7. A method of recognizing spoken input received from a source of the spoken input wherein the method comprises steps of: a. receiving the spoken input from the source of the spoken input: b. performing a first pass speech recognition technique on the spoken input; c. forming first pass results; and d. selectively performing a second pass speech recognition technique on the spoken input according to the first pass results; wherein the first pass results include alignments of speech and silence of the spoken input and wherein when the second pass speech recognition technique is performed, the second pass speech recognition technique does not process at least some portions of the spoken input which are aligned to silence.
7. A method of recognizing spoken input received from a source of the spoken input wherein the method comprises steps of: a. receiving the spoken input from the source of the spoken input: b. performing a first pass speech recognition technique on the spoken input; c. forming first pass results; and d. selectively performing a second pass speech recognition technique on the spoken input according to the first pass results; wherein the first pass results include alignments of speech and silence of the spoken input and wherein when the second pass speech recognition technique is performed, the second pass speech recognition technique does not process at least some portions of the spoken input which are aligned to silence. 8. The method according to claim 7 , wherein the first past results include a margin of silence employed before and after each utterance of the spoken input.