Absorption Coefficient

(symbol: α) The practical unit between 0 (no absorption) and 1 (full absorption) expressing the absorbing properties of a material. This is basically specified per octave or 1/3 octave. Absorption may exceed 100% (or a >1) when the surface area seems larger than the area it covers (applies typically only at high frequencies).

Background Knowledge

10 important facts about acoustics for microphone users

If you want to get the best out of your microphones, it is a good idea to have some knowledge of acoustics. This article takes you through 10 of the most important terms and facts.

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