osc 1 output_0 false Internal output 1600 1200 triangle_fcsc_oa_0 false LADSPA triangle_fcsc_oa triangle_1649.so 1435 1174 triangle_fcsc_oa_0 Output output_0 out default triangle_fcsc_oa_0 Frequency 158.735260 triangle_fcsc_oa_0 Slope 0.286579