There are many tips and tricks for producing great sounding interviews from intial set up to post production. In this clip, Sam Coley, Degree Leader for Radio at Birmingham City University shares his experience of capturing good quality audio and gives his top tips for recording on the move.
The BBC Academy has also created an online training course for broadcasters and people interested in new media which offers some fantastic advice for what kit you need and how to conduct a successful interview.
The post 10 Free Audio Programs to Use for E-Learning has some helpful suggestions on how to create and edit your own audio too as does this earlier post on using audio creatively in the MFL classroom and this one 10 Tips for Capturing e-Learning Audio. If you are looking for a more detailed explanation about upgrading your computer audio, check out this clip from The Mobile Classroom.
For advanced tips on producing great quality audio using Audacity, check out Daniel Lewis' new podcast The Audacity to Podcast which is full of useful tips for the experienced user. Likewise, for sound editing tips and the basics of Audacity, listen to Andy White's Podcasting Advisor podcast which is great too.
Last, but not least, there's always the brilliant Assignment: Podcast mini site by BT which goes over the basics of podcasting and getting the right sound.
Hope you find the links worthwhile.