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- A scale of the percentage of the articulation loss of consonants. A
formula derived by V.M.A. Peutz based on distance, RT60, Volume of air
in the room, the N factor, and the Q of the source. A measure of how
difficult it is to understand someone in a room. The lower the number,
the better for speech intelligibility.
Source:
Church Audio & Acoustics Glossary
- The measured
percentage of Articulation Loss of Consonants by a listener. % Alcons of 0
indicates perfect clarity and intelligibility with no loss of consonant
understanding, while 10% and beyond is growing toward bad intelligibility, and
15% typically is the maximum loss acceptable.
Source:
http://www.owenscorning.com/around/sound/glossary.asp
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