1. A method comprising: receiving automatic speech recognition data from a mobile device, wherein the mobile device performs speech recognition using automatic speech recognition parameters based on the automatic speech recognition data; and transmitting, to the mobile device, a set of automatic speech recognition adaptation parameters which update the automatic speech recognition parameters of the mobile device, wherein the set of automatic speech recognition adaptation parameters is based on the automatic speech recognition data.
6. The method of claim 1 , further comprising normalizing the automatic speech recognition data using frequency warping.