Audacity wiki (which is the official documentation and not something you can request an account for IIRC) has a page for that: https://manual.audacityteam.org/m

Audacity wiki (which is the official documentation and not something you can request an account for IIRC) has a page for that: https://manual.audacityteam.org/man/recording_78_rpm_records.html https://manual.audacityteam.org/man/recording_78_rpm_records... Just make sure you invert the equalizer / preemphasis before you change the speed.