A ‘Reflection’, in the sound world, is when a sound wave bounces off of a wall or other hard surface.

The reflections in a room cause the phenomenon known as reverb. Reflective rooms are generally more reverberant.

A room with no reflections is known as an anechoic chamber. Such a room is so quiet that you can hear your own heart pumping.

Rooms used for audio work often need to be treated to reduce reflections, by hanging absorption panels or diffusers.

diagram representing how sound reflections reach the ear

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