It isn't free/open source, but Transcribe! (yeah, the exclamation point
is part of the name) supports linux, and can be used for both pitch and
speed shifting, looping between marked segments, and will attempt to
identify notes & chords. The ability to adjust playback speed with pitch
correction (or adjust the pitch a set number of steps) is nice, but I
think the looping is actually its killer feature.
https://www.seventhstring.com/xscribe/overview.html
On 4/24/20 12:19 PM, der.hans via PLUG-discuss wrote:
> moin moin,
>
> I need to setup and easy to use app for music playback that can change
> speed and do pitch correction.
>
> This is for music lessons where the speed needs to change as the students
> improve.
>
> Ideally I find Free Software packages for both Android and for desktop
> ( Ubuntu ). One or the other is sufficient, but I like to have backup
> plans.
>
> I can't find anything in FDroid right now. I had something before, but
> those phones have been wiped and I don't remember what it was. There are
> some apps in the google repo, but I'm trying to avoid those.
>
> For the desktop, vlc will speed up and slow down, but only in imprecise
> ways.
>
> gst123 will change speed by 10% at time, which is also not fine-grained
> enough. It also doesn't do pitch correction. It's fun to play with, but
> doesn't help with the lessons.
>
> I'm certain I can be done with audacity, but that's rather
> overwhelming to
> get one feature.
>
> Any suggested apps?
>
> I did find a bunch of other apps for learning music in FDroid. Looking
> forward to experimenting with those.
>
> ciao,
>
> der.hans
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