Room Acoustics Calculator
Calculate room reverb time, room modes, and acoustic characteristics.
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RT60
1.67 s
Volume
64.2 m3
Absorption
6.2 sabins
Room Type
Lecture hall
Room Modes (below 300 Hz)
31.3 Hz
Axial (1,0,0)
40.2 Hz
Axial (0,1,0)
50.9 Hz
Tangential (1,1,0)
62.5 Hz
Axial (0,0,1)
62.5 Hz
Axial (2,0,0)
69.9 Hz
Tangential (1,0,1)
74.3 Hz
Tangential (0,1,1)
74.3 Hz
Tangential (2,1,0)
80.4 Hz
Axial (0,2,0)
80.6 Hz
Oblique (1,1,1)
86.2 Hz
Tangential (1,2,0)
88.4 Hz
Tangential (2,0,1)
Room Acoustics
RT60 is the time for sound to decay by 60 dB. Ideal RT60: studios 0.3-0.5s, home theaters 0.8-1.2s. Room modes cause bass buildup at specific frequencies.
Disclaimer: This tool is provided as-is for informational and educational purposes only.