KR950006841A - Playback Control Circuit in Image Flexible Accompaniment System - Google Patents

Playback Control Circuit in Image Flexible Accompaniment System Download PDF

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Publication number
KR950006841A
KR950006841A KR1019930017131A KR930017131A KR950006841A KR 950006841 A KR950006841 A KR 950006841A KR 1019930017131 A KR1019930017131 A KR 1019930017131A KR 930017131 A KR930017131 A KR 930017131A KR 950006841 A KR950006841 A KR 950006841A
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KR
South Korea
Prior art keywords
amplifier
pulse signal
resistor
microphone
filter unit
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KR1019930017131A
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Korean (ko)
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KR950014674B1 (en
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김군진
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배순훈
대우전자 주식회사
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Priority to KR1019930017131A priority Critical patent/KR950014674B1/en
Publication of KR950006841A publication Critical patent/KR950006841A/en
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Publication of KR950014674B1 publication Critical patent/KR950014674B1/en

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)

Abstract

본 발명은 영상가요반주시스템에서의 재생제어회로에 관한 것으로, 마이크로부터 입력되는 음성신호 및 마이크터치에 따른 펄스신호의 노이즈성분을 제거하는 제1필터부(10) 및, 상기 제1필터부(10)에서 필터링된 음성신호 및 마이크터치펄스신호를 증폭출력하는 제1증폭기(12), 상기 제1증폭기(12)로부터의 증폭된 음성신호의 레벨을 조절하는 음성레벨조절부(14), 상기 음성레벨조절부(14)에 의해 조절된 음성신호를 증폭하여 출력하는 제2증폭기(16)를 갖춘 영상가요 반주시스템에서, 상기 제1증폭기(12)의 출력단에 저항(R8)을 매개로 반전단자(-)가 접속되고 그 반전단자(-)에 궤환캐패시터(C6)가 접속되어 상기 제1증폭기(12)로부터의 마이크터치펄스신호를 연산증폭하기 위한 연산증폭기(18) 및, 상기 연산증폭기(18)의 출력단에 상호 직렬접속된 다이오드(D1)와 저항(R9)을 매개로 접속되어 상기 연산증폭기(18)로부터 출력되는 일정레벨이상의 마이크터치펄스신호를 일정레벨로 필터링하는 제2필터부(20), 상기 제2필터부(20)로부터의 필터링된 마이크터치펄스신호를 카운하는 카운트부(22)로 구성된 것이다.The present invention relates to a playback control circuit in an image flexible accompaniment system, comprising: a first filter unit (10) for removing noise components of an audio signal input from a microphone and a pulse signal according to a microphone touch, and the first filter unit ( 10) a first amplifier 12 for amplifying and outputting the filtered voice signal and the microphone touch pulse signal, a voice level control unit 14 for adjusting the level of the amplified voice signal from the first amplifier 12, In an image flexible accompaniment system having a second amplifier 16 for amplifying and outputting a voice signal controlled by the voice level controller 14, the output terminal of the first amplifier 12 is inverted through a resistor R8. An operational amplifier 18 for operating and amplifying the microphone touch pulse signal from the first amplifier 12 by connecting a terminal (-) and a feedback capacitor C6 to an inverting terminal (-) thereof; and the operational amplifier Diode (D1) connected in series with the output terminal of (18) A second filter unit 20 and a filter from the second filter unit 20 connected to each other via a resistor R9 to filter the microphone touch pulse signal of a predetermined level or more output from the operational amplifier 18 to a predetermined level. The counting unit 22 counts the microphone touch pulse signal.

Description

영상가요반주 시스템에서의 재생제어회로Playback Control Circuit in Image Flexible Accompaniment System

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

제1도는 본 발명에 따른 영상가요반주시스템에서의 재생제어회로도이다.1 is a playback control circuit diagram in an image flexible accompaniment system according to the present invention.

