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Re: phasor

Date1999-08-22 14:35
FromSherlock
SubjectRe: phasor
I just found the sample from the Csound Reference Manuel.
Sorry, I was going by what the book was showing.
I understand now. 
What I'm expecting is a sound. Any sound. 

Richard Dobson wrote:
> 
> You don't say what you are expecting, so it's difficult to answer this,
> but what you are getting is a very low frequency signal - som four
> cycles per score line. On the face of it, your value for kpch ranges
> from 12 down to 0.99 and less, so maybe you need a different scaling
> calculation. Drop 22050 by 12 octaves, and you do get down comfortably
> below the human frequency range.
> 
> Your f2 table has 16 elements, but you are scaling the phasor by 12, is
> that intentional? If you scale kpch by 12,24 or whatever, you can get
> something audible - but I still cannot say if it what you want!
> 
> Richard Dobson
> 
> Sherlock wrote:
> >
> > Could someone take a look at this and tell me where I went wrong?
> >
> > sr              =               44100
> > kr              =               4410
> > ksmps   =               10
> > nchnls  =               1
> >
> >                 instr   1
> > k1      phasor p5
> > kpch    table   k1 * 12, 2
> > a1      oscil   p4, cpspch(kpch), 2
> >         out a1
> >
> >                 endin
> >
> > ;Function 1 uses the GEN8 subroutine to compute a wave
> > f1  0 4096 10   1
> > f2  0 4096 10   1  .5 .333 .25 .2 .166 .142 .125 .111 .1 .09 .083 .076
> > .071 .066 .062
> >
> > ;inst  start   duration  p4         p5          p6    p7      p8   p9
> >
> > i1       0       1.75    10000       440
> > i1       2       1.75    20000       660
> > e
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> --
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