KR950007473A - External audio signal output device for television - Google Patents
External audio signal output device for television Download PDFInfo
- 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
- Authority
- KR
- South Korea
- Prior art keywords
- audio
- external
- signal
- output
- television
- Prior art date
Links
Classifications
-
- 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
Landscapes
- 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
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)
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 |
Family
ID=19360730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019930015058A KR960013308B1 (en) | 1993-08-03 | 1993-08-03 | External audio signal output apparatus of tv. |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR960013308B1 (en) |
-
1993
- 1993-08-03 KR KR1019930015058A patent/KR960013308B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960013308B1 (en) | 1996-10-02 |
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Payment date: 20020930 Year of fee payment: 7 |
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