Shifting pitch in a MIDI file?

Ralf Mardorf ralf.mardorf at
Tue Dec 14 00:27:34 GMT 2010

On Tue, 2010-12-14 at 01:20 +0100, Hartmut Noack wrote:
> Am 14.12.2010 00:50, schrieb Ralf Mardorf:
> > Yep, IMO the issue is solved and a report to Rui, the coder of the
> > 'Q'thingies  (or to the folks who program FluidSynth) might be useful.
> > There should be no need for musicians without technical knowledge, to
> > run into this trouble. Sample rate conversion should be done
> > automatically.
> No, it should not.
> While it is perfectly OK for a mediaplayer do handle samplerate-issues, 
>   productive audio software can suffer a decrease of performance, if it 
> handles such conversions. So samplerate-conversion is clearly *not* a 
> must-have.

Full ACK, perhaps I did use the wrong words. I guess an auto-detection
about the sample rate, that is used by JACK + an automatic selection for
the used sample rate, by a virtual synth should do the trick, resp. for
soundfonts using a wrong sample rate, there might be the need to convert

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