.TH FM_DEMOD 1 2015-02-24 fm_demod "User commands"
.SH NAME
fm_demod \- a diagnostic tool for the codec2 library to create an audio file from signal samples.
.SH SYNOPSIS
.B fm_demod usage:
.IR InputFMRawFile
.IR OutputSpeechRawFile
.PP
.SH DESCRIPTION
.PP
Given an input raw file (44.4 kHz, 16 bit shorts) with a FM signal centered
11.1 kHz, outputs a file of demodulated audio samples.
.PP
.SH OPTIONS
The first argument, 
.IR InputFMRawFile
is the file name of a file with FM signal samples. If "-" is
given the input is taken from stdin.
.PP
The second argument, 
.IR OutputSpeechRawFile
is the file name of a file to be created with audio data. If "-" is
given the output is sent to stdout.
.PP
.SH "SEE ALSO"
.BR fsk_mod (1),
.BR fdmdv_mod (1),
.BR fdmdv_demod (1),
.BR fdmdv_get_test_bits (1)
.BR fdmdv_put_test_bits (1)