He wrote words using phonetic characters.

His way of speaking has a lot of guttural sounds, it's very distinctive.

The sound pressure of this concert is very high.

32 degrees Fahrenheit is 0 degrees Celsius.

Today's Celsius temperature is 25 degrees.

What is the melting point of this substance in Celsius temperature?

He is an expert in musicology and has a deep knowledge of classical music.

Last night, I was startled by a sudden explosion sound.

A wonderful sound flowed from his piano.

He is good at playing the piano, and has a very good sense of sound.