How to Record a Podcast with People in Multiple Locations

An interviewer [...] would be videotaped conducting an interview via a long-distance phone call to the interviewee in another part of the world. This interviewee [...] would be videotaped as he was being interviewed. This videotape would then be sent to the interviewer’s city and synchronized with the videotape of the interviewer [...] and the higher-quality sound of the videotapes would be used instead of the telephone audio.