NAVIGATION SYSTEM WITH VOICE ASSISTANT MECHANISM AND METHOD OF OPERATION THEREOF

A navigation system includes: a communication circuit configured to: transmit a sensor data packet collected from an in-vehicle sensor array, and receive a route detail based on the sensor data packet; a control circuit, coupled to the communication circuit, configured to: calculate a cognitive load based on the sensor data packet and the route detail; and manage an audio interaction based on the cognitive load, includes delayed delivery of the audio interaction.