JPS56102112A - Digital filter - Google Patents

Digital filter

Info

Publication number
JPS56102112A
JPS56102112A JP485580A JP485580A JPS56102112A JP S56102112 A JPS56102112 A JP S56102112A JP 485580 A JP485580 A JP 485580A JP 485580 A JP485580 A JP 485580A JP S56102112 A JPS56102112 A JP S56102112A
Authority
JP
Japan
Prior art keywords
circuit
inputted
during period
input
output
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.)
Granted
Application number
JP485580A
Other languages
Japanese (ja)
Other versions
JPS6411168B2 (en
Inventor
Tomoaki Irimichi
Itaru Kawasaki
Masahiro Noguchi
Katsuhide Tsukamoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP485580A priority Critical patent/JPS56102112A/en
Priority to DE3024009A priority patent/DE3024009C2/en
Priority to US06/162,614 priority patent/US4352162A/en
Priority to GB8020623A priority patent/GB2056821B/en
Priority to CA000354771A priority patent/CA1146638A/en
Publication of JPS56102112A publication Critical patent/JPS56102112A/en
Publication of JPS6411168B2 publication Critical patent/JPS6411168B2/ja
Granted 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 make it possible to exceedingly simplify the circuit construction, by using each one of multiplying circuit and adding and subtracting circuit for a digital filter which is effective when used in a voice synthesizing circuit utilizing the principle of grid-shaped linear forecast encoding. CONSTITUTION:The information of coefficient Kn is inputted into input (a) of one- step delayed circuit 100, and the output of shift register 108 is inputted into input (b) of multiplying circuit 102 through shift register 101. Then, during period T1, the output of intermittent shift register 109 is inputted, during period T2, driving signal U is inputted, and, during period T2-T20, the output of adding and substracting circuit 106 is inputted into the input of register 108. Moreover, register 109 is operated during period T11-T20-T2 and stopped during period T2-T10. The contents of latch circuit 110 is held during period T2-T20-T1 and updated when the period is shifted from T1 to T2. By this, the circuit construction is exceedingly simplified.
JP485580A 1979-06-25 1980-01-18 Digital filter Granted JPS56102112A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP485580A JPS56102112A (en) 1980-01-18 1980-01-18 Digital filter
DE3024009A DE3024009C2 (en) 1979-06-25 1980-06-24 Digital filter
US06/162,614 US4352162A (en) 1979-06-25 1980-06-24 Digital filter
GB8020623A GB2056821B (en) 1979-06-25 1980-06-24 Digital filter
CA000354771A CA1146638A (en) 1979-06-25 1980-06-25 Digital filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP485580A JPS56102112A (en) 1980-01-18 1980-01-18 Digital filter

Publications (2)

Publication Number Publication Date
JPS56102112A true JPS56102112A (en) 1981-08-15
JPS6411168B2 JPS6411168B2 (en) 1989-02-23

Family

ID=11595286

Family Applications (1)

Application Number Title Priority Date Filing Date
JP485580A Granted JPS56102112A (en) 1979-06-25 1980-01-18 Digital filter

Country Status (1)

Country Link
JP (1) JPS56102112A (en)

Also Published As

Publication number Publication date
JPS6411168B2 (en) 1989-02-23

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