KR950004926A - Audio signal recording device of surveillance camera - Google Patents

Audio signal recording device of surveillance camera Download PDF

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Publication number
KR950004926A
KR950004926A KR1019930014169A KR930014169A KR950004926A KR 950004926 A KR950004926 A KR 950004926A KR 1019930014169 A KR1019930014169 A KR 1019930014169A KR 930014169 A KR930014169 A KR 930014169A KR 950004926 A KR950004926 A KR 950004926A
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KR
South Korea
Prior art keywords
audio signal
signal
subject
controller
level
Prior art date
Application number
KR1019930014169A
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Korean (ko)
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KR0138369B1 (en
Inventor
조찬동
Original Assignee
김광호
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.)
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Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019930014169A priority Critical patent/KR0138369B1/en
Publication of KR950004926A publication Critical patent/KR950004926A/en
Application granted granted Critical
Publication of KR0138369B1 publication Critical patent/KR0138369B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
    • G08B13/19606—Discriminating between target movement or movement in an area of interest and other non-signicative movements, e.g. target movements induced by camera shake or movements of pets, falling leaves, rotating fan
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Studio Devices (AREA)

Abstract

이 발명은 감시용 카메라의 오디오 신호 기록장치에 관한 것으로서, 피사체의 움직임을 감시하여 움직임이 있을때만 비데오 신호를 기록하고 동시에 피사체로부터 발생되는 소리를 그대로 기록함으로써 작은 소리에 대한 판별이 어려웠으므로 이를 해결하기 위한 이 방법은, 피사체가 움직일 때 비데오 신호를 기록하는 감시용 카메라에 마이크로 입력되는 음성 신호를 증폭하는 증폭기와, 마이크로부터 음성 신호가 입력되고 있는지 감지하는 오디오 신호 감지부와, 입력되는 음성 신호의 레벨을 검출하는 오디오 신호 레벨 검출부와, 상기 증폭기로부터 출력되는 음성 신호를 적당한 레벨로 제어하는 오디오 신호 레벨 제어부로 구성되어 피사체에서 발생하는 음성 신호가 작을 경우 이를 인식가능한 크기로 증폭하여 기록한다.The present invention relates to an audio signal recording apparatus of a surveillance camera, which monitors the movement of a subject, records a video signal only when there is a movement, and simultaneously records the sound generated from the subject, thus making it difficult to discriminate small sounds. This method provides an amplifier for amplifying a voice signal input to a surveillance camera for recording a video signal when a subject moves, an audio signal detector for detecting whether a voice signal is input from the microphone, and An audio signal level detection unit for detecting a level and an audio signal level control unit for controlling an audio signal output from the amplifier to an appropriate level are amplified and recorded in a recognizable size when a voice signal generated from a subject is small.

Description

감시용 카메라의 오디오 신호 기록장치Audio signal recording device of surveillance camera

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

제 1 도는 종래의 감시용 카메라의 블럭도이고, 제 2 도는 이 발명에 따른 감시용 카메라의 오디오 신호 기록장치의 일실시예를 나타내는 블럭도이다.1 is a block diagram of a conventional surveillance camera, and FIG. 2 is a block diagram showing an embodiment of an audio signal recording apparatus of a surveillance camera according to the present invention.

Claims (2)

렌즈를 통해 입력되는 피사체의 상을 카메라 시스템부에서 비데오 신호로 출력하고, 이 비데오 신호에서 피사체의 움직임을 감지하는 피사체의 움직임 감지부와; 마이크로부터 입력되는 피사체의 음성 신호를 판별가능한 레벨로 제어하는 오디오 신호 제어부와; 상기 피사체의 움직임 감지부와 오디오 신호 제어부에 연결되어 파사체가 움직일 때 비데오 신호가 기록되고 오디오 신호도 기록되도록 제어하는 시스템 제어부와; 상기 시스템 제어부의 제어신호에 따라 카메라 시스템부의 비데오 신호와, 오디오 신호 제어부의 오디오 신호를 기록하는 비데오/오디오 신호 기록부로 구성된 것을 특징으로 하는 감시용 카메라의 오디오 신호 기록장치.A motion detection unit of the subject which outputs an image of the subject input through the lens as a video signal from the camera system unit, and detects the movement of the subject from the video signal; An audio signal controller for controlling a voice signal of a subject input from the microphone to a level that can be discriminated; A system control unit connected to the motion detection unit and the audio signal control unit of the subject to control the video signal to be recorded and the audio signal to be recorded when the projectile moves; And a video / audio signal recording unit for recording the video signal of the camera system unit and the audio signal of the audio signal controller according to the control signal of the system controller. 제 1 항에 있어서, 상기 오디오 신호 제어부는, 마이크를 통해 입력된 신호를 증폭하는 증폭기의 출력신호로부터 오디오 신호가 발생되고 있는지를 감지하고 시스템 제어부에 전달하는 오디오 신호 감지부와, 상기 증폭기에 오디에 신호 감지부와 병렬로 연결되어 음성 신호의 크기를 검출하고 검출된 값을 시스템 제어부에 전달하는 오디오 신호 레벨 검출부와, 상기 증폭기에 연결되어 시스템 제어부의 제어 신호에 따라 증폭기의 출력 신호를 사용자가 원하는 레벨로 이득을 조절하여 오디오 신호를 기록하도록 제어하는 오디오 신호 레벨 제어부로 구성되어 있는 감시용 카메라의 오디오 신호 기록장치.The audio signal controller of claim 1, wherein the audio signal controller detects whether an audio signal is generated from an output signal of an amplifier that amplifies a signal input through a microphone, and transmits the audio signal to a system controller. An audio signal level detector connected in parallel with a signal detector to detect a magnitude of a voice signal and transferring the detected value to a system controller; and an output signal of the amplifier connected to the amplifier according to a control signal of the system controller. An audio signal recording apparatus of a surveillance camera, comprising: an audio signal level control unit for controlling the gain to be adjusted to a desired level to record an audio signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930014169A 1993-07-26 1993-07-26 Audio signal recording device for monitoring camera KR0138369B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930014169A KR0138369B1 (en) 1993-07-26 1993-07-26 Audio signal recording device for monitoring camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930014169A KR0138369B1 (en) 1993-07-26 1993-07-26 Audio signal recording device for monitoring camera

Publications (2)

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KR950004926A true KR950004926A (en) 1995-02-18
KR0138369B1 KR0138369B1 (en) 1998-05-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100492963B1 (en) * 2002-09-25 2005-06-07 주식회사 대유에이텍 Mold release sprayer for mold manufacturing seat cushion of vehicle
KR100566059B1 (en) * 2003-04-15 2006-04-04 주식회사 한성전자산업개발 Watch Camera
CN110520926A (en) * 2017-04-06 2019-11-29 金金哲 Device and its application method of the sound without losing sound are collected in wide area

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102215845B1 (en) * 2019-12-24 2021-02-16 김금철 System and method for collecting sound

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100492963B1 (en) * 2002-09-25 2005-06-07 주식회사 대유에이텍 Mold release sprayer for mold manufacturing seat cushion of vehicle
KR100566059B1 (en) * 2003-04-15 2006-04-04 주식회사 한성전자산업개발 Watch Camera
CN110520926A (en) * 2017-04-06 2019-11-29 金金哲 Device and its application method of the sound without losing sound are collected in wide area

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Publication number Publication date
KR0138369B1 (en) 1998-05-15

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