Software for Analyse sound files, to recognize words?

I need help, i´m looking for a software so i can put a sound file and be able to analize it, and detect if the file contain a specific word or group of words, also if some shout or yell  in the file.
Thanks for any help
Who is Participating?
what you need is :

Dragon NaturallySpeaking 8 SDK (Dragon also has an interesting, but expensive, audio mining product)

Dragon AudioMining is a revolutionary solution that automatically makes it possible to use text keywords and phrases to search audio files. It does this by using the Dragon NaturallySpeaking speech recognition engine to create XML speech index data for every word spoken in audio files, allowing you to go to the exact location where the phrase was found. Using Dragon AudioMining the valuable information in news clips, government hearings, earnings announcements and analyst briefings can now be searched as easily as Web pages.

to find a yell you need a program which will graphically show you the characteristics of the sound namely pitch (tone) and energy the best and free program for that is
which is not simple since its mac oriented i.e. to open a file you go to "read" read from file" and then "edit" use a short wav file to try this.

so it is not easy what you want no easy solution.

another approach is to hear the tape very fast which can be done in windows media player which has fast play.
Irwin SantosComputer Integration SpecialistCommented:
keepkardAuthor Commented:
ok, i already search  trhough that software but its principaly for Dictate  and what i need is one who could analyse a sound file and detect if in the file there is one or several words, and also that can distinguish if someone yell
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