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sci.room-acoustics-RT60 Calculator
Calculates room acoustic reverberation time RT60 from absorption data and room volume using both Sabine and Eyring equations. Target RT60 for speech intelligibility: 0.4–0.6 s — recording studios 0.2–0.4 s; concert halls 1.8–2.2 s; cathedrals 3–8 s.
Inputs
V M3
Three-dimensional space occupied (m³ or L). 1 m³ = 1,000 L.
S M2
Two-dimensional surface extent (m²). For complex shapes, break into simpler sub-shapes and sum.
Alpha Avg
Age in completed years. Many health and fitness formulas adjust for age.
Extra Absorption M2
Reference formula or conversion factor shown for context.
Results
RT60 reverberation time (s)
The proportional relationship between two quantities.
total absorption A (m² Sabine)
The combined total across all inputs and components.
RT60 = 0.161 V / A
Reference formula or conversion factor shown for context.
ideal RT60 by use
Reference formula or conversion factor shown for context.
status
Current state of the system, process, or metric — typically pass/fail, healthy/warning/critical, or a descriptive classification.