I researched the two types of noises to find out which one is better to play on your sound machine while sleeping.

Chinese scientists' new acoustic technology could help detect submarines with near-perfect accuracy in the Arctic’s Beaufort ...

S3 is a low pitched sound. This is helpful to distinguish a S3 from a split S2 which is high pitched. A S3 heart sound should disappear when the diaphragm of the stethoscope is used and should be ...

HARRY: And the bigger ones make a 'low' noise. Harry taps a bigger saucepan with the ladle and it makes a lower pitched ding. The penny slowly starts to drop with Bella. BELLA: Ahh! Sì ...