period two
Sound Perception and
Rating Methods
notes
Fundamentals of HVAC Acoustics
period two
Sound Perception and Rating
Methods
Figure 18
The study of acoustics is affected by the response of the human ear to sound pressure. Unlike electronic
The Human Ear
middle ear
outer ear
nerves to brain
auditory canal
eardrum | Figure 19 |
|
Human Ear Response
The ear acts like a microphone. Sound waves enter the auditory canal and impinge upon the ear drum, causing it to vibrate. These vibrations are ultimately transformed into impulses that travel along the auditory nerve to the brain, where they are perceived as sound. The brain then analyzes and evaluates the signal.
15 |
