It is said that a ghost lives in this old house.

His voice sounded very gentle.

Where did you get the source of sound for this song?

This is the second time he's been late. Well, they say what happens twice will happen three times.

I owe him a great obligation.

This audio is very clear.

The greenhouse effect is causing the earth's temperature to rise.

An affricate refers to a specific type of sound in phonetics.

A labial sound is a sound that is pronounced using the lips.

Plosive sounds play an important role in linguistics.