Sound Production - What is sound?

All the sounds are vibrations traveling through the air as sounds waves Sound  waves are caused by the the vibrations of objects and radiate outward from their source in all directions and the vibrations compresses the surrounding air molecules 

The sound waves are measured in milliseconds and also is the measured by Db.







Frequency

Frequency is the rate, or number of times per second, that a sound wave cycles from positive to negative to positive again. Frequency is measured in cycles hertz (Hz). 

Amplitude 

Amplitude refers to the strength of a sound wave, which the human ear interprets as 
volume or loudness.