Process / pipelineAcoustic measurement
RT60 Reverberation Time
RT60 (reverberation time) is the duration required for sound energy in a room to decay by 60 decibels after the source stops. Pioneered by Wallace Clement Sabine in 1900, RT60 is the most widely used single-number descriptor of room acoustic properties. It reflects how much sound is absorbed versus reflected by room surfaces and directly affects speech intelligibility, music clarity, and acoustic comfort.
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Sources
- Sabine, W. C. (1900). Collected Papers on Acoustics. Dover Publications. link ↗
- Schroeder, M. R. (1965). New method of measuring reverberation time. Journal of the Acoustical Society of America, 37(6), 409–412. DOI: 10.1121/1.1909343 ↗
- Eyring, C. F. (1930). Reverberation time in dead rooms. Journal of the Acoustical Society of America, 1(2), 217–241. DOI: 10.1121/1.1915050 ↗