What is the exact refresh rate of 100% speed?

[Nintendo Maniac 64]

(10-06-2021, 05:14 AM)JosJuice Wrote: At least in the case of the NES and SNES, the Virtual Console games are running slightly slower than the original console, since the original consoles are running at about 60.0988 Hz (NTSC).

Do you know if that impacts the audio, like it runs at an ever so slightly lower pitch? (much in the same way that Dolphin will if you set it to something less than 100% when stretching is not enabled)