Instructions

Reverberation Time (s) – A measure of the degree of reverberation
in a space. It is equal to the time required for the level of a steady
sound to decay by 60 dB after it has been turned off.
Sound Absorption – The portion of the sound energy that is
absorbed and not returned when a sound wave hits a surface.
Sound Reection – The portion of the sound energy that is
returned when a sound wave hits a surface.
Speech Privacy – It is the inability of an unintentional listener
to understand another person’s conversation. Lack of Speech
privacy is frequently related with acoustic dissatisfaction within
oces – e.g. overhearing unwanted conversations, or feeling
overheard.
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