1. The sound
What do you need to know about the sound?

2.  1 How is created the sound?
 2 How is propagated?
 3 How we hear?
The Sound

3.  How is created the sound?
When an object vibrates, it produces a
sound

4.  How is propagated the sound?
The vibration is propagated such a sound
wave

5. When the wave sound finds an obstacle, it
produces:
• Reverberation
• Echo

6.  How we hear?
The hearing gets the sound by the
tympanum, which vibrates and sends the
information to the brain
HEARING