Tech Repuloc have a nice article on how to set up Voice Attack and also mention ED and HCS Voice Packs.
If you're interested: http://www.techrepublic.com/article/how-to-control-your-windows-10-pc-using-voiceattack/
If you're interested: http://www.techrepublic.com/article/how-to-control-your-windows-10-pc-using-voiceattack/