Svantek SV 973, User Manual

Page: 96 / 212

SVAN 973 User Manual 96
RT60 Settings Screen that enables setting the reverberation time
measurement parameters:
Start Delay, Method,
Recording Time, Time Step, Averaging, Noise
Mar., Octave, Freq. Range, Logger Name
and
Level .
Manual
12.2
Start Delay Delay between pressing the <Start> key and the
start of the RT60 measurement. Manual
12.2
Method Method of the RT60 calculation: Decay
(Interrupted Noise Method) or Impulse (Impulse
Response Method). The selection of the method
depends on the used type of the sound source.
Manual
12.2
Recording Time Time of measurement data (sound pressure level
decay
curve) registration during RT60
calculations: 1s .. 30 s or Auto .
Manual
12.2
Time Step Time-step of data registration (sound pressure
level) in the file during RT60 calculations:
2, 5, 10,
20, 50 ms .
Manual
12.2
Averaging Averaging of the reverberation time results from
several measurements during RT60 calculations. Manual
12.2
Noise Mar. Margin value to the calculated noise level for RT60
calculations:
0
÷ 20 dB
.
Manual
12.2
Octave Type of spectrum (1/1-octave or 1/3-octave)
based on which the RT60 analysis is performed. Manual
12.2