KR920015953A - Audio signal balance correction circuit - Google Patents

Audio signal balance correction circuit Download PDF

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Publication number
KR920015953A
KR920015953A KR1019910000801A KR910000801A KR920015953A KR 920015953 A KR920015953 A KR 920015953A KR 1019910000801 A KR1019910000801 A KR 1019910000801A KR 910000801 A KR910000801 A KR 910000801A KR 920015953 A KR920015953 A KR 920015953A
Authority
KR
South Korea
Prior art keywords
signal
audio
balance
signals
output
Prior art date
Application number
KR1019910000801A
Other languages
Korean (ko)
Other versions
KR930010255B1 (en
Inventor
백동철
Original Assignee
강진구
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 강진구, 삼성전자 주식회사 filed Critical 강진구
Priority to KR1019910000801A priority Critical patent/KR930010255B1/en
Priority to JP3332248A priority patent/JPH06334452A/en
Priority to DE4142472A priority patent/DE4142472A1/en
Publication of KR920015953A publication Critical patent/KR920015953A/en
Application granted granted Critical
Publication of KR930010255B1 publication Critical patent/KR930010255B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/02Manually-operated control
    • H03G3/04Manually-operated control in untuned amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/302Electronic adaptation of stereophonic sound system to listener position or orientation

Abstract

내용 없음No content

Description

오디오 신호의 밸런스 보정회로Audio signal balance correction circuit

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

제2도는 본 발명의 회로도. 제3도는 제2도중 차동 비교부(30)의 구체도. 제4도는 제2도중 제1-2게인 콘트롤부(36,38)의 이득 특성도.2 is a circuit diagram of the present invention. 3 is a detailed view of the differential comparison unit 30 of FIG. 4 is a gain characteristic diagram of the 1-2 gain controllers 36 and 38 in FIG.

Claims (2)

오디오의 스테레오 신호인 L,R신호의 밸런스를 보정하기 위한 오디오 신호의 밸런스 보정회로에 있어서, 오디오 L채널(10) 및 오디오 R채널(12)을 통해 각각 출력되는 L신호 및 R신호를 각각 입력하여 상기 L신호 및 R신호의 평균값을 검출하기 위한 제1검출기(14) 및 제2검출기(16)와, 상기 제1-2검출기(14,16)의 검출된 출력을 입력하고 상기 평균값을 서로비교하여 제1비교신호 및 제2비교신호를 출력하는 차동비교부(30)와, 상기 차동비교부(30)의 제1비교신호 및 제2비교신호를 각각 입력하여 일정 레벨이하의 신호를 통과시키기 위한 제1LPF(32) 및 제2LPF(34)와, 상기 오디오 L채널 및 오디오 R채널(10,12)을 통해 각각 출력되는 L신호 및 R신호의 DC성분을 각각의 캐패시터(C1,C2)로 차단한 후 상기 L신호 및 R신호의 밸런스를 수동으로 조정해주기 위한 밸런스 콘트롤부(20)와, 상기 제1LPF(30) 및 제2LPF(34)의 출력을 각각 입력하여제1보정신호 및 제2보정신호를 상기 밸런스 콘트롤부(36)의 출력단(A,B)으로 각각 출력하여 자동으로 상기 L, R신호의 밸런스을 보상하기 위한 제1-2게인 콘트롤부(36,38)와, 상기 출력단(A,B)에 각각 연결되어 보상된 상기 L,R신호를 저주파증폭하기 위한 제1-2저주파 증폭기(40,42)와, 상기 제1-2저주파 증폭부(40,42) 증폭된 출력을 각각 입력하여 스테레오 음성을 출력하는 L스피커(50) 및 R스피커(52)로 구성됨을 특징으로 하는 오디오 신호의 밸런스 보정회로.In the audio signal balance correction circuit for correcting the balance of the L and R signals, which are stereo signals of audio, the L and R signals output through the audio L channel 10 and the audio R channel 12 are respectively input. Inputting the detected outputs of the first and second detectors 14 and 16 and the first and second detectors 14 and 16 for detecting the average values of the L and R signals, In comparison, the differential comparison unit 30 outputs the first comparison signal and the second comparison signal, and the first comparison signal and the second comparison signal of the differential comparison unit 30 are input, respectively, to pass a signal below a predetermined level. To the first LPF 32 and the second LPF 34, and the DC components of the L signal and the R signal output through the audio L channel and the audio R channel 10 and 12, respectively, to the capacitors C1 and C2. Balance control unit 20 for manually adjusting the balance of the L signal and the R signal after blocking to And input the outputs of the first LPF 30 and the second LPF 34, respectively, and output the first correction signal and the second correction signal to the output terminals A and B of the balance controller 36, respectively. First to first gain control units 36 and 38 for compensating the balance of the L and R signals, and first and second amplifiers for low frequency amplifying the compensated L and R signals connected to the output terminals A and B, respectively. 2 low frequency amplifier (40, 42), and the first and second low frequency amplifier (40, 42) inputs the amplified output to output a stereo voice, characterized in that the L speaker 50 and R speaker 52 An audio signal balance correction circuit. 제1항에 있어서, 상기 제1-2게인 콘트롤부(36,38)가 상기 제1-2LPF (32,34)의 입력전압에 반비례 하도록 구성됨을 특징으로 하는 오디오 신호의 밸런스 보정회로.2. The balance correction circuit as set forth in claim 1, wherein said first gain control section (36,38) is configured to be inversely proportional to an input voltage of said 1-2 LPF (32,34). ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019910000801A 1991-01-18 1991-01-18 Ballance correction circuit of audio signal KR930010255B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019910000801A KR930010255B1 (en) 1991-01-18 1991-01-18 Ballance correction circuit of audio signal
JP3332248A JPH06334452A (en) 1991-01-18 1991-12-16 Balance correcting circuit of audio signal
DE4142472A DE4142472A1 (en) 1991-01-18 1991-12-20 Audio signal balance compensating circuit for stereo transmission - has generator of two comparison signals under response to two compensating signals

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910000801A KR930010255B1 (en) 1991-01-18 1991-01-18 Ballance correction circuit of audio signal

Publications (2)

Publication Number Publication Date
KR920015953A true KR920015953A (en) 1992-08-27
KR930010255B1 KR930010255B1 (en) 1993-10-15

Family

ID=19310008

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910000801A KR930010255B1 (en) 1991-01-18 1991-01-18 Ballance correction circuit of audio signal

Country Status (3)

Country Link
JP (1) JPH06334452A (en)
KR (1) KR930010255B1 (en)
DE (1) DE4142472A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053554A (en) * 1974-05-08 1977-10-11 Catalox Corporation Removal of contaminants from gaseous streams
JPS556826A (en) * 1978-06-28 1980-01-18 Matsushita Electric Ind Co Ltd Chip capacitor buried in circuit board and method of manufacturing same
JPS59102000A (en) * 1982-12-01 1984-06-12 Nec Corp Signal processing circuit

Also Published As

Publication number Publication date
JPH06334452A (en) 1994-12-02
KR930010255B1 (en) 1993-10-15
DE4142472A1 (en) 1992-07-23

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