Audios comparison in flash/as3/flex

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Description

Experience Level: Expert
I like to have a feature in flash AS3/flex that allows 2 audios to compare each other. Audio formats are flv or mp3. Ideally I would like to compare a flv to a mp3. This feature has two main functions:

1) first audio(flv) is pre-recoreded with texts. The second audio(mp3) is recored live by a user. after user finish recording, the program is able to regconise the newly recorded texts and check if they match the pre-recorded texts. This is something to do with speech recognition.

2) the program is able to compare the tones/pitch of the two audios. This may be something to do with the auido wave/frequency.

please ask if you have any question.

thanks

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