CALCULATIONS ACOUSTICS 1)
The tables with results (T-30, D-50, C-80)
for different receivers (receiver 0 and 1)which were
The tables below shows all given results from
relevant for showing, how definition is much high-
Pachyderm, according to frequencies and sound
er when receiver are closer to source. Positions of
sources. The main parameters which are taken into
sound sources and receivers are shown in figure xx
consideration are: reverberation time (T-30), defini-
(picture section with sources in report part).
tion (D-50) and clarity (C-80). There are also results
T-30, D-50, C-80
FINAL RESULTS from Pachyderm T-30
62.5 hz 125 hz
250 hz
500 hz
1000 hz 2000 hz 4000 hz 8000 hz
priest
0.9 s
0,95 s
1.65 s
1.89 s
2.49 s
2.65 s
2.66 s
2.05 s
organ
1.2s
1.26 s
2.05 s
2.4 s
2.47 s
2. 74 s
2.88 s
2.27 s
choir
1.07 s
1.07 s
1.64 s
2.17 s
2.45 s
2.47 s
2.81 s
1.99 s
D-50 priest organ choir
62.5 hz 125 hz
250 hz
500 hz
1000 hz 2000 hz 4000 hz 8000 hz
rec.0
44.14 % 44.76 % 29.46 % 28.17% 11.67 % 12.45 % 20.37 % 20.59 %
rec.1
25.35 % 34.05 % 29.3 %
rec.0
39.93 % 31.36 % 22.75 % 25.45 % 13.74 % 18.78 % 15.11 % 25.05 %
rec.1
57.74 % 58.34 % 43.05 % 43.65 % 43.61 % 37.38 % 37.51 % 30.42 %
rec.0
63.02 % 65.63 % 55.98 % 39.98 % 35.22 % 43.05 % 37.89 % 47.51 %
rec.1
40.5 %
C-80 organ
7.63 %
38.56 % 19.73 % 9.58 %
21.32 % 14.82 % 22.98 % 11.94 %
6.34 % 19.3 %
62.5 hz 125 hz
250 hz
500 hz
rec.0
2.27 s
2.3 s
-1.76 s
- 2.71 s - 5.89 s - 4.5 s
rec.1
2.94 s
2.77 s
0.63 s
0.86 s
9.3 %
3.81 %
1000 hz 2000 hz 4000 hz 8000 hz 1.77 s
- 5.91 s - 3.97 s
- 0.08 s - 0.11 s - 1.22 s
MATERIAL absorption and scattering coefficient Appendix 116 coeff.
62.5 hz 125 hz
250 hz
500 hz
1000 hz 2000 hz 4000 hz 8000 hz