KR950007473A - External audio signal output device for television - Google Patents

External audio signal output device for television Download PDF

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Publication number
KR950007473A
KR950007473A KR1019930015058A KR930015058A KR950007473A KR 950007473 A KR950007473 A KR 950007473A KR 1019930015058 A KR1019930015058 A KR 1019930015058A KR 930015058 A KR930015058 A KR 930015058A KR 950007473 A KR950007473 A KR 950007473A
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KR
South Korea
Prior art keywords
audio
external
signal
output
television
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Application number
KR1019930015058A
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Korean (ko)
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KR960013308B1 (en
Inventor
안홍식
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배순훈
대우전자 주식회사
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Priority to KR1019930015058A priority Critical patent/KR960013308B1/en
Publication of KR950007473A publication Critical patent/KR950007473A/en
Application granted granted Critical
Publication of KR960013308B1 publication Critical patent/KR960013308B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Television Receiver Circuits (AREA)

Abstract

본 발명은 텔레비젼에 대해 외부로부터의 음성입력이 가능하도록 하기 위한 텔레비젼의 외부음성신호출력장치에 관한 것으로, 복합영상신호에 포함된 음성신호를 처리하는 음성처리회로(10)와, 이 음성처리회로에서 출력되는 음성신호의 중저음을 증폭처리하여 우퍼스피커(14)를 통해 출력하는 우퍼앰프(12), 상기 음성신호의 고음을 증폭처리하여 메인스피커(18)를 통해 출력하는 메인앰프(16) 및, 상기 음성신호를 음성서라운드방식으로 처리하여 서라운드스피커(26)를 통해 출력하는 서라운드앰프(24)를 갖춘 텔레비젼에다 외부음성입력단을 설치하여 마이크와 같은 외부음성입력원의 접속시 그 외부입력음성신호의 출력이 가능하도록 스위칭하는 스위칭부(20)와, 이 스위치부에서 출력되는 외부음성신호의 음량을 조절하는 음성조절부(22)를 갖추고, 상기 스위칭부(20)는 텔레비젼 본체의 소정위치에 설치된 외부음성신호입력 단자를 통해 삽입되면 ON되는 스위치(SW)와, 그 스위치(SW)의 일단에 베이스가 접속되어 상기 스위치(SW)의 접속시 도통되는 트랜지스터의(Q1)로 구성된 외부음성입력 검출부(20a)와 상기 트랜지스터(Q1)의 에미터에 접속되어 그 트랜지스터(Q1)의 ON/OFF에 따라 음성절환제어신호를 출력하는 마이크로컴퓨터(20b), 이 마이크로컴퓨터(20b)의 출력단에 제어단자(CTL)가 접속되어 상기 마이크로컴퓨터(20b)에서 출력되는 음성절환제어신호를 기초로 하여 텔레비젼음성 또는 외부음성신호를 선택출력하는 출력신호선택부(20c)로 구성되어 외부음성신호의 처리출력이 가능하도록 한 것이다.The present invention relates to an external audio signal output apparatus of a television for enabling audio input from the outside to a television, comprising: an audio processing circuit (10) for processing an audio signal contained in a composite video signal, and the audio processing circuit; A woofer amplifier 12 for amplifying the bass sound of the audio signal output from the woofer speaker 14, a main amplifier 16 for amplifying the high sound of the voice signal and outputting it through the main speaker 18; In addition, when the external audio input source such as a microphone is connected to a TV having a surround amplifier 24 for processing the voice signal in a surround sound system and output through a surround speaker 26, the external input audio signal Switching unit 20 for switching the output of the possible and the voice control unit 22 for adjusting the volume of the external audio signal output from the switch unit, The switch 20 is connected to a switch SW which is turned on when it is inserted through an external audio signal input terminal provided at a predetermined position of a television main body, and a base is connected to one end of the switch SW to connect the switch SW. A microcomputer connected to an external audio input detection unit 20a composed of a transistor Q1 that is conducting at the time and an emitter of the transistor Q1 and outputting a voice switching control signal in accordance with the on / off of the transistor Q1 ( 20b), the control terminal CTL is connected to the output terminal of the microcomputer 20b, and the output signal selection for selecting and outputting a television audio or an external audio signal based on the audio switching control signal output from the microcomputer 20b. The unit 20c is configured to enable processing output of an external voice signal.

Description

텔레비젼의 외부음성신호출력장치External audio signal output device of TV

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

제1도는 본 발명에 따른 외부음성신호출력장치가 적용된 텔레비젼의 음성신호처리계통을 나타내는 블럭도.1 is a block diagram showing an audio signal processing system of a television to which an external audio signal output apparatus according to the present invention is applied.

