4 ms·
"Most adults can hear sounds between 20 Hz and 20,000 Hz" - 9 year old adults, perhaps... I'm not an alarm designer, but my understanding is that if you want p
by to3m 10y ago
"Most adults can hear sounds between 20 Hz and 20,000 Hz" - 9 year old adults, perhaps...
I'm not an alarm designer, but my understanding is that if you want pretty much everybody to be able to hear something, not just your kids and your dog, 10-12KHz is a much better upper limit.
- ascorbic 10y agoAnecdotally, around 19 kHz was the cutoff among most of my colleagues in their mid 20s to mid 30s when I tested this a few years ago.