JPS6472302A - Sound recording equalizer circuit - Google Patents

Sound recording equalizer circuit

Info

Publication number
JPS6472302A
JPS6472302A JP22914987A JP22914987A JPS6472302A JP S6472302 A JPS6472302 A JP S6472302A JP 22914987 A JP22914987 A JP 22914987A JP 22914987 A JP22914987 A JP 22914987A JP S6472302 A JPS6472302 A JP S6472302A
Authority
JP
Japan
Prior art keywords
pass filter
low
band
output
integration circuit
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
JP22914987A
Other languages
Japanese (ja)
Other versions
JP2663453B2 (en
Inventor
Toshiya Murakami
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP22914987A priority Critical patent/JP2663453B2/en
Publication of JPS6472302A publication Critical patent/JPS6472302A/en
Application granted granted Critical
Publication of JP2663453B2 publication Critical patent/JP2663453B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

PURPOSE:To facilitate the IC-conversion, and to prevent inductive noise by connecting in parallel a band-pass filter, a low-pass filter and a high-pass filter, executing a compensation of a high frequency by the band-pass filter and determining a characteristic of a middle frequency by the low-pass filter and the high-pass filter. CONSTITUTION:The titled circuit is provided with a band-pass filter 31 formed by being connected so that an output of a first integration circuit 8 is supplied to an input side of a second integration circuit 13, and also, each output of the first and second integration circuits 8, 13 is brought to negative feedback to an input side of the first integration circuit 8, a low-pass filter 33 formed by being connected so that an output of a third integration circuit 17 is brought to negative feedback to its input side, and a high-pass filter 34 formed by being connected so that an output of its low-pass filter 33 is subtracted from an input to the low-pass filter 33. In this state, the compensation of a high frequency is executed by the band-pass filter 31, and a characteristic of a middle frequency is determined by the low-pass filter 33 and the high-pass filter 34. In such a way, the IC-conversion is facilitated, and the inductive noise can be eliminated.
JP22914987A 1987-09-11 1987-09-11 Recording equalizer circuit Expired - Lifetime JP2663453B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22914987A JP2663453B2 (en) 1987-09-11 1987-09-11 Recording equalizer circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22914987A JP2663453B2 (en) 1987-09-11 1987-09-11 Recording equalizer circuit

Publications (2)

Publication Number Publication Date
JPS6472302A true JPS6472302A (en) 1989-03-17
JP2663453B2 JP2663453B2 (en) 1997-10-15

Family

ID=16887540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22914987A Expired - Lifetime JP2663453B2 (en) 1987-09-11 1987-09-11 Recording equalizer circuit

Country Status (1)

Country Link
JP (1) JP2663453B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004084407A1 (en) * 2003-03-17 2004-09-30 Fujitsu Limited Gain equalization device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004084407A1 (en) * 2003-03-17 2004-09-30 Fujitsu Limited Gain equalization device

Also Published As

Publication number Publication date
JP2663453B2 (en) 1997-10-15

Similar Documents

Publication Publication Date Title
JPS6449303A (en) Wide band mixer
JPS6472302A (en) Sound recording equalizer circuit
ATE82094T1 (en) CIRCUIT ARRANGEMENT FOR SUPPRESSING INTERFERENCE NOISE.
DE3378450D1 (en) Adjustable equalizer
JPS6455971A (en) Noise reducing circuit
JPS55110427A (en) Clamp circuit
JPS56107648A (en) Noise reduction circuit
JPS5518123A (en) Photocurrent amplifier circuit
JPS56165411A (en) Equalizer amplifier
JPS5630316A (en) Cyclic filter
JPS644111A (en) Digital filter circuit
JPS57166725A (en) Level discriminating circuit
JPS5797713A (en) Equalizer amplifier
JPS5478053A (en) Filter circuit
JPS5586215A (en) Doubling circuit
JPS55149517A (en) Amplitude variable filter
SU1164669A2 (en) Device for determining estimates of frequency transfer function
JPS575440A (en) Impulse noise rejector
JPS6447112A (en) Noise reducer
JPS57196610A (en) Amplitude suppressing circuit
JPS5642421A (en) Waveform equalizer
JPH03109423U (en)
JPS6430400A (en) Acoustic signal processing circuit
JPS5568729A (en) Input circuit with input level decision
JPS5631214A (en) Active filter

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080620

Year of fee payment: 11