voicer

noun3

1. •
   One who voices something.

   • a voicer of controversial opinions
2. •
   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. — 2005
3. •
   One who fits or regulates the pipes of an organ so as to produce the desired quality of sound.