Free training courses
There is a whole separate section for training courses pertinent to DMTA courses:
Theatre crafts - Technical training resources
You have access to this if you are signed in with your College username and password.
"The best free cultural and educational media on the web".
Open Learn (from the Open University)
Over 650 free online courses from The Open University. Not all will be relevant, but there is one in the Arts and Humanities subject area that might be useful: Approaching plays.
WSDG - Walters Storyk Design Group
Senior Partners and Acousticians for WSDG are involved in active teaching and lecturing schedules. John Storyk, Dirk Noy and Sergio Molho lecture on a frequent basis and many of these lectures are open to the public and/or available at a low cost.