Svantek SVAN 979 - Page 241

241
SVAN 979 User Manual - Appendixes
Word
number
Name
Comment
10
N
number of spectra bands
11
T
number of total results (if there is only one total result, it is calculated
with the same filter and in the same band as the spectrum – see offset
17)
12
Band
analysis band (approximate values):
0 – 40 kHz band
1 – 20 kHz band
2 – 10 kHz band
3 – 5 kHz band
4 – 2,5 kHz band
5 – 1,25 kHz band
6 – 625 Hz band
7 – 312 Hz band
8 – 156 Hz band
9 – 78 Hz band
13
Window
window function:
0 – Hanning
1 – Rectangular
2 – Flat Top
3 – Kaiser-Bessel
14
WindowFactor
window correction factor in 0.01 dB format
15
Averaging
type of averaging:
0 – linear averaging
1 – exponential averaging
16
TimeConst
time averaging constant in milliseconds (exponential averaging only)
17
Filter
spectrum measurement filter:
0 – HP
1 – Z
2 – A
3 – C
5 – B
18
InstFreq
frequency of instantaneous spectra counting
…
reserved
Table B.1.22. Reverberation time analysis parameters (RT60)
Word
number
Name
Comment
0
0nn1Ah
1Ah = block identifier
0nnh = block length in words
1
ResultsType
type of results included in the block with the identifier 1Bh:
1 – single measurement results
2 – averaged results
2
Method
measurement method:
1 – Decay
2 – Impulse
3
Spectrum
Type of measured spectra:
1 – 1/1 octave
2 – 1/3 octave