New type of speed camera...

[PaulyJ]

Wonder if this will come into play

http://www.leftlanenews.com/2006/04/...ased-on-sound/

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[oneightoo]

hmmm interesting..

would be keen to know how it works out the speed tho.. what if your flying down in a 60 zone doing 210kmph, and your sitting in neutral?

[PaulyJ]

thats exactly what i was thinking before
fly past, car in neutral, easy

[oneightoo]

all you would need is a list of where the cameras are located, which isnt hard to get.. approach the camera, slide into neutral, bang straight thru, and the camera is none the wiser..

[tmov81]

load of $hit... wont ever happen... it wouldnt ever work, and even if it did, why f$%king bother... lidar/radar is so much more cheaper and effective...

there is no way they could effectively isolate a single car automatically, and then determine whether the doppler effect from the exhaust note is the result of the car moving away quickly or the driver downshifting, etc etc...

what a pointless waste of money researching such a useless idea... the speed cameras are unreliable as is... and they are trying to introduce something even more unreliable... stupid people...

[oneightoo]

only in america

[Clint]

and what if u drive by with the sub making more sound that the actual car makes?? the sound from thew sub isnt consistent but some would be louder than the car

[EL BURITO]

that is just silly cos of the amout of varriables.

[180HOA]

load of $hit... wont ever happen... it wouldnt ever work, and even if it did, why f$%king bother... lidar/radar is so much more cheaper and effective...

there is no way they could effectively isolate a single car automatically, and then determine whether the doppler effect from the exhaust note is the result of the car moving away quickly or the driver downshifting, etc etc...

what a pointless waste of money researching such a useless idea... the speed cameras are unreliable as is... and they are trying to introduce something even more unreliable... stupid people...

Are you a scientist?

I only ask because I think you'd need to be to make that call... I'm not a scientist myself, so I can't think of a reason why sound-based speed-detection is any less legitimate than radar.

Perhaps the two could be used together to improve the reliability of the readings they provide?

[PaulyJ]

Its just another way of using a sonar type radar, like in submarines.
They're based on sound.
I think it could be possible.
Anything is possible with the right amount of money thrown at it.