voicer

noun

1. One who voices something.

   “a voicer of controversial opinions”

2. One who fits or regulates the pipes of an organ so as to produce the desired quality of sound.
3. A spoken report to be broadcast.

   “This is a news report from the scene of the event. When a voicer and an actuality are combined into one complete story, it's known as a wrap.”

   “These reports usually come in the form of voice reports, or voicers, and voice-actuality reports.”