At, we follow the aforementioned guidelines and we automatically encode all your episodes into mp3 at 128kbps, 44.1kHz, stereo

The final quality resulting from our encoding process is in full alignment with radio and music industry standards, including (but not limited to), the Apple audio requirements for podcasts creators.

If you would prefer us to not process your episodes, just upload them in mp3 format encoded at 128kbps and 44.1kHz, so your files will pass through our filters without any alteration.

See also our Audio Quality Guidelines for podcast episodes.