Tesla Audio Input in Emergency Vehicle, Honk: Tesla Starts Collecting Audio Input. FSD Will Listen for Emergency Vehicles & Honk. Tesla Software Version 2024.33.40 includes this new release note: Update to Data Sharing. This is clearly preparation for v13’s handling of emergency vehicles using audio inputs, likely from the cabin microphone. So FSD will soon be able to detect emergency vehicles by analyzing the sounds it hears. Interestingly, this will be done through the internal microphone—the same one used for voice commands. That’s because sirens are loud—loud enough for humans (and microphones) to hear them inside a moving car. In addition, by analyzing the actual sound of the incoming siren, FSD should also be able to make a reasonable determination about whether the siren is approaching or just echoing off the city streets using the Doppler effect and some fairly simple math.
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