Question:

What is In-Up-Down-Out means ?

A.

The voice of a conversation that is carried out directly in front of the microphone to create the impression of an indirect conversation (from a distance)

B.

The increment of sound gradually, from slowly then getting louder

C.

The music in radio ad goes into standard volume and then decreases, and disappears

D.

The music in radio ad goes into a standard volume and then becomes the background of the ad

Answer» c. The music in radio ad goes into standard volume and then decreases, and disappears