Ok I worked out you have have to hav len of 2^n, unless for losic

> I tried this (below)straight out of the csound manual, just change
> "Sound.wav" and the length to "Sound.aif" and 52480, and it doesn't work, I
> get this error
>
> FTERROR, ftable 10: illegal table length
> f 10    0.0052480.00    1.00  "Sound.aif" ...
>
> I've tried different text editors, I'm using PPC version 'perf' 3.56 on an
> iMac. I was originally tring it with my own .orc and .sco was getting the
> same errors.
>
>
> ;;;;;;;;;;;;;;; graintest.orc
> instr 1
> insnd = 10
> ibasfrq = 32000 / ftlen(insnd) ; Use original sample rate of insnd file
> kamp expseg 8000, p3/2, 8000, p3/2, 16000
> kpitch line ibasfrq, p3, ibasfrq * .8
> kdens line 600, p3, 200
> kaoff line 0, p3, 5000
> kpoff line 0, p3, ibasfrq * .5
> kgdur line .4, p3, .1
> imaxgdur = .5
> ar grain kamp, kpitch, kdens, kaoff, kpoff, kgdur, insnd, 5, imaxgdur, 0.0
> out ar
> endin
> ;;;;;;;;;;;;;;; graintest.sco
> f5 0 512 20 2 ; Hanning window
> f10 0 52480 1 "Sound.aif" 0 0 0
> i1 0 10
> e