Profanity or anger ditection

 Does anything exist in the speech recognition framework to identify profanity or if a person is becoming angry? I know the anger detection might be a long shot, but I am sure applications built upon Tropo can at the very least detect profanity. As an example, let's say a disgruntled person calls and is upset. Let's assume they say their account number, but the IVR doesn't understand it. Can we get a transcript (in near real-time) of what Tropo thinks was said so we can pull out any profanity or vulgarity?


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