sr = 16384 kr = 1024 ksmps = 16 nchnls = 1 instr 1 asig rand 32767, 0, 0 dispfft asig, 0.25, 4096, 0, 0, 0 out asig endin instr 2 asig rand 32767, 0, 0 asig2 butlp asig, p4 dispfft asig2, 0.25, 4096, 0, 0, 0 out asig2 endin