Decibels (dB) are a unit for measuring sound. Since sound reproduction is critical for the home theater experience, it's ...

If your AV receiver’s setting is at, say, -25 dB, and you turn it up to -22 dB, that 3-dB increase in loudness should sound “slightly louder.” Going from -25 dB to -15 dB, an increase of 10 dB, should ...

The loudest land animal is the bulldog bat, whose sound registers at 140 dB. According to Cochlea.org, that’s outside of the threshold the human ear can hear. Bulldog bats are native to Central ...