Experiment results show that this digital recorder with index indication has high precision, stability and sensitivity.
实验表明，这种带指针指示的数字式显示记录仪表具有很高的灵敏度和显示精度，很好的稳定性。
2
We use ordinary microphone as our snoring recorder and compare its sensitivity with snoring microphone and piezo sensor, which are often utilized in clinical Settings.