Radio Glossary voice/voicer : the person who records his /her voice on mic in actuality :someone who expresses in language; someone who talks (especially someone who delivers a public speech, one that voice :actuality. recorded segment of a newsmaker speaking, generally lasting from 10 to 20 seconds; this is what people outside of radio journalism often call a "sound bite" Radio actualities, also known as newsmaker sound bites, are a mainstay of radiobroadcast journalism. Strauss Media Strategies, Inc. can record and distribute audioactualities to targeted radio stations to fit the needs of just about any radiooutreach campaign commentator:A commentator is a broadcaster who gives a radio or television commentary on an event. ambiance : ambience (also known as atmosphere, atmos, or background) consists of the sounds of a given location or space. It is the opposite of "silence." ambient sound:Ambient sound (AKA ambient audio, ambience, atmosphere, atmos orbackground ...