Here are a few examples of podcast trailer promos and episodes:

Haunted AF TrailerChickedits
00:00 / 03:05
Look at Us Now Podcast TrailerChickedits
00:00 / 00:50
Listen to full episodes that I've produced:
Big Voices on Small Business Chickedits
00:00 / 28:02
Real Estate ExpressoChickedits
00:00 / 11:26
Shining StarChickedits
00:00 / 22:08
And here is my podcast:
Audiograms:
Hear before and after
editing sample:
Chickedits Editing SampleChickedits
00:00 / 02:21