Sounds above 80 dB can cause hearing damage, and we should limit the exposure to prevent hearing loss. Decibel apps are a convenient way to measure volume fairly accurately with your phone. Our ...

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 ...

Sound-level meter apps available for smart phones "can have a tremendous and far-reaching impact in the area of noise control," says the CDC. Do you have a favorite sound? Is it the sweet laughter of ...

Consumer Reports has no financial relationship with advertisers on this site. Squeaks, hums, rattles, beeps, chirps, chimes, whines, thumps, bangs—all sorts of noises come from the devices and ...

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, ...

This sound level meter circuit can be used to control the intensity of a sound recording or in a disco. It has 5 measurement domains between 70 and 120 dB; reading accuracy is 0.5 dB. Microphone M1 is ...