-const int SignalFilter::FILTER_ABS_SINC = 1;
-const int SignalFilter::FILTER_ABS_G_HAMMING = 2;
-const int SignalFilter::FILTER_ABS_COSINE = 3;
+const int SignalFilter::FILTER_ABS_G_HAMMING = 1;
+const int SignalFilter::FILTER_ABS_COSINE = 2;
+const int SignalFilter::FILTER_ABS_SINC = 3;