Manual in PDF with 16 experiments that can be carried out.

Topics covered

- oscillatory movement
-Graphic representation of the oscillatory movement
-When we hear a sound
-Because we hear a sound
-The acoustic waves
-How sounds are transformed into acoustic waves
-The ear: a receiver of acoustic waves
-The ear-brain system
-Audibility limits
-The distinctive characteristics of sounds
-The sensitivity of the hearing aid
-How to strengthen auditory sensitivity
-The stereo
-The echo, reverb and sonic boom
-Hearing aid care