How to track rate of speech

Question

I am developing an iPhone app that tracks rate of speech, and hoping to use Nuance Speechkit (https://developer.nuance.com/public/Help/DragonMobileSDKReference_iOS/SpeechKit_Gui

Answer 1

There are easier ways, for example you can use CMUSphinx with phonetic recognizer to recognize just phonemes instead of words. It would work locally on the device and will be very fast. From the rate of phones you can calculate the rate of words with pretty high accuracy.