KR920022268A - Sound reproduction signal component discrimination circuit - Google Patents

Sound reproduction signal component discrimination circuit Download PDF

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Publication number
KR920022268A
KR920022268A KR1019910008499A KR910008499A KR920022268A KR 920022268 A KR920022268 A KR 920022268A KR 1019910008499 A KR1019910008499 A KR 1019910008499A KR 910008499 A KR910008499 A KR 910008499A KR 920022268 A KR920022268 A KR 920022268A
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KR
South Korea
Prior art keywords
output
sound
signal
component
filter
Prior art date
Application number
KR1019910008499A
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Korean (ko)
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KR930007936B1 (en
Inventor
윤상락
Original Assignee
강진구
삼성전자 주식회사
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Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019910008499A priority Critical patent/KR930007936B1/en
Publication of KR920022268A publication Critical patent/KR920022268A/en
Application granted granted Critical
Publication of KR930007936B1 publication Critical patent/KR930007936B1/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
    • G11B20/02—Analogue recording or reproducing

Abstract

내용 없음.No content.

Description

음향재생신호 성분 판별회로Sound reproduction signal component discrimination circuit

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

제1도는 본 발명에 의한 음향재생신호 성분 판별회로의 전체 구성 블럭도,1 is a block diagram of an overall configuration of an acoustic reproduction signal component discrimination circuit according to the present invention;

제2도는 제1도에 의한 판별회로의 상세회로도,2 is a detailed circuit diagram of the discriminating circuit according to FIG. 1;

제3도는 제2도에 의한 판별회로의 동작파형도.3 is an operation waveform diagram of the discriminating circuit according to FIG. 2;

Claims (3)

음향장치에 있어서, 음향수신기에서 재생되는 좌·우 음향신호의 차성분을 구하여 모노 성분인지 스테레오 성분인지를 검출하는 제1검출수단과, 음향수신기에서 재생되는 좌·우음향신호의 합성분을 검출하는 제2검출수단과, 음향수신기에서 재생되는 좌·우 음향신호의 합성분을 검출하는 제2검출수단과, 상기 제2검출수단으로 부터 출력되는 음향신호를 소정주파수 이내의 저역성분만을 통과시키는 제1필터와, 상기 제2검출수단으로 부터 출력되는 음향신호를 소정주파수 이상의 고역성분만을 통과시키는 제2필터와, 상기 제1필터와, 제2필터의 출력을 혼합하는 혼합수단과, 상기 혼합수단으로 부터 출력되는 신호와 제1검출수단의 출력 신호가 출력될 때만 상기 혼합수단 및 제1검출수단의 출력을 가산해서 적분하는 출력수단을 포함함을 특징으로 하는 음향재생신호 성분 판별 회로.A sound device, comprising: first detecting means for determining whether a left or right sound signal reproduced by an audio receiver is a mono component or a stereo component, and detecting a composite of left and right sound signals reproduced by an audio receiver; The second detecting means for detecting the combination of the left and right sound signals reproduced by the sound receiver, and the low frequency component within a predetermined frequency passing the sound signal output from the second detecting means. A first filter, a second filter for passing only a high frequency component of a predetermined frequency or more through the sound signal output from the second detection means, mixing means for mixing the output of the first filter and the second filter, and the mixing And an output means for adding and integrating the outputs of the mixing means and the first detection means only when the signal output from the means and the output signal of the first detection means are output. The reproduction signal component determination circuit. 제1항에 있어서, 상기 출력수단으로 부터 출력되는 음향신호는 음악 성분임을 특징으로 하는 음향재생신호 성분 판별회로.The sound reproduction signal component discrimination circuit according to claim 1, wherein the sound signal output from the output means is a music component. 제1항에 있어서, 상기 제1신호검출수단은 스테레오신호 성분일 경우에만 상기 좌·우 음향신호와 차성분을 검출하는 차동증폭기를 포함함을 특징으로 하는 음향재생신호 성분 판별회로.2. The sound reproduction signal component discrimination circuit according to claim 1, wherein the first signal detecting means includes a differential amplifier which detects the left and right sound signals and the difference components only when they are stereo signal components. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910008499A 1991-05-24 1991-05-24 Audio reproducing signal component dicriminating circuit KR930007936B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910008499A KR930007936B1 (en) 1991-05-24 1991-05-24 Audio reproducing signal component dicriminating circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910008499A KR930007936B1 (en) 1991-05-24 1991-05-24 Audio reproducing signal component dicriminating circuit

Publications (2)

Publication Number Publication Date
KR920022268A true KR920022268A (en) 1992-12-19
KR930007936B1 KR930007936B1 (en) 1993-08-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910008499A KR930007936B1 (en) 1991-05-24 1991-05-24 Audio reproducing signal component dicriminating circuit

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107424629A (en) * 2017-07-10 2017-12-01 昆明理工大学 It is a kind of to distinguish system for electrical teaching and method for what broadcast prison was broadcast

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KR930007936B1 (en) 1993-08-21

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