KR950009681A - Pop Noise Mute Device for Microphone Insertion of Video Accompaniment System - Google Patents

Pop Noise Mute Device for Microphone Insertion of Video Accompaniment System Download PDF

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Publication number
KR950009681A
KR950009681A KR1019930019724A KR930019724A KR950009681A KR 950009681 A KR950009681 A KR 950009681A KR 1019930019724 A KR1019930019724 A KR 1019930019724A KR 930019724 A KR930019724 A KR 930019724A KR 950009681 A KR950009681 A KR 950009681A
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KR
South Korea
Prior art keywords
microphone
muting
signal
output
pop noise
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Application number
KR1019930019724A
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Korean (ko)
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KR960007948B1 (en
Inventor
최익준
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배순훈
대우전자 주식회사
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Priority to KR1019930019724A priority Critical patent/KR960007948B1/en
Publication of KR950009681A publication Critical patent/KR950009681A/en
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Publication of KR960007948B1 publication Critical patent/KR960007948B1/en

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Television Receiver Circuits (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

본 발명은 마이크잭을 마이크입력단자에 삽입시 발생되는 사용자가 원치않는 팝노이즈를 소정시간동안 뮤트시키기 위한 영상가요반주시스템의 마이크삽입시 팝노이즈뮤트장치에 관한 것으로, 마이크입력단자(A)에 삽입되는 마이크잭의 입력여부를 검출하는 마이크삽입검출수단(10)과; 마이크로부터 입력되는 사용자의 음성신호를 증폭하는 증폭수단(12); 마이크삽입검출수단(10)으로부터의 마이크삽입검출신호출력여부에 따라 소정시간 동안 마이크잭삽입에 따른 팝노이즈를 뮤팅시키는 뮤팅부(16) 및; 증폭수단(12)으로부터의 마이크음성과 오디오입력단자(B)로부터의 오디오반주음을 혼합하여 출력하는 믹싱부(18)를 구비하여 구성된 것이다.The present invention relates to a pop noise mute device when a microphone is inserted into a video flexible accompaniment system for muting unwanted pop noise generated by a user when a microphone jack is inserted into a microphone input terminal for a predetermined time. Microphone insertion detecting means (10) for detecting whether the microphone jack to be inserted is inputted; Amplifying means (12) for amplifying a user's voice signal input from the microphone; A muting unit 16 for muting pop noise according to the microphone jack insertion for a predetermined time according to whether the microphone insertion detection signal is output from the microphone insertion detection unit 10; And a mixing unit 18 for mixing and outputting the microphone sound from the amplifying means 12 and the audio accompaniment sound from the audio input terminal B.

Description

영상가요반주시스템의 마이크삽입시 팝노이즈(Pop Noise)뮤트장치Pop Noise Mute Device for Microphone Insertion of Video Accompaniment System

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 영상가요반주시스템의 마이크삽입시 팝노이즈뮤트 장치의 블럭구성도,1 is a block diagram of a pop noise mute device when a microphone is inserted into an image flexible accompaniment system according to the present invention;

제2도는 본 발명에 따른 영상가요반주시스템의 마이크삽입시 팝노이즈뮤트장치의 회로도이다.2 is a circuit diagram of a pop noise mute device when a microphone is inserted into an image flexible accompaniment system according to the present invention.

Claims (3)

