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KR960020029A - Volume control method of car audio and its device - Google Patents

Volume control method of car audio and its device Download PDF

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Publication number
KR960020029A
KR960020029A KR1019940029075A KR19940029075A KR960020029A KR 960020029 A KR960020029 A KR 960020029A KR 1019940029075 A KR1019940029075 A KR 1019940029075A KR 19940029075 A KR19940029075 A KR 19940029075A KR 960020029 A KR960020029 A KR 960020029A
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KR
South Korea
Prior art keywords
volume
level
noise
control
detecting
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Legal status (The legal status 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 status listed.)
Withdrawn
Application number
KR1019940029075A
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Korean (ko)
Inventor
김창홍
Original Assignee
구자홍
엘지전자 주식회사
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Priority to KR1019940029075A priority Critical patent/KR960020029A/en
Publication of KR960020029A publication Critical patent/KR960020029A/en
Withdrawn legal-status Critical Current

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Abstract

본 발명은 자동차의 오디오 시스템에 관한 것으로, 오디오 시스템으로부터 출력되는 음량이 주변소음의 변화에 따라 운전자가 설정한 소정음량레벨로 가동조절되도록 한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio system of an automobile, and the volume output from the audio system is operatively adjusted to a predetermined volume level set by a driver according to a change in ambient noise.

본 발명은 소음대비음량레벨의 설정으로 운전자는 항상 쾌적한 음량레벨을 청취할 수 있으며, 번거로운 음량레벨조절동작이 배제되어 카오디오 시스템 사용에 편리성을 제공하며, 안전운행을 제공한다.According to the present invention, the driver can always hear a comfortable volume level by setting the noise contrast volume level, and the cumbersome volume level adjustment operation is eliminated, providing convenience to the car audio system and providing safe operation.

Description

카오디오의 음량자동조절방법 및 그 장치Volume control method of car audio and its device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 카오디오의 음량자동조절장치 구성블럭도,1 is a block diagram of a volume control device for car audio according to the present invention,

제2도는 제1도에 도시된 본 발명에서 음량자동조절방법을 실현하기 위한 흐름도.2 is a flowchart for realizing the automatic volume control method in the present invention shown in FIG.

Claims (5)

카오디오의 음량출력방법에 있어서, 운전자가 설정하는 청취하고자 하는 소음대비음량레벨을 메모리수단에 저장하는 제1과정과, 상기 제1과정 수행 후 소음검출수단을 통해 주변소음레벨을 검출한 후 상기 제1과정에서 설정한 소음대비음량레벨과 비교하는 제2과정과, 상기 제2과정의 비교에서 검출된 소음레벨과 설정한 소음대비음량레벨이 상이하면 설정된 소음대비음량레벨로 출력되는 음량레벨을 조절하고, 검출된 소음레벨과 설정한 소음대비음량레벨이 동일하면 출력되는 음량레벨을 그대로 출력하는 제3과정을 포함하는 것을 특징으로 하는 카오디오의 음량자동조절방법.In the audio output method of the car audio, the first step of storing the noise contrast volume level to be set by the driver in the memory means, and after detecting the ambient noise level through the noise detection means after performing the first process The second process comparing the noise contrast volume level set in the first process, and if the noise level detected in the comparison of the second process and the set noise contrast volume level is different, And adjusting, and outputting the output volume level as it is if the detected noise level is equal to the set noise-contrast volume level. 카오디오 시스템에 있어서, 자동차의 주변에서 발생되는 소음레벨을 검출하는 음원감지수단과, 상기 음원감지수단으로부터 인가되는 신호에 따라 소음대비 음량출력레벨조절에 대한 제어신호를 출력하는 제어수단 및, 상기 제어수단으로부터 인가되는 소정의 제어신호에 따라 메인 시스템으로부터 인가되는 음량의 출력레벨을 자동조절하는 음량처리수단을 구비하는 것을 특징으로 하는 카오디오의 음량자동조절장치.In the car audio system, the sound source detection means for detecting the noise level generated in the vicinity of the vehicle, the control means for outputting a control signal for adjusting the sound volume output level relative to the noise in accordance with the signal applied from the sound source detection means, And a volume processing means for automatically adjusting the output level of the volume applied from the main system according to a predetermined control signal applied from the control means. 제2항에 있어서, 상기 음원감지수단은 주변소음을 입력하는 콘덴서 마이크와, 상기 콘덴서 마이크로부터 인가되는 소음레벨을 검출하는 음량측정부 및, 주행되는 자동차의 속도를 감지하는 속도감지부로 이루어지는 것을 특징으로 하는 카오디오의 음량자동조절장치.The method of claim 2, wherein the sound source detecting means comprises a condenser microphone for inputting ambient noise, a volume measuring unit for detecting a noise level applied from the condenser microphone, and a speed detecting unit for detecting the speed of the vehicle being driven. Car audio volume control device. 제2항에 있어서, 상기 제어수단은 상기 음원감지수단으로부터 인가되는 아날로그신호를 디지탈신호로 변환하는 A/D변환기와, 입출되는 신호를 소정의 회로부로 연결하는 인터페이스부와, 소음대비음량조절에 대한 전반적인 동작을 제어하는 CPU와, 상기 CPU로부터 인가되는 제어신호에 따라 음량조절에 대한 이득을 조절하는 이득제어부 및, 음량출력수단으로 출력되는 음량레벨을 검출하는 출력레벨검출부로 이루어지는 것을 특징으로 하는 카오디오의 음량자동조절장치.The apparatus of claim 2, wherein the control unit comprises: an A / D converter for converting an analog signal applied from the sound source sensing unit into a digital signal, an interface unit for connecting the incoming and outgoing signals to a predetermined circuit unit, and a noise contrast volume control. And a gain control unit for adjusting gain for volume control according to a control signal applied from the CPU, and an output level detection unit for detecting a volume level output to the volume output unit. Car audio volume control device. 제2항에 있어서, 상기 음량처리수단은 메인 시스템으로부터 인가되는 음량레벨을 상기 제어수단으로부터 인가되는 제어신호에 따라 소정의 레벨로 증폭하는 증폭기로 이루어지는 것을 특징으로 하는 카오디오의 음량자동조절장치.The apparatus of claim 2, wherein the volume processing means comprises an amplifier for amplifying the volume level applied from the main system to a predetermined level according to a control signal applied from the control means. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940029075A 1994-11-07 1994-11-07 Volume control method of car audio and its device Withdrawn KR960020029A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940029075A KR960020029A (en) 1994-11-07 1994-11-07 Volume control method of car audio and its device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940029075A KR960020029A (en) 1994-11-07 1994-11-07 Volume control method of car audio and its device

Publications (1)

Publication Number Publication Date
KR960020029A true KR960020029A (en) 1996-06-17

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Application Number Title Priority Date Filing Date
KR1019940029075A Withdrawn KR960020029A (en) 1994-11-07 1994-11-07 Volume control method of car audio and its device

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KR (1) KR960020029A (en)

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Patent event code: PA01091R01D

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Patent event date: 19941107

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