5. The method of claim 4 , and further comprising isolating the expected audio and unexpected audio to form an actual response provided by the user, the actual response including both the expected audio and the unexpected audio.
5. The method of claim 4 , and further comprising isolating the expected audio and unexpected audio to form an actual response provided by the user, the actual response including both the expected audio and the unexpected audio. 6. The method of claim 5 , wherein isolating comprises determining boundaries of the actual response in the expected audio and unexpected audio and combining the expected audio and unexpected audio to form the actual response based on closeness of the expected audio and the unexpected audio.