4. A method according to claim 3 wherein a browser records the first and second user utterances and sends utterance data, prompt count and a previous utterance reference to an automatic speech recognition engine (ASR) of the speech recognition system and the ASR performs compensated speech recognition when the prompt count indicates that the second user utterance is a repeat utterance.
3. A method according to claim 2 wherein the compensated speech recognition takes the acoustic difference into account by assuming the second user utterance has an amplified or diminished acoustic difference.