peak sound pressure การใช้

What a dB meter does not show is that, although both rifles produce the same peak sound pressure level ( SPL ), the . 300 Winchester Magnum holds its peak duration longer meaning that the . 300 Winchester Magnum sound remains at full value longer, while the . 308 peaks and falls off more quickly.
At a distance of 1 metre from the burrow, the sound has a mean power over the stridulation cycle of up to 88 decibels; the loudest recorded peak power was about 92 decibels; at the mouths of the burrow, the sound reaches around 115 decibels . " G . gryllotalpa " can deliver a peak sound pressure of 72 decibels and a mean of about 66 decibels.