Audacity does that.

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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