Reading Assignment [ R-5 ]

Read Chapter 5 of the textbook.

Upload a Word (.doc or .docx) or PDF file to Canvas with answers to the following questions. Put a blank line between each answer in order to make it easier to read. Use your own words. After the definition each term, create an example of using the word in a sentence.

Vocabulary

1. auditory canal
2. eardrum
3. eval window
4. basilar membrane
5. binaural listening
6. localization
7. decibel
8. sound pressure level
9. loudness
10. equal loudness curves (aka Fletcher Munson Curves) in Fig. 3
11. Phon
12. critical band
13. masking
14. hearing loss
15. audiogram

In addition to defining the above vocabulary, answer the following questions in your own words.

1. What part of your anatomy funnels the pressure wave into your auditory canal? (See Fig. 1)
2. What are the hames of the bones inside the middle ear?
3. What is the difference in the shape of cochlea in the inner ear in Fig. 1 with a more anatomically-correct diagram of the cochlea as shown here?
4. What determines where where vibrations will resonate along the basilar membrane?
5. How are the signals from the hair cells on the basilar membrane communicated to the brain?
6. What approximate frequency is the ear most sensitive to, as shown in the Fig. 3?
7. Why do you need two ears to localize the position of a sound sound, and to hear the stereophonic effect?