You can easily add sound files to QTVR panoramas with Squamish Media Group softare (Sound SaVR). Adding maps is also easy with MapSaVR.
http://www.smgvr.com/

This movie has a sound file added to it. You can hear shorebird when you scroll around towards the marsh wetlands.
 

Move your mouse over the picture as you hold down the left mouse button, the hut will turn!