I would be afraid of legal implications. It's one thing to block ads on web, where every element is basically a stand alone datafile and it's interpretation is

I would be afraid of legal implications. It's one thing to block ads on web, where every element is basically a stand alone datafile and it's interpretation is by design the matter of client. But in podcast, you are essentially taking someone's copyrighted audio file, modifying it and redistributing the modified version without consent of the original producer. Or am I missing something?