pvsdiskin — Read a selected channel from a PVOC-EX analysis file.
Create an fsig stream by reading a selected channel from a PVOC-EX analysis file, with frame interpolation.
Sfname -- Name of the analysis file. This must have the .pvx file extension.
A multi-channel PVOC-EX file can be generated using the extended pvanal utility.
ichan -- (optional) The channel to read (counting from 1). Default is 1.
ioff -- start offset from beginning of file (secs) (default: 0) .
ktscal -- time scale, ie. the read pointer speed (1 is normal speed, negative is backwards, 0 < ktscal < 1 is slower and ktscal > 1 is faster)
kgain -- gain scaling.