- Record the audio with Skype Call Recorder
- Save a copy of the audio file in a temporary directory
- Open the file in Garageband
- Remove extra audio from the beginning and the end
- Delete any problems in audio
- Apply the Compressor filter (manual config, threshold: ~ 30 dB, ratio: 30: 1, Attack: 10ms, gain: 4dB)
- Export to AIFF (uncompressed)
- Open the file in Audacity
- Use the filter Truncate Silence on the whole file (Level: -30dB, duration 0.3s, truncate to: 0.15s, compression: 50)
- Use the filter Normalize (Maximum range: -1dB)
- Export the file again as .AIFF
- Open one of the previous episodes on Garageband
- Use "Save As" to create a new episode copying the old structure
- Change the main audio
- Set the intro Vignette position
- Adjust the position of the other vignette
- Set the banner on the track "podcast" to stay in the audio end
- Increase the volume of the track of the conversation at most use AUPeakLimiter filter and increase by at least 10 dB
- "Share / Export" as MP3 (Music Podcast)
At least pass the audio through Levelator