音响安装工程的建声量测nti

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1、音响安装工程的建声量测ToolsRequired,设备Exel声学套件：www.nti-audio.com/ExelSet•XL2音频和声学分析仪•M4260量测麦克风•MiniratorMR-PRO信号发生器•XL2ASD缆线•MR-PRO缆线测试插头•XL2和MR-PRO电源适配器•Exel专用系统工具箱TalkBox声学信号发生器www.nti-audio.com/TalkBoxV1.07,Sep.2012音响安装工程的建声量测Overview,概览#1:CableTest--缆线测试#2:MeasureTHD+N--THD+N

2、测量#3:100VImpedanceTest--100V阻抗测试#4:PolarityTest--极性测试#5:NoiseCurves--噪声曲线#6:SystemSpectralResponse系统频率响应#7:SetupDelaySpeakers扬声器延迟设置#8:ReverberationTime--混响时间#9:SpeechIntelligibility(STI-PA)语言清晰度STI-PA音响安装工程的建声量测CableTest,缆线测试#1:CableTest–缆线测试#2:MeasureTHD+N--THD+N测量#3:

3、100VImpedanceTest--100V阻抗测试#4:PolarityTest--极性测试#5:NoiseCurves--噪声曲线#6:SystemSpectralResponse系统频率响应#7:SetupDelaySpeakers扬声器延迟设置#8:ReverberationTime--混响时间#9:SpeechIntelligibility(STI-PA)语言清晰度STI-PA音响安装工程的建声量测CableTest,缆线测试将缆线测试适配器连接到缆线的一端将缆线另一端连接到MR-PRO信号发生器音响安装工程的建声量测Ca

4、bleTest,缆线测试•Findsanydefectonbalancedcables查找出缆线任何不良状况•Providesclearfaultinformation提供清晰地错误信息Cable3R2=1kΩ1R3=2kΩ2CableTestAdaptorXLROutXLRIn1:Chassisground(cableshield)2:Positivepolarityterminal(hot)3:Returnterminal(cold)音响安装工程的建声量测CableTest,缆线测试•Findsanydefectonbalance

5、dcables查找出缆线任何不良状况•Providesclearfaultinformation提供清晰地错误信息Cable3R2=1kΩ1R3=R3=2k∞kΩΩ2CableTestAdaptorXLROutXLRIn1:Chassisground(cableshield)2:Positivepolarityterminal(hot)3:Returnterminal(cold)音响安装工程的建声量测CableTest,缆线测试•Findsanydefectonbalancedcables查找出缆线任何不良状况•Providescle

6、arfaultinformation提供清晰地错误信息Cable3R2=1kR2=undefΩ1R3=R3=2k∞kΩΩ2CableTestAdaptorXLROutXLRIn1:Chassisground(cableshield)2:Positivepolarityterminal(hot)3:Returnterminal(cold)音响安装工程的建声量测MeasureTHD+N,THD+N测量#1:CableTest--缆线测试#2:MeasureTHD+N–THD+N测量#3:100VImpedanceTest--100V阻抗测

7、试#4:PolarityTest--极性测试#5:NoiseCurves--噪声曲线#6:SystemSpectralResponse系统频率响应#7:SetupDelaySpeakers扬声器延迟设置#8:ReverberationTime--混响时间#9:SpeechIntelligibility(STI-PA)语言清晰度STI-PA音响安装工程的建声量测MeasureTHD+N,THD+N测量将MR-PRO信号发生器连接到缆线的一端将XL2连接到缆线的一端音响安装工程的建声量测MeasureTHD+N,THD+N测量Measur

8、etheTotalHarmonicDistortionandNoiseintroducedbycomponents测量组件引入系统的总谐波失真+噪声音响安装工程的建声量测100VImpedanceTest,阻抗测试#1: