4. The method according to claim 3 , wherein the user profile further includes data related to the acoustic environmental data includes a background noise value that corresponds to an operating environment of a mobile communications device.
4. The method according to claim 3 , wherein the user profile further includes data related to the acoustic environmental data includes a background noise value that corresponds to an operating environment of a mobile communications device. 8. The method according to claim 4 , wherein the user profile includes data related to a transducer and a distortion value is determined based on a difference between an actual transducer in the mobile device and a response characteristic of a transducer used to train the speech recognition model.