<CsoundSynthesizer>
<CsOptions>
</CsOptions>
<CsInstruments>

ksmps = 128
nchnls = 2

instr 1
  kx line -1, p3, 2.5
  
  ky bpf kx,        \
         0,    0,   \
         1.01, 10,  \
         2,    0.5, \
         2.5,  -1

  ; the same expressed as a table (notice that we need to scale and
  ; limit kx). It gets even more complicated with breakpoints with
  ; negative x
  itab ftgenonce 0, 0, 1000, -27,  \
         0, 0,    \  
       101, 10,   \
       200, 0.5,  \
       250, -1,   \
      1000, -1

  ky2 tablei limit(kx, 0, 2.5)*100, itab

  printks "kx: %f   ky: %f   ky2: %f \n", 1/kr, kx, ky, ky2

endin

</CsInstruments>
<CsScore>
i 1 0 2

</CsScore>
</CsoundSynthesizer>