Tone Filter true 2 2 ilp = <LP> istack = <stack> icofreq = <cofA>+<cofB> cggoto (ilp == 1), doLP cggoto (istack > 1), doHPStack aout1 atone ain1, icofreq aout2 atone ain2, icofreq goto end doHPStack: aout1 atonex ain1, icofreq, istack aout2 atonex ain2, icofreq, istack goto end doLP: cggoto (istack > 1), doLPStack aout1 tone ain1, icofreq aout2 tone ain2, icofreq goto end doLPStack: aout1 tonex ain1, icofreq, istack aout2 tonex ain2, icofreq, istack goto end end: LP 31 19 Lowpass? true stack 31 60 1.0 10.0 1.0 1.0 150 94 89 Num. In stack cofA 34 118 0.0 1000.0 1.0 650.0 300 cofB 35 161 0.0 20000.0 1000.0 0.0 300 132 193 Cutoff Freq.