1. A system, comprising: a speech recognition unit configured to: receive a first control signal comprising a radio signal from a wireless first mobile device associated with a first user, wherein the first control signal is unrelated to speech of the first user; receive a first speech signal from the first user associated with the first mobile device; receive an audio signal from the first mobile device and determine a distance of the first user by measuring a difference in transmission time between the radio signal and the audio signal; and identify the first user from the first control signal and configure speech settings for speech recognition of speech by the first user based on the identity of the first user and the determined distance.
1. A system, comprising: a speech recognition unit configured to: receive a first control signal comprising a radio signal from a wireless first mobile device associated with a first user, wherein the first control signal is unrelated to speech of the first user; receive a first speech signal from the first user associated with the first mobile device; receive an audio signal from the first mobile device and determine a distance of the first user by measuring a difference in transmission time between the radio signal and the audio signal; and identify the first user from the first control signal and configure speech settings for speech recognition of speech by the first user based on the identity of the first user and the determined distance. 7. The system according to claim 1 , wherein the speech recognition unit is further configured to determine a position of the first user in relation to the speech recognition system.