Patent ID: 8515763

Claim:
A method for utilizing audio commands onboard an aircraft, the method comprising: identifying a flight phase for the aircraft, resulting in an identified flight phase; receiving an audio input, resulting in received audio input; filtering the received audio input in a manner that is influenced by the identified flight phase for the aircraft, resulting in filtered audio input; and validating the filtered audio input as a first voice command of a first plurality of possible voice commands, wherein validating the filtered audio input comprises: determining a plurality of possible initial command words based on the first plurality of possible voice commands, each possible initial command word of the plurality of possible initial command words corresponding to an initial command word of a respective voice command of the first plurality of possible voice commands; recognizing a first portion of the filtered audio input as a first command word of the first voice command based on the plurality of possible initial command words; determining a plurality of possible second command words that may follow the first command word of the first voice command based on a subset of the first plurality of possible voice commands, wherein the first command word corresponds to an initial command word for each possible voice command of a subset of the first plurality of possible voice commands and each possible second command word of the plurality of possible second command words corresponds to a second command word of a respective voice command of the subset; and recognizing a second portion of the filtered audio input as a second command word of the first voice command based on the plurality of possible second command words.