System for detecting microphone communications made under stress, and for mitigating propagation of stressed voice communications

A system configured to improve pilot voice communication, said system comprising:

• a microphone, said microphone configured to receive speech of a pilot during operational use of an aircraft and to transmit the received speech;
• and
• an audio subsystem, said audio subsystem comprising:
• a database configured to store a plurality of recordings of the received speech of the pilot by said microphone during multiple different periods of the operational use of the aircraft;
• a pilot recording selection graphic user interface, said pilot recording selection graphic user interface configured to provide a list of recordings of the pilot that were recorded during operational use of the aircraft by the pilot, and to permit selection by the pilot of one or more recordings made during a low stress period of the operational use of the aircraft by the pilot, and to permit selection by the pilot of one or more recordings made during a high stress period of the operational use of the aircraft;
• a training algorithm, said training algorithm configured to analyze characteristics of each said selected one or more recordings made during the low stress period of operational use of the aircraft by the pilot to determine a base level of speech characteristics of the pilot during the low stress period;
• said speech characteristics comprising one or more of:
• pitch, and volume;
• wherein said training algorithm is further configured to analyze real-time speech of the pilot;
• wherein when the real-time speech comprises characteristics being increased by a threshold amount over the baseline characteristics, said training algorithm is configured to classify said analyzed real-time speech as being speech made under stress;
• and
• wherein said audio system is configured to use machine learning to alter and improve said analyzed real-time speech made under stress by conversion of the analyzed real-time speech made under stress to a normal voice tone by slowing down or speeding up the analyzed real-time speech made under stress without changing the original pitch of the audio contained therein.