마이크입력단자(A)에 삽입되는 마이크잭의 입력여부를 검출하는 마이크삽입검출수단(10)과; 마이크로부터 입력되는 사용자의 음성신호를 증폭하는 증폭수단(12); 상기 마이크삽입검출수단(10)으로부터의 마이크삽입검출신호출력여부에 따라 뮤트개시신호 및 뮤트정지신호의 출력여부를 판단하는 제어수단(14); 상기 제어수단(14)에서 출력되는 뮤트개시신호에 따라 소정시간동안 마이크잭삽입에 따른 팝노이즈를 뮤팅시키는 뮤팅부(16) 및; 상기 증폭수단(12)으로부터의 마이크음성과 오디오입력단자(B)로부터의 오디오반주음을 혼합하여 출력하는 믹싱부(18)를 구비하여 구성된 것을 특징으로 하는 영상가요반주시스템의 마이크삽입시 팝노이즈뮤트장치.Microphone insertion detecting means (10) for detecting whether a microphone jack inserted into the microphone input terminal (A) is input; Amplifying means (12) for amplifying a user's voice signal input from the microphone; Control means (14) for determining whether to output the mute start signal and the mute stop signal according to whether the microphone insertion detection signal is output from the microphone insertion detection means (10); A muting unit 16 for muting the pop noise according to the microphone jack insertion for a predetermined time according to the mute start signal output from the control means 14; And a mixing unit 18 for mixing and outputting the microphone sound from the amplifying means 12 and the audio accompaniment sound from the audio input terminal B. Mute device. 제1항에 있어서, 상기 제어수단(14)은 마이크삽입에 따른 반전신호를 리세트신호로서 인가받는 입력포트(P1)와 그 리세트신호에 의해 소정의 클럭신호를 발생하는 클럭발진소자(14a) 및 그 클럭발진소자(14a)에서 출력되는 소정의 클럭주기동안 뮤팅동작이 수행되도록 뮤트개시신호를 출력하는 출력포트(P2)를 갖춘 마이컴으로 구성되고, 상기 뮤팅부(16)는 상기 제어수단(14)의 출력포트(P2)에 저항(R1)을 매개로 베이스가 접속되고 컬렉터는 저항(R3)을 매개로 동작전원(Vcc)이 접속되며 베이스와 에미터사이에는 바이어스저항(R2)이 접속된 NPN형 트랜지스터(Q1)와 그 NPN형 트랜지스터(Q1)의 컬렉터의 일단에 저항(R4)을 매개로 베이스가 접속되고 컬렉터는 상기 증폭수단(12)의 출력단의 일단에 접속된 PNP형 트랜지스터(Q2)로 구성된 것을 특징으로 하는 영상가요반주시스템의 마이크삽입시 팝노이즈뮤트장치.The clock oscillation element (14a) according to claim 1, wherein the control means (14) generates a predetermined clock signal by the input port (P1) receiving the inverted signal resulting from the microphone insertion as the reset signal and the reset signal. ) And a microcomputer having an output port P2 for outputting a mute start signal to perform a muting operation for a predetermined clock period output from the clock oscillation element 14a, and the muting unit 16 includes the control means. The base is connected to the output port P2 of (14) via the resistor R1, the collector is connected to the operating power source Vcc via the resistor R3, and the bias resistor R2 is connected between the base and the emitter. A base is connected to one end of the connected NPN transistor Q1 and the collector of the NPN transistor Q1 via a resistor R4, and the collector is connected to one end of the output terminal of the amplifying means 12. Image flexible panel characterized in that consisting of (Q2) Pop noise muting device when the insertion of the microphone system. 제1항 및 제2항에 있어서, 상기 제어수단(14)은 마이크삽입에 따른 반전 신호를 소정의 클럭주기로 카운트하는 카운터와 그 카운터에서 카운트출력되는 클럭펄스를 다음 클럭펄스까지 보존시키는 래치로 구성된 것을 특징으로 하는 영상가요반주시스템의 마이크삽입시 팝노이즈뮤트장치.The control unit (14) according to claim 1 or 2, wherein the control means (14) comprises a counter for counting the inverted signal according to the microphone insertion at a predetermined clock period and a latch for storing the clock pulse counted from the counter until the next clock pulse. Pop noise mute device when the microphone is inserted into the video flexible accompaniment system. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930019724A 1993-09-25 1993-09-25 Pop-noise mute device during inserting mic of image karaoke system KR960007948B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930019724A KR960007948B1 (en) 1993-09-25 1993-09-25 Pop-noise mute device during inserting mic of image karaoke system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930019724A KR960007948B1 (en) 1993-09-25 1993-09-25 Pop-noise mute device during inserting mic of image karaoke system

Publications (2)

Publication Number Publication Date
KR950009681A true KR950009681A (en) 1995-04-24
KR960007948B1 KR960007948B1 (en) 1996-06-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100484406B1 (en) * 2002-07-16 2005-04-20 (주)디지탈컴 Circuit for Eliminating Pop-noise for Use in Wireless Microphone Receiver
KR101227503B1 (en) * 2006-06-01 2013-01-29 엘지전자 주식회사 Apparatus for preventing noise of wireless micro-phone of TV system and method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100484406B1 (en) * 2002-07-16 2005-04-20 (주)디지탈컴 Circuit for Eliminating Pop-noise for Use in Wireless Microphone Receiver
KR101227503B1 (en) * 2006-06-01 2013-01-29 엘지전자 주식회사 Apparatus for preventing noise of wireless micro-phone of TV system and method thereof

Also Published As

Publication number Publication date
KR960007948B1 (en) 1996-06-17

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