PS Audio's line is famous for doing just that. PerfectPower was somewhere in between, storing enough energy to correct the waveform without necessarily being able to recreate missing waves.
I wrote quite a bit here:
https://inatinear.blogspot.com/2019/04/power-management-for-frugal-audiophiles.html
I wrote quite a bit here:
https://inatinear.blogspot.com/2019/04/power-management-for-frugal-audiophiles.html