Is it possible to use playback speed option, like 1.1x, 1.2x only for video files?

So that if I set playback speed to 1.2x and play video, it will be 1.2x, then I play audio, mp3, it will be 1.0x, then video again - 1.2x.

I think that different playback speed is useless for audio files.

Thanks.