About background noise results of 10,000
19:41
19:29
19:23
15:50
15:40
26:50
14:29
23:55
16:37
30:20
22:19
17:40
19:09
17:39
31:26
21:57
18:31
18:51
18:18
15:20
18:40
21:34
16:59
16:45
15:33
21:15
16:46
18:40
23:02
18:52
15:02
16:06
14:38
22:26
27:48
16:55
15:06
23:38
24:22
17:13
20:37
15:43
23:31
18:25
15:00
19:24