KR940020813A - Multiple voice signal processing circuit - Google Patents

Multiple voice signal processing circuit Download PDF

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Publication number
KR940020813A
KR940020813A KR1019930002452A KR930002452A KR940020813A KR 940020813 A KR940020813 A KR 940020813A KR 1019930002452 A KR1019930002452 A KR 1019930002452A KR 930002452 A KR930002452 A KR 930002452A KR 940020813 A KR940020813 A KR 940020813A
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KR
South Korea
Prior art keywords
signal
sound
sif
demodulation
intercarrier
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KR1019930002452A
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Korean (ko)
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KR0164559B1 (en
Inventor
문양춘
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김광호
삼성전자 주식회사
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Priority to KR1019930002452A priority Critical patent/KR0164559B1/en
Publication of KR940020813A publication Critical patent/KR940020813A/en
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Publication of KR0164559B1 publication Critical patent/KR0164559B1/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)
  • Television Receiver Circuits (AREA)

Abstract

음성다중 시스템을 적용하는 칼라 텔레비젼 및 FM 라디오에 있어서, 음성다중 신호처리를 위하여는 음성다중 신호처리용 IF IC를 사용하여야 하므로 부품소자의 호환성을 떨어뜨리는 것이었다.In color television and FM radio employing a voice multiplexing system, an IF IC for voice multiplexing has to be used for voice multiplexing, thereby reducing the compatibility of component devices.

따라서 모노 사운드용으로 사용되고 있는 IF IC를 스테레오용 텔레비젼에 적용시켜 스테레오 기능을 수행시키도록 하기 위하여 SIF 복조회로(210)에서 복조된 인터 케리어 출력이 5.5㎒ 필터(130)와, 5.74㎒ 필터(230)를 각각 통과한 FM1 사운드 복조부(120)와 FM2 사운드 복조부(220)에서 사운드 신호로 복조되어 스테레오 데코더(70)에 인가되도록 구성시킨 것으로써 부품소자 상호간의 호환성을 증가시켜 모노 텔레비젼이나 스테레오 텔레비젼에 적용되어진다.Therefore, the intercarrier output demodulated by the SIF demodulation circuit 210 has a 5.5 MHz filter 130 and a 5.74 MHz filter to apply an IF IC used for mono sound to a stereo television to perform a stereo function. The FM1 sound demodulator 120 and the FM2 sound demodulator 220 which have passed through 230 are configured to be demodulated as a sound signal and applied to the stereo decoder 70, thereby increasing the compatibility between the component elements, thereby increasing the compatibility of mono TVs or the like. Applied to stereo television.

Description

음성다중용 음성신호 처리회로Multiple voice signal processing circuit

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

제 2 도는 본 발명에 따른 음성신호 처리 회로도.2 is a voice signal processing circuit diagram according to the present invention.

Claims (3)

튜너(5)에서 선국되어 프리앰프(10)에서 증폭된 IF 신호를 VIF SAW 필터(20)와 SIF SAW 필터(30)에서 VIF 신호 및 SIF 신호로 분리하는 신호 처리회로에 있어서, 상기 VIF 신호를 복합 비데오 신호로 복조시키고 모노 사운드인 FM1 사운드를 출력시키는 비데오 신호복조 및 FM1 검파부(100)와, 상기 SIF 신호를 인터 케리어 신호로 복조시키고 스테레오 사운드인 FM2 사운드를 출력시키는 사운드 신호복조 및 FM2 검파부(200)와, 상기 비데오 신호복조 및 FM1 검파부(100)의 사운드와 사운드 신호복조 및 FM2 검파부(200)의 사운드를 처리하는 스테레오 데코더(70)로 구성되는 것을 특징으로 하는 음성다중용 음성신호 처리회로.A signal processing circuit for separating the IF signal tuned by the tuner 5 and amplified by the preamplifier 10 into a VIF signal and a SIF signal by the VIF SAW filter 20 and the SIF SAW filter 30. A video signal demodulation and FM1 detection unit 100 for demodulating a composite video signal and outputting a mono sound FM1 sound, and a sound signal demodulation and FM2 detection for demodulating the SIF signal into an intercarrier signal and outputting a stereo sound FM2 sound. And a stereo decoder 70 for processing the sound of the video signal demodulation and FM1 detector 100 and the sound of the FM signal detector 200 and the sound of the FM2 detector 200. Voice signal processing circuit. 제 1항에 있어서, 비데오 신호복조 및 FM1 검파부(100)는 VIF 신호를 복합 비데오 신호로 복조시키는 VIF 복조회로(110)와 SIF 복조회로(210)에서 인가된 인터 케리어 신호중 FM1 신호를 분리하는 5.5㎒ 필터(130)와, 상기 5.5㎒ 필터(130)에서 분리된 인터 케리어 신호를 사운드 신호로 복조하여 출력시키는 FM1 사운드 복조부(120)로 구성되어지는 것을 특징으로 하는 음성다중용 음성신호 처리회로.The video signal demodulation and FM1 detection unit 100 performs an FM1 signal among the intercarrier signals applied from the VIF demodulation circuit 110 and the SIF demodulation circuit 210 to demodulate the VIF signal into a composite video signal. A multi-voice voice comprising a separate 5.5 MHz filter 130 and an FM1 sound demodulator 120 for demodulating and outputting an intercarrier signal separated by the 5.5 MHz filter 130 into a sound signal. Signal processing circuit. 제 1항에 있어서, 사운드 신호 복조 및 FM2 검파부(200)는 SIF 신호를 인터 케리어 신호로 복조시키는 SIF 복조회로(210)와, 상기 SIF 복조회로(210)에서 인가되는 인터 케리어 신호중 FM2 신호를 분리하는 5.74㎒ 필터(230)와, 상기 5.74㎒ 필터(230)에서 분리된 인터 케리어 신호를 사운드 신호로 복조하여 출력시키는 FM2 사운드 복조부(220)로 구성되어지는 것을 특징으로 하는 음성다중용 음성신호 처리회로.The SIF demodulation circuit 210 of claim 1, wherein the sound signal demodulation and FM2 detection unit 200 demodulates the SIF signal into an intercarrier signal, and FM2 of the intercarrier signals applied from the SIF demodulation circuit 210. A multiple voice, characterized in that it consists of a 5.74MHz filter 230 for separating the signal, and an FM2 sound demodulator 220 for demodulating and outputting the intercarrier signal separated by the 5.74MHz filter 230 into a sound signal. Voice signal processing circuit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930002452A 1993-02-19 1993-02-19 Multiple sound signal processing circuitry KR0164559B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930002452A KR0164559B1 (en) 1993-02-19 1993-02-19 Multiple sound signal processing circuitry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930002452A KR0164559B1 (en) 1993-02-19 1993-02-19 Multiple sound signal processing circuitry

Publications (2)

Publication Number Publication Date
KR940020813A true KR940020813A (en) 1994-09-16
KR0164559B1 KR0164559B1 (en) 1999-03-20

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Application Number Title Priority Date Filing Date
KR1019930002452A KR0164559B1 (en) 1993-02-19 1993-02-19 Multiple sound signal processing circuitry

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