Having worked in the sound recognition field in mobile space (bird sounds) I know about this hard process a bit. Mostly I was using predefined algorithms and just implemented them in c#, but my poor knowledge and puny brain would never do such amazing stuff!
[youtube=http://youtu.be/Nu-nlQqFCKg]
Natural UI comes to life! You can always see that some awesome MS Research powered speech recognition displayed on MS keynotes almost in real-time, but yesterday’s article on The Next Web highlighted the new addition to that wonderful feature: same voice tone speech translation in Mandarin! Check this out!