Quiz 1

Question 1

What are the three parts of the ear?

Answer 1

1. Outer
2. Middle
3. Inner

Question 2

What is the proper name for the eardrum?

Answer 2

Timpanic Membrane

Question 3

Where is the eardrum located?

Answer 3

Between the outer and middle ear

Question 4

What are the Three Ossicles?

Answer 4

1. Malleus
2. Incus
3. Stapes

Question 5

What is the Stapes connected to?

Answer 5

The Oval Window

Question 6

What are the parts of the Cochlea?

Answer 6

1. Basilar Membrane

2. Organ of Corti

Question 7

What does the Basilar Membrane do?

Answer 7

Vibrates according to the transmitted waves

Question 8

What does the Organ of Corti do?

Answer 8

Rest along the Basilar Membrane and contain receptor hairs

Question 9

What is the Haas Effect (or Precedence Effect)?

Answer 9

If two reflections arrive within 30ms of each other, they are “fused” into the perception of the first sound. This perception includes time and source location

Question 10

What is the concept behind Masking Tones?

Answer 10

One frequency can mask others in the same band

Question 11

What do Flecther Muson Curves explain?

Answer 11

That two sounds of equal intensity may not be perceived with equivalent loudness. This perception is often due to differences pitch.

Question 12

What is the reference frequency for Fletcher Munson Curves

Answer 12

1kHz

Question 13

Wavelength Equation

Answer 13

Wavelength = (Speed of Sound)/frequency