Please note that this is still a work in progress.
There are several volume sliders available here so you can customize the levels for each, note that the master volume slider affects ALL volume
You can enable/disable Streaming music, Media and Voice Chat from the the check-boxes to the right of their respective volume sliders
Allow Media to Auto-Play > with this enabled media will play automatically (not recommended)
Allow resident scripts to play media >will allows scripts to automatically start media (not recommended)
Play media attached to other avatars > enables media attached to other avatars
Enable media filter > (increased security) this will let you control what media stream you connect to, allowing you to whitelist or blacklist any media stream.