12. A method for multichannel avionics communication, the method comprising: configuring a software defined radio to generate digitized audio data for a plurality of voice communication channels; audibly reproducing voice communication received over a first channel of the plurality of voice communication channels from a first portion the digitized audio data; applying a trigger word speech recognition algorithm to at least a second channel of the plurality of voice communication channels from a second portion of the digitized audio data to detect a message containing a trigger word; and when a trigger word is detected, storing a communication containing the trigger word and generating an alert.
12. A method for multichannel avionics communication, the method comprising: configuring a software defined radio to generate digitized audio data for a plurality of voice communication channels; audibly reproducing voice communication received over a first channel of the plurality of voice communication channels from a first portion the digitized audio data; applying a trigger word speech recognition algorithm to at least a second channel of the plurality of voice communication channels from a second portion of the digitized audio data to detect a message containing a trigger word; and when a trigger word is detected, storing a communication containing the trigger word and generating an alert. 19. The method of claim 12 , wherein configuring the software defined radio to generate digitized audio data for a plurality of voice communication channels is based on one of both of: an aircraft position; or a flight stage for the aircraft.