제2도는 제1도에 도시된 스위칭부의 구성을 나타낸 회로도이다.2 is a circuit diagram showing the configuration of the switching unit shown in FIG.

Claims (2)

복합영상신호에 포함된 음성신호만을 처리하는 음성처리회로(10)와, 이 음성처리회로에서 출력되는 음성신호의 중저음을 증폭처리하여 우퍼스피커(14)를 통해 출력하는 우퍼앰프(12), 상기 음성신호의 고음을 증폭처리하여 메인스피커(18)를 통해 출력하는 메인앰프(16) 및, 상기 음성신호를 음성서라운드방식으로 처리하여 서라운드스피커(26)를 통해 출력하는 서라운드앰프(24)를 갖춘 텔레비젼의 음성출력 장치에 있어서, 상기 텔레비젼에 설치된 외부음성입력단에 외부음성입력원의 접속시 그 외부입력음성신호의 출력이 가능하도록 스위칭하는 스위칭부(20)와, 이 스위치부에서 출력되는 외부음성신호의 음량을 조절하는 음성조절부(22)를 갖추고 구성된 것을 특징으로 하는 텔레비젼의 외부음성신호출력장치.An audio processing circuit 10 for processing only the audio signal included in the composite video signal, a woofer amplifier 12 for amplifying the bass of the audio signal output from the audio processing circuit and outputting it through the woofer speaker 14; A main amplifier 16 for amplifying high-pitched voice signals and outputting them through the main speaker 18, and a surround amplifier 24 for processing the voice signals in a voice surround method and outputting them through a surround speaker 26; In the audio output device of a television, a switching unit (20) for switching an output of an external input audio signal when the external audio input source is connected to an external audio input terminal provided in the television, and an external audio output from the switch unit. External sound signal output device for a television, characterized in that it comprises a voice control unit 22 for adjusting the volume of the signal. 제1항에 있어서, 상기 스위칭부(20)는 텔레비젼 본체에 설치된 외부음성신호입력단에 외부음성입력원이 삽입되면 ON되는 스위치(SW)와, 그 스위치(SW)의 일단에 베이스가 접속되어 상기 스위치(SW)의 접속에 따라 ON되는 트랜지스터(Q1)로 구성된 외부음성입력검출부(20a)와 상기 트랜지스터(Q1)의 에미터에 접속되어 그 트랜지스터(Q1)의 ON에 따라 음성절환제어신호를 출력하는 마이크로컴퓨터(20b), 그 마이크로컴퓨터(20b)의 출력단에 제어단자(CTL)가 접속되어 상기 마이크로컴퓨터(20b)에서 출력되는 음성절환제어신호를 기초로 하여 텔레비젼음성 또는 외부음성신호를 선택출력하는 출력신호선택부(20c)로 구성된 것을 특징으로 하는 텔레비젼의 외부음성신호출력장치.The switch unit (20) according to claim 1, wherein the switching unit (20) has a switch (SW) which is turned on when an external voice input source is inserted into an external voice signal input terminal provided in the television main body, and a base is connected to one end of the switch (SW). It is connected to an external voice input detector 20a composed of a transistor Q1 turned on in accordance with the connection of a switch SW and an emitter of the transistor Q1, and outputs a voice switching control signal in accordance with the ON of the transistor Q1. The control terminal CTL is connected to the microcomputer 20b and the output terminal of the microcomputer 20b, and selects and outputs a television audio or an external audio signal based on the audio switching control signal output from the microcomputer 20b. An external sound signal output device for a television, comprising an output signal selector (20c). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임※ Note: The disclosure is based on the initial application.
KR1019930015058A 1993-08-03 1993-08-03 External audio signal output apparatus of tv. KR960013308B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930015058A KR960013308B1 (en) 1993-08-03 1993-08-03 External audio signal output apparatus of tv.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930015058A KR960013308B1 (en) 1993-08-03 1993-08-03 External audio signal output apparatus of tv.

Publications (2)

Publication Number Publication Date
KR950007473A true KR950007473A (en) 1995-03-21
KR960013308B1 KR960013308B1 (en) 1996-10-02

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Application Number Title Priority Date Filing Date
KR1019930015058A KR960013308B1 (en) 1993-08-03 1993-08-03 External audio signal output apparatus of tv.

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Publication number Publication date
KR960013308B1 (en) 1996-10-02

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