Speech transmission index
STI = speech transmission index
Room conditions: RT60 = 430 ms @ 1 kHz at room noise level (rated) = 40 dB(A) SPL (in accordance with IEC 60268-16) STIPA: 0.79
STI = speech transmission index
Room conditions: RT60 = 430 ms @ 1 kHz at room noise level (rated) = 40 dB(A) SPL (in accordance with IEC 60268-16) STIPA: 0.79