pvffft(1)

NAME
pvffft - does a fast fourier transformation.

SYNOPSIS
pvffft [options] [<pvffile>]

DESCRIPTION
pvffft does a fast fourier transformation of the input pvf samples and output the result in form of a table or decides, whether the input samples belong to a data call or to a voice call.

OPTIONS
pvffft [optons] [<infile.pvf>] Valid options are: -h brief help message -H <n> seconds to remove from the start (default is 0.0) -N <n> number of samples to analyse (default is 1024) -T <n> threshold for the voice/data decision (default is 1.0) -P <n> vgetty pid (default is no pid) -D display fft table

SEE ALSO
pvfamp, pvfcut, pvfechot, pvffile, pvffilter, pvfmix, pvfnoise, pvfreverse, pvfsine, and pvfspeed

AUTHOR
Mikkel L. Ellertson <mikkel@infinity-ltd.com>