Traffic state detection using smartphone based acoustic sensing

Acoustic signals can prove to be efficient in monitoring the traffic state of the road, as various types of sounds can be acquired from the road like engine noise, honking etc. Smartphones have good microphones, which can acquire acoustic signals without much disruption.Since large numbers of people have smartphones, the traffic state detected using other smartphones can be transferred to them. This can help in saving their time from being stuck in traffic jams.

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