10. The output signal of this cyclic filter is applied to subtracter 15 of the 2nd acyclic filter which performs signal processing and then subtracted by an output multiplied by the 3rd coefficient at coefficient unit 13 and delayed at delay circuit 14, thereby facilitating the weighting of the frequency in disc recording.
JP8552079A 1979-07-07 1979-07-07 Digital filter for recording and compensation Pending JPS5610794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8552079A JPS5610794A (en) 1979-07-07 1979-07-07 Digital filter for recording and compensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8552079A JPS5610794A (en) 1979-07-07 1979-07-07 Digital filter for recording and compensation

Publications (1)

Publication Number Publication Date
JPS5610794A true JPS5610794A (en) 1981-02-03

Family

ID=13861175

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8552079A Pending JPS5610794A (en) 1979-07-07 1979-07-07 Digital filter for recording and compensation

Country Status (1)

Country Link
JP (1) JPS5610794A (en)

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