Shifting pitch in a MIDI file?

Ralf Mardorf ralf.mardorf at
Mon Dec 13 23:43:43 GMT 2010

On Mon, 2010-12-13 at 17:21 -0500, Neil Jensen wrote:
> Just a thought, but maybe try a different virtual keyboard.

The keyboard has nothing to do with this issue, just the sound sources,
e.g. a virtual synth could be relevant.

If there isn't an issue regarding to sample rate conversion, I would
recommend to do an additional install, for the whole distribution, resp.
to test another distro.

> On 12/13/2010 10:06 AM, Angel de Vicente wrote:
> > Hi,
> >
> > On 13/12/10 14:54, Ricardo Lameiro wrote:
> >> Nice that you found a solution, but it seems to me that you could have
> >> some problem with sample rates. maybe you are playing a 44.1ks/s in
> >> 48kS/s this could pitch up or the reverse pitchdown. This is often
> >> overlook. maybe someone more experienced on this matter can contribute
> >> some ideas in here.
> > I'm a complete newbie on these matters, so I might be completely wrong,
> > but I thought that sample rates were relevant to audio files, but not to
> > MIDI files? Well, I think the problem is not even related to the MIDI
> > file: If I just play A in the Virtual Keyboard, it does not play a 440Hz
> > A, it is somewhere around C.
> >
> > Any ideas where to look for what could be wrong with my software/computer?
> >
> > Thanks,
> > Ángel de Vicente

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