System Design Tips

Ambience Noise Level Guide

Jet Take-Off	140dB
Rock Concert	130 dB	Threshold of pain
Hydraulic Press	120 dB
Power Mower	100 dB
Screaming Child	90 dB	Ear protection required at 90 dB
Alarm Clock	80 dB
Vacuum Cleaner	70 dB
Conversation Speech	60 dB
Quiet Office	40 dB
Average Whisper	30 dB
Normal Breath	10 dB