All of our surroundings are available to us in hearing
Kids who are hard of hearing more likely to get in accidents
Many people in jail have hearing loss
If people in class have hearing lossfall behindnot many friends (cant talk to
How Do We Make Sense of Our Surroundings from Sound?
- Frequency Analysis:
o Determining where something is coming from, figuring out who is on the
o Ability of the ear to hear individual frequencies that make up a sound
Review Auditory Transduction
1. Vibrating object produces airborne sound
2. Reflection and Interference pattern of pinnae and ear canal produce directionallydependent filtering and gain in amplitude
3. Area differential between tympanic memb
Are 2 ears better than 1?
Why not 3 ears?
What is the smallest change in a sounds location that we can detect?
What are the auditory cues for location?
What makes a sound appear outside of our head?
Azimuthal Angle: angl