Claims (2)

마이크로부터 입력되는 음성신호 및 마이크터치에 따른 펄스신호의 노이즈성분을 제거하는 제1필터부(10) 및, 상기 제1필터부(10)에서 필터링된 음성신호 및 마이크터치펄스신호를 증폭출력하는 제1증폭기(12), 상기 제1증폭기(12)로부터의 증폭된 음성신호의 레벨을 조절하는 음성레벨조절부(14), 상기 음성레벨조절부(14)에 의해 조절된 음성신호를 증폭하여 출력하는 제2증폭기(16)를 갖춘 영상가요반주시스템에 있어서, 상기 제1증폭기(12)의 출력단에 저항(R8)을 매개로 반전단자(-)가 접속되고 그 반전단자(-)에 궤환캐패시터(C6)가 접속되어 상기 제1증폭기(12)로부터의 마이크터치펄스신호를 연산증폭하기 위한 연산증폭기(18) 및, 상기 연산증폭기(18)의 출력단에 상호 직렬접속된 다이오드(D1)와 저항(R9)을 매개로 접속되어 상기 연산증폭기(18)로부터 출력되는 일정레벨이상의 마이크터치펄스신호를 일정레벨로 필터링하는 제2필터부(20), 상기 제2필터부(20)로부터의 필터링된 마이크터치펄스신호를 카운트하는 카운트부(22)로 구성된 것을 특징으로 하는 영상가요반주시스템에서의 재생제어회로.Amplifying and outputting the first filter unit 10 for removing noise components of the voice signal input from the microphone and the pulse signal according to the microphone touch, and the audio signal and the microphone touch pulse signal filtered by the first filter unit 10. The first amplifier 12, the voice level control unit 14 for adjusting the level of the amplified voice signal from the first amplifier 12, and amplifies the voice signal adjusted by the voice level control unit 14 In an image flexible accompaniment system having a second amplifier 16 for output, an inverting terminal (-) is connected to an output terminal of the first amplifier 12 through a resistor R8 and fed back to the inverting terminal (-). A capacitor C6 connected to the operational amplifier 18 for operational amplifying the microphone touch pulse signal from the first amplifier 12, and a diode D1 connected in series with an output terminal of the operational amplifier 18; Connected via a resistor R9 and output from the operational amplifier 18. Is composed of a second filter unit 20 for filtering a microphone touch pulse signal of a predetermined level or more to a predetermined level, and a counting unit 22 for counting the filtered microphone touch pulse signal from the second filter unit 20. Playback control circuit in video flexible accompaniment system. 제1항에 있어서, 상기 카운트부(22)는 상기 제2필터부(20)의 출력단에 저항(R11)을 매개로 베이스가 접속되고, 컬렉터측은 저항(R12)을 매개로 동작전원(Vcc)이 접속된 제1트랜지스터(Q1)와, 상기 제1트랜지스터(Q1)의 컬렉터측에서 노이즈를 제거하기 위한 콘덴서(C8)와 그 콘덴서(C8)에 접속된 저항(R13)으로부터 베이스가 바이어스됨과 동시에 동작전원(Vcc)이 저항(R14)을 매개로 컬렉터측에 접속된 제2트랜지스터(Q2) 및, 상기 제2트랜지스터(Q2)의 컬렉터측에 접속되어 카운트치를 출력시키는 카운트출력단(B)으로 구성된 것을 특징으로 하는 영상가요반주시스템에서의 재생제어회로.According to claim 1, wherein the counter 22 is connected to the output terminal of the second filter unit 20 via a resistor (R11), the collector side via a resistor (R12) the operating power supply (Vcc) The base is biased from the connected first transistor Q1, the capacitor C8 for removing noise at the collector side of the first transistor Q1, and the resistor R13 connected to the capacitor C8. The operating power source Vcc is composed of a second transistor Q2 connected to the collector side via a resistor R14 and a count output stage B connected to the collector side of the second transistor Q2 to output a count value. And a playback control circuit in an image flexible accompaniment system. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930017131A 1993-08-31 1993-08-31 Reproducing control circuit in image karaoke system KR950014674B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930017131A KR950014674B1 (en) 1993-08-31 1993-08-31 Reproducing control circuit in image karaoke system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930017131A KR950014674B1 (en) 1993-08-31 1993-08-31 Reproducing control circuit in image karaoke system

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KR950006841A true KR950006841A (en) 1995-03-21
KR950014674B1 KR950014674B1 (en) 1995-12-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100762017B1 (en) * 1998-06-02 2007-09-28 텍사스 인스트루먼츠 인코포레이티드 Using the applied peak area ratio to determine signal pw50 and head fly height
KR20160109069A (en) 2015-03-09 2016-09-21 김인균 Air pressing type transfer apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100762017B1 (en) * 1998-06-02 2007-09-28 텍사스 인스트루먼츠 인코포레이티드 Using the applied peak area ratio to determine signal pw50 and head fly height
KR20160109069A (en) 2015-03-09 2016-09-21 김인균 Air pressing type transfer apparatus

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Publication number Publication date
KR950014674B1 (en) 1995-12-13

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