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Influence from ambient noise could have affected the peak as our anechoic chamber is not very sound proof below 150Hz.

A compact range is an anechoic chamber with a reflector to simulate far field conditions.

Full anechoic chambers aim to absorb energy in all directions.

It is claimed to have the world's largest anechoic chamber.

And in an anechoic chamber, Sean experiences what might be the most frightening sound of all - absolute silence.

The recordings were made in an anechoic chamber.

An acoustic anechoic chamber is a room designed to absorb as much sound as possible.

They also have an anechoic chamber for acoustic research into speaker design etc.

The music had been recorded in an anechoic chamber, a "dry" room free of sound reflections.

Most anechoic chambers are not designed for accurate measurement down to 20 Hz.