KR920015700A - Listening Space Adaptive Reproducing Sound Level Automatic Control Circuit and Method - Google Patents

Listening Space Adaptive Reproducing Sound Level Automatic Control Circuit and Method Download PDF

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Publication number
KR920015700A
KR920015700A KR1019910001531A KR910001531A KR920015700A KR 920015700 A KR920015700 A KR 920015700A KR 1019910001531 A KR1019910001531 A KR 1019910001531A KR 910001531 A KR910001531 A KR 910001531A KR 920015700 A KR920015700 A KR 920015700A
Authority
KR
South Korea
Prior art keywords
listening space
signal
sound level
reproducing
test signal
Prior art date
Application number
KR1019910001531A
Other languages
Korean (ko)
Other versions
KR930006651B1 (en
Inventor
이희수
장성철
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 KR1019910001531A priority Critical patent/KR930006651B1/en
Priority to JP4015325A priority patent/JPH04354202A/en
Priority to DE4202609A priority patent/DE4202609A1/en
Publication of KR920015700A publication Critical patent/KR920015700A/en
Application granted granted Critical
Publication of KR930006651B1 publication Critical patent/KR930006651B1/en

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone

Abstract

내용 없음No content

Description

청취 공간적응형 재생음 레벨 자동 제어회로 및 방법Listening Space Adaptive Reproducing Sound Level Automatic Control Circuit and Method

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

제1도는 본 발명의 일실시예의 블럭도. 제2도는 본 발명의 다른 실시예의 블럭도.1 is a block diagram of one embodiment of the present invention. 2 is a block diagram of another embodiment of the present invention.

Claims (3)

음성신호를 제1차 증폭하는 전치증폭수단과, 소정의 음성신호들을 증폭하여 스피커로 재생하는 재생수단을 구비한 음향기기의 재생회로에 있어서, 소정 제어데이타에 의해서 볼륨의 위치가 결정됨으로써 상기 전치증폭수단으로부터의 입력과 재생되는 출력신호의 비를 조절하는 전자식 볼륨과, 청취공간의 상태를 체크하기 위한 소정의 테스트신호를 출력하는 테스트신호 발생수단과, 상기 입출력 신호비가 조절된 음성신호와 테스트신호중 하나를 선택적으로 상기 재생수단으로 출력하는 스위칭수단과, 상기 재생수단을 통해 재생된 테스트신호를 검지한 검지수단과, 소정의 모드 제어 입력 상태에 따라 스위칭수단을 제어하여 상기 테스트신호 발생수단과 검지수단으로부터 공급되는 신호간의 차를 검출하여 상기 전자식 볼륨의 위치를 자동 제어하여 청취공간에 따라 재생음 레벨을 적절히 조절하는 제어수단으로 구성됨을 특징으로 하는 청취공간 적응형 재생음 레벨 자동 제어회로.A reproducing circuit of an acoustic apparatus having preamplification means for firstly amplifying an audio signal and a reproducing means for amplifying predetermined voice signals and reproducing the audio signal, wherein the position of the volume is determined by predetermined control data. An electronic volume for adjusting the ratio of the output signal to be reproduced from the amplifying means, a test signal generating means for outputting a predetermined test signal for checking the state of the listening space, a voice signal for adjusting the input / output signal ratio and a test Switching means for selectively outputting one of the signals to the reproducing means, detecting means for detecting the test signal reproduced through the reproducing means, controlling the switching means according to a predetermined mode control input state, and Automatically control the position of the electronic volume by detecting the difference between the signals supplied from the detecting means And a control means for appropriately adjusting the reproduction sound level according to the listening space. 제1항에 있어서, 상기 테스트신호 발생수단으로부터 출력된 테스트신호와 상기 테스트신호가 상기 재생수단과 청취공간을거친 결과 상기 검지수단에서 검지신호로 발생되기까지의 시간차를 보정하기 위한 지연수단을 더 구비함을 특징으로 하는청취공간 적응형 재생음 레벨 자동 제어회로.2. The apparatus of claim 1, further comprising delay means for correcting a time difference between the test signal output from said test signal generating means and said test signal from said detecting means to a detection signal as a result of having passed through said reproducing means and a listening space. Listening space adaptive reproducing sound level automatic control circuit, characterized in that provided. 음향기기의 재생음 레벨 조절방법에 있어서, 라인뮤트 상태에서 소정의 테스트신호를 발생하여 이를 재생하고, 상기 재생된 신호가 청취공간에 확산되면 이를검지하여 상기 발생 당시의 테스트신호와 비교한 결과 상기 두신호간의 레벨차를 검출하고, 그 레벨차 만큼 재생음 레벨을 조절하여 청취공간에 적절한 재생음 레벨을 자동으로 설정함을 특징으로 하는 청취공간 적응형 재생음 레벨 자동 제어방법.In the reproduction sound level control method of an acoustic device, a predetermined test signal is generated and reproduced in a line mute state, and when the reproduced signal is spread in a listening space, the detected signal is detected and compared with the test signal at the time of occurrence. A method for automatically controlling a listening space adaptive reproduction sound level, comprising detecting a level difference between signals and automatically adjusting a reproduction sound level by the level difference to automatically set a reproduction sound level suitable for the listening space. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910001531A 1991-01-30 1991-01-30 Automatic level control circuit for sound KR930006651B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019910001531A KR930006651B1 (en) 1991-01-30 1991-01-30 Automatic level control circuit for sound
JP4015325A JPH04354202A (en) 1991-01-30 1992-01-30 Regenerative-sound level automatic control circuit and method thereof
DE4202609A DE4202609A1 (en) 1991-01-30 1992-01-30 Controlling reproduction sound level for matching to listening chamber - by regulating loudspeaker signal according to difference between generated and detected auditorium test signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910001531A KR930006651B1 (en) 1991-01-30 1991-01-30 Automatic level control circuit for sound

