Shifting pitch in a MIDI file?

Ralf Mardorf ralf.mardorf at alice-dsl.net
Mon Dec 13 23:35:03 GMT 2010


On Mon, 2010-12-13 at 13:36 +0000, Angel de Vicente wrote:
> Hi,
> 
> On 13/12/10 13:13, Ralf Mardorf wrote:
> > Add a track and send Pitch to all channels, but note, that the steps for
> > the Pitch Wheel are defined by the synth e.g. 0 or 2 or 12 semi
> > steps ;). MIDI does also know a master tune, but this isn't supported by
> > every synth. You might have not an issue for the sample rates, regarding
> > to the bad tuning, I once had this too. I did a new install and the
> > tuning was ok.
> 
> You mean add a track and send the pitch (from the virtual keyboard) to 
> it? I've never done anything like this, so if you have pointers to 
> documentation that I can read in order to do this sort of thing I would 
> be grateful.
> 
> >
> > Perhaps you can record the MIDI instruments to audio tracks and fix it
> > with rubberband or a pitch shift effect, if it's not to extremely out of
> > tune.
> 
> This is for practice with my guitar, so I like the ability from 
> Rosegarden to change the tempo, play it slowly, and increase the speed 
> as I get better at it, so I would prefer a way to do it from the MIDI 
> sequencer.
> 
> Cheers,
> Ángel de Vicente

You can add pitch shifting FX for 'virtual' synth without recording the
synth to audio tracks.




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