JPS5733821A - Digital equalizer - Google Patents

Digital equalizer

Info

Publication number
JPS5733821A
JPS5733821A JP10859780A JP10859780A JPS5733821A JP S5733821 A JPS5733821 A JP S5733821A JP 10859780 A JP10859780 A JP 10859780A JP 10859780 A JP10859780 A JP 10859780A JP S5733821 A JPS5733821 A JP S5733821A
Authority
JP
Japan
Prior art keywords
sound signal
sampling frequency
digital equalizer
moltiplier
therfore
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
JP10859780A
Other languages
Japanese (ja)
Inventor
Masatoshi Shinpo
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 JP10859780A priority Critical patent/JPS5733821A/en
Publication of JPS5733821A publication Critical patent/JPS5733821A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/04—Control of transmission; Equalising
    • H04B3/14—Control of transmission; Equalising characterised by the equalising network used
    • H04B3/143—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers
    • H04B3/144—Control of transmission; Equalising characterised by the equalising network used using amplitude-frequency equalisers fixed equalizers

Abstract

PURPOSE:To remove an aperture effect, by digitally correcting a digital sound signal obtained by means of A/D conversion. CONSTITUTION:A series sound signal data 61 pulse-encoded is delayed by a time of one sampling frequency portion by a delay type flip-flop (DFF) 62, is multiplied by an optional factor in a moltiplier 63, and thereafter, it is added to an input signal 61 in an adder 64. As a result, an output to be obtained develops as the amplitude frequency characteristics of half of the sampling frequency, that is to say, that which has its peak in the upper limit of a sound signal and also has a dip in the sampling frequency, therfore, a high band boost is attained.
JP10859780A 1980-08-06 1980-08-06 Digital equalizer Pending JPS5733821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10859780A JPS5733821A (en) 1980-08-06 1980-08-06 Digital equalizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10859780A JPS5733821A (en) 1980-08-06 1980-08-06 Digital equalizer

Publications (1)

Publication Number Publication Date
JPS5733821A true JPS5733821A (en) 1982-02-24

Family

ID=14488830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10859780A Pending JPS5733821A (en) 1980-08-06 1980-08-06 Digital equalizer

Country Status (1)

Country Link
JP (1) JPS5733821A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234647A (en) * 1975-09-12 1977-03-16 Hitachi Ltd Frequency sampling filter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5234647A (en) * 1975-09-12 1977-03-16 Hitachi Ltd Frequency sampling filter

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