14. The method according to claim 8 , wherein the representation of the non-ASR audio is limited to speech feature data.
8. A method comprising: obtaining, by an input microphone on a mobile device, a sample comprising non-automatic speech recognition (ASR) audio; transmitting, by the mobile device and to a server, a representation of the non-ASR audio for server-side adaptation to channel-specific ASR characteristics; receiving, by the input microphone on the mobile device, a sample comprising unknown ASR speech input; transmitting, by the mobile device and to the server, a representation of the unknown ASR speech input; receiving, from the server, ASR results corresponding to the unknown ASR speech input; and outputting, by the mobile device, the ASR results.