Following up on the Take Your Place in the Inquisition promotion, BioWare just posted another blog article. This includes a video where you can see how voice acting is done by Claudia Black who plays Morrigan in the Dragon Age series.
"It’s invaluable advice for any aspiring actors out there—especially if you’re planning on entering our contest to voice a character in Dragon Age: Inquisition. It’s not too late for all you golden-voiced procrastinators."
The video can also be seen here: