a short quote from the post :
"Beside of searching the terms mentioned in video or audio you can also with one click of the Play button jump to that video or audio sequence where actually the searched keyword is mentioned. For example: if you search for discussion about war simply input that word into the search field, and the best video result will be shown in the pane."
find the rest of it here :
DetectorPro: Google launches audio and video indexing
what do you think ?