DHJ1314 发表于 2007-12-18 09:45

咨询:测量耳机声压(急!!!!!!!!)

咨询:测量耳机声压原理方法(急!!!!)

各位,

请问如何测量耳机Headset声压sound level的简单原理或测试方法呢??
We would like to design testing methodology to investigate the following items:
1) sound level of the headset during communication
2) sound level received from the headset during communication

咨询:测量耳机声压原理方法(急!!!!)

各位,

请问如何测量耳机Headset声压sound level的简单原理或测试方法呢??
We would like to design testing methodology to investigate the following items:
1) sound level of the headset during communication
2) sound level received from the headset during communication

jarquine 发表于 2007-12-18 11:24

1.全消声室,是必须的。但全消里面如何保证通信你需要考虑。
2.高精度的传声器和数采设备。
3.耳机的频率分析。
4.参考有关标准。一般取取包络面测量。

wntaoc 发表于 2007-12-18 22:32

基本原理为:给定耳机一个电信号作激励,再用声级计之类一起测量耳机输出端产生声压,可计算出其灵敏度级。
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