use a decibel meter
Take a sound pressure level meter and measure it. 95 decibels means over the is 0 decibels is the threshold of hearing. 95 decibels means the measure over 0 decibels.
decibels
A drum kit is no decibels. The decibels depends how close you measure to the bat. The closer - the louder! And the louder you play the more decibels you get. The distance is very important if you measure with a sound pressure level meter.
Decibels
sound
Decibels are a logarithmic measure of a factor or a ratio and that has really nothing to do with metric or imperal.
decibels
Decibels/sound.
Decibels are the measure of how loud something is.
decibels measure the intensity of sound.
Decibels are really more a measure of sound level. 65 decibels would be about the level of normal conversation or laughter.
by loudness decibels by frequency hertz by wavelength any power of meter