
You'll also want Microsoft Speech Platform - Software Development Kit (SDK) (Version 11). I highly recommend Microsoft Server Speech Text to Speech Voice (en-US, ZiraPro) as an English voice. If not you'll have to grab another voice Microsoft Speech Platform - Runtime Languages (Version 11). If it says "Microsoft Anna - English (United States)" then, yes you already have an English voice.) Text to speech and look at your voice selection. ( Check first by going into your control panel->speech recognition->

The first thing I'd do is grab an English voice if you don't have one already. but I'm guessing you'd want something less complicated than that. There are several ways you can get English sounding output using IPA ( International Phonetic Language) and SVSFIsXML as a flag in your speak call.

Chances are that your OS only came with one voice as it is.
