3. The method as claimed in claim 1 , wherein the processing device ascertains the recognition text from the first and second recognition results based on an environmental parameter, which describes a current recognition situation in the motor vehicle, and/or a current vehicle state.
5. The method as claimed in claim 3 , wherein the processing device ascertains the recognition text from the first and second recognition results based on the current vehicle state, and the current vehicle state relates to at least one of whether a telephone has recently been activated and whether a warning has recently been output to the user.