for scienceHow can nouns level be tested?
There are decibel meters available. Basically they are just calibrate microphones with meters attached. Some styles dictation the sound level over time. It is just close to on older video recording devices that allow you to measure tape levels but more compact and more precise.
http://canadawide.ca/catalog/s_sound_met...
With a nouns pressure meter.
Saturday, December 3, 2011
How can nouns level be tested?
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment