This approach requires an announcer with an authoritative, strong ...

[KimWrice]

This approach requires an announcer with an authoritative, strong voice (but not necessarily a deep one):
 
  a. sincere
  b. whimsical
  c. hard-sell
  d. dramatized

Question 2

The cocktail party effect refers to the human hearing perception ability:
 
  a. of our ears to tire when overexposed to loud environments.
  b. to perceive directional location of sound source.
  c. of heightened midrange sensitivity in the vocal range.
  d. to focus on a single sound in the midst of many sounds.

[Pswine]

Answer to Question 1

.C

Answer to Question 2

D

[KimWrice]

Gracias!

[gcook]

Thanks for the timely response, appreciate it