That is cool. I was thinking pattern matching sounds and then matching a pattern through logical association. IE same pattern at two different spots implies th

That is cool. I was thinking pattern matching sounds and then matching a pattern through logical association. IE same pattern at two different spots implies the car is at those same two spots. But this is literally viewing the world through sound pressure levels. It doesn't care what the noise is, as long as it's loud. Which fits the use case here.