What is an acoustic vector sensor?

 

It hears the sound and understands its direction

An acoustic vector sensor (AVS) measures both sound pressure and particle velocity, allowing it to detect sound and its direction. Unlike conventional hydrophones, it identifies the true direction of incoming acoustic energy.

This directional capability significantly improves signal-to-noise ratio. It separates useful signals from ambient noise and reflections. AVSs perform especially well in complex or noisy environments.

They are used for monitoring, leak detection, security, and underwater acoustics. In defense applications, compact digital AVSs can replace large hydrophone arrays and enable long-range acoustic communication.

 

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