methods and systems are provided for processing speech inputs for a controlling one or more vehicle systems of a vehicle . in one embodiment , a method includes : receiving speech input from an audio channel ; performing , by a processor , speech recognition on the speech input to obtain recognized results ; determining , by a processor , an accuracy level of the audio channel based on a comparison of the recognized results and predictive phraseology ; determining , by a processor , an integrity level of the audio channel based on situational awareness information ; communicating the recognized results , accuracy level , and the integrity level to a vehicle system ; and selectively using the recognized results by the vehicle system based on the accuracy level and the integrity level .