Publications (2)

Publication Number Publication Date
KR920015700A true KR920015700A (en) 1992-08-27
KR930006651B1 KR930006651B1 (en) 1993-07-22

Family

ID=19310461

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910001531A KR930006651B1 (en) 1991-01-30 1991-01-30 Automatic level control circuit for sound

Country Status (3)

Country Link
JP (1) JPH04354202A (en)
KR (1) KR930006651B1 (en)
DE (1) DE4202609A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060098726A (en) * 2005-03-07 2006-09-19 주식회사 현대오토넷 Apparatus for auto correcting sound in an audio system and method thereof

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696060A1 (en) * 1992-09-22 1994-03-25 Carpentier Claude Method and device for automatically controlling the gain of an amplifier of an electroacoustic system, in particular for a motor vehicle.
GB2310104A (en) * 1996-02-12 1997-08-13 Yang Yi Fu Loud speaker enclosure and tunable audio reproduction apparatus
US7333863B1 (en) 1997-05-05 2008-02-19 Warner Music Group, Inc. Recording and playback control system
AU783180B2 (en) * 1999-10-06 2005-09-29 Warner Music Group, Inc. Recording and playback control system
EP2416593A1 (en) 2010-08-02 2012-02-08 Svox AG Method for indoor communication
DE102016118950A1 (en) 2016-10-06 2018-04-12 Visteon Global Technologies, Inc. Method and device for adaptive audio reproduction in a vehicle
US11741093B1 (en) 2021-07-21 2023-08-29 T-Mobile Usa, Inc. Intermediate communication layer to translate a request between a user of a database and the database
US11924711B1 (en) 2021-08-20 2024-03-05 T-Mobile Usa, Inc. Self-mapping listeners for location tracking in wireless personal area networks

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Publication number Priority date Publication date Assignee Title
DE2849961A1 (en) * 1978-11-17 1980-05-22 Siemens Ag ELECTRIC ACOUSTIC SIGNALER WITH AUTOMATIC VOLUME ADJUSTMENT TO THE AMBIENT NOISE LEVEL

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060098726A (en) * 2005-03-07 2006-09-19 주식회사 현대오토넷 Apparatus for auto correcting sound in an audio system and method thereof

Also Published As

Publication number Publication date
DE4202609A1 (en) 1992-08-06
KR930006651B1 (en) 1993-07-22
JPH04354202A (en) 1992-12-08

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