What is the difference between a voiceover and voiceover sound-on-tape?
A voiceover does not use audio from a video, a voiceover sound-on-tape uses audio from video.
A voiceover uses no audio, a voiceover sound-on-tape uses audio.
A voiceover has a reporter speaking, a voiceover sound-on-tape does not have a reporter speaking.
A voiceover is live, a voiceover sound-on-tape is pre-recorded