As a human, we can hear the siren of an emergency vehicle approaching and take action (pull over, do not proceed into intersection etc) well before the emergency vehicle gets to us. How do autonomous vehicles such as those from Waymo/Cruise do this? Do they only take action when they “see” the blinking lights? Could a tow truck or other maintenance vehicle with orange blinking lights fool a autonomous vehicle into thinking it was an emergency vehicle?
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>If a Waymo detects that a police or emergency vehicle is behind it with flashing lights, it is designed to pull the vehicle over and stop when it finds a safe place to do so.
>The idea would essentially mean using a specially designed system containing **microphones** to identify and respond to different emergency vehicles.
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>According to the document’s abstract, after going through the information, the system would then “determine a location and/or a direction of travel of an emergency response vehicle.” The signals would also allow the tech to work out what type of emergency response vehicle was in the vicinity.
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> it is worth bearing in mind it is only at the patent application stage at the moment –and extensive testing and development would need to be carried out before it comes close to reality for production cars.
[https://www.iotworldtoday.com/transportation-logistics/nvidia-files-patent-to-help-self-driving-cars-detect-emergency-vehicles](https://www.iotworldtoday.com/transportation-logistics/nvidia-files-patent-to-help-self-driving-cars-detect-emergency-vehicles)
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