This profile aims to resolve audio issues with Chromecast devices, using default settings audio from Plex can be very quiet, notably when characters are talking in a show, talking can be significantly quieter than the rest of the audio (sound effects, music .etc) by removing the aac audio codec this profile seems to improve the volume.
To use the Chromecast.xml profile simply download it from this repository and paste it into your Plex Media Server installation directory under C:\Program Files (x86)\Plex\Plex Media Server\Resources\Profiles
Be sure to save a backup of your original file before copying in this file.
Updated 2019-01-17