fmit(1) Free Music Instrument Tuner


There are no command line options.


The Free Music Instrument Tuner (fmit) is a graphical sofware for tuning your music instrument using QT as gui library.
For the sound input library you can choise to use ALSA or JACK.
fmit contain all features of a standard hardware instrument tuner.

You choise the tuning frequency corresponding at your tuning note, and when you play it, fmit display your error margin.

Other views are availables, corresponding to more advanced and specific features like a microtonal tuning with more precision about you error margin, and a view of the harmonics ratio.
Currently 6 views are availables:

1A small view of the captured sound.
2An history of the pitch error.
3An history of the sound volume.
4The shape of the wave-length.
5Harmonics ratio (the formants).
6A microtonal tuning view.


Please report bugs via <>.


fmit is written and maintained by Gilles Degottex <[email protected]>.


fmit can be found at: <>


Copyright (C) 2004-2015 Gilles Degottex <[email protected]>
Licensed under the GNU Public License V2.

This manual page was written by Ludovic RESLINGER <[email protected]>, for the Debian project (but may be used by others).