> depending on the audio signal, I render the files at 176400 Hz (4x),
> 352800 Hz (8x) or 705600 Hz (16x). The only problem with this is that
> some csound opcodes does not like high sample rates (especially
> some filters)

Why does the sampling rate have an effect on the function of an
opcode ? I mean, the only thing that changes is the ratio of the
processed frequencies to the sampling rate.

> > But the bigger problem is that csound doesn't like writing to a pipe:
> > soundfile write returned a bytecount of 3072, not 8192
> > (disk may be full...
> > closing the file ...)
> > 0 8192-byte soundblks ....
> 
> Try to use headerless (raw) file format. WAV needs seeking which is not supported
> by pipes/fifos.


I just tried. Same effect:

soundfile write returned bytecount of -1, not 8192
(disk may be full...
 closing the file ...)