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    • 31. 发明公开
    • 전관 방송 제어 시스템
    • 公共地址控制系统
    • KR1020130011887A
    • 2013-01-30
    • KR1020110117263
    • 2011-11-11
    • 강준희
    • 강준희
    • H04H20/59
    • H04H20/59H04H20/61H04R27/00H04R29/002
    • PURPOSE: A public address control system is provided to output a fire warning through a speaker by using an emergency operating unit even in case of fire when a control device cannot be normally operated. CONSTITUTION: A control device(200) controls the whole operation of a public address system. An emergency operating unit(700) is installed between the control device and a fire warning system(300). When the control device cannot be normally operated, the emergency operating unit is operated. The emergency operating unit outputs a fire warning sound through a speaker unit(600) according to a fire warning signal transmitted from the fire warning system. [Reference numerals] (110,120,130) Remote device; (140) Timer device; (150) Computer device; (200) Public broadcasting control device; (300) Fire warning system; (410) Fire sound generating unit; (420) Audio distributor; (430) Amp; (500) Relay group; (600) Speaker; (700) Emergency operating unit
    • 目的:提供公共广播地址控制系统,即使在控制装置无法正常运行的情况下,也可以通过使用紧急操作单元通过扬声器输出火警。 规定:控制设备(200)控制公共广播系统的整个操作。 紧急操作单元(700)安装在控制装置和火警警告系统(300)之间。 当控制装置无法正常工作时,应急运行单元运行。 紧急操作单元根据从火灾警报系统发送的火警警告信号,通过扬声器单元(600)输出火警警告声。 (附图标记)(110,120,130)远程装置; (140)定时器设备; (150)计算机设备; (200)公共广播控制装置; (300)火警系统; (410)火声发声单元; (420)音频分配器; (430)安培; (500)继电器组; (600)演讲人; (700)应急运行单元
    • 32. 发明公开
    • 실내 음향 측정 시스템 및 방법
    • 用于测量室内声音的系统和方法
    • KR1020090114088A
    • 2009-11-03
    • KR1020080039866
    • 2008-04-29
    • 전북대학교산학협력단주식회사 씨에스구조엔지니어링
    • 정대업오양기이강성
    • H04R29/00H04S7/00H04R3/00G01R31/28
    • H04R29/002G01R31/2825H04R3/002H04S7/301
    • PURPOSE: A system and a method for measuring an indoor sound are provided to analyze spread sound field by quantifying sound dispreading degree at any space. CONSTITUTION: In a system and a method for measuring an indoor sound, a microphone(100) receives an audio signal. A microphone amplifier(110) amplifies the audio signal inputted from a microphone. An analog to digital converter(120) converts amplified analog signal into a digital signal. A sound characteristics data generate unit(130) calculates an impulse response by convoluting the audio signal of the digital format transformed from the analog to digital converter with a reference signal. A filtering portion(140) filters the impulse response generated from the sound characteristics data generate part at each bandwidth. A despreading sound field interpreter(150) calculates an attenuation ratio in from first sections to third section of each bandwidth impulse response generated in the filtering portion.
    • 目的:提供一种用于测量室内声音的系统和方法,用于通过量化任何空间的声音扩散程度来分析扩展声场。 构成:在用于测量室内声音的系统和方法中,麦克风(100)接收音频信号。 麦克风放大器(110)放大从麦克风输入的音频信号。 模数转换器(120)将放大的模拟信号转换为数字信号。 声音特性数据生成单元(130)通过使用参考信号对从模数转换器变换的数字格式的音频信号进行卷积来计算脉冲响应。 滤波部分(140)在每个带宽处对从声音特征数据生成部分产生的脉冲响应进行滤波。 解扩声场解释器(150)计算在过滤部分中生成的每个带宽脉冲响应的第一部分到第三部分的衰减比。