Sound is pressure — the louder the sound, the greater the pressure. The greater the pressure, the more damage it can do to your ears. If you’re in a noisy environment, it’s important to know how ...

The sound meter was built with piezoelectric buzzer in reverse, as a microphone which makes a single transistor amplifier demonstrate its functionality. This leads the piezoelectric element to make ...

Editor's Note: We have strived to maintain accessibility in our Bring Science Home activities by limiting the required technology. We recognize technology is now more widely available than it was when ...

An instrument for measuring the level of sound pressure in DECIBELs. Such measurements are called sound level readings. See: SOUND LEVEL. Sound level meters usually ...

An instrument for measuring the level of sound pressure in decibels. Such measurements are called Sound Level readings. See: Sound Level. Sound level meters usually ...

The circuit is designed to measure and monitor the level of an input audio signal by displaying an on the spot reading and not the peak reading. Audio or Sound Level – refers to the intensity, amount, ...