The distance to the reflecting surfaces always leaves an acoustic footprint.

A method and system for generating an acoustic fingerprint of a digital audio signal is presented.

An acoustic fingerprint is a condensed digital summary generated from an audio signal.

Its particularly low acoustic footprint makes the H145 one of the quietest helicopters in its class.

Its particularly low acoustic footprint makes the H145M the quietest Helicopter in its class.

Its low acoustic footprint makes the Airbus H145 the quietest helicopter in its class.

Its low acoustic footprint makes the H145 the quietest helicopter in its class.

The low acoustic feature of the Airbus H145M makes it the quietest helicopter in its class.

Its particularly low acoustic footprint makes the H145M the quietest Helicopter in its class.

Its particularly low acoustic footprint makes the H145 one of the quietest helicopters in its class.

Its particularly low acoustic footprint makes the H145M the quietest Helicopter in its class.

Its particularly low acoustic footprint makes the H145M one the quietest helicopters in its class.

Its particularly low acoustic footprint makes the H145M the quietest helicopter in its class.

Its low acoustic footprint makes the H145M the quietest helicopter in its class.

Its particularly low acoustic footprint makes the H145 the quietest helicopter in its class.