Anki addon https://ankiweb.net/shared/info/1067025219
Use ] button to increase audio speed.
Use [ button to decrease audio speed.
And set speed to normal with backspace .

Orignal Anki addon Control Audio Playback (Extended).
https://ankiweb.net/shared/info/1413404470
Orignal addon can't adjust audio speed on Mac.
I modified Audio_Controls.py so that it can work on Mac.
Anki use mpv on both Mac and Linux, so this addon should also work on Linux

List of Input Commands can be found
https://github.com/mpv-player/mpv/blob/master/DOCS/man/input.rst

Full keyboard control can be found https://mpv.io/manual/master/