Change history of signal processing

Rev	Date	Modified by	Minor edit	Spam	WikiText	Revert to
5	2016-01-20 20:34:03	pooryorick	no	no	5	5
4	2016-01-20 20:17:20	pooryorick	no	no	4	4
3	2015-04-04 15:29:23	pooryorick	no	no	3	3
2	2015-04-04 15:28:32	pooryorick	no	no	2	2
1	2014-04-08 15:20:10	pooryorick	no	no	1	1
0	2014-04-08 15:19:47	pooryorick	no	no	0	0