I'm intrigued...

I have several QS (UHJ/Ambisonic) discs dating from the 1970's, designed to be played-back on 4 channel/quadraphonic systems.

So, I don't see how such audio files would satisfactorily play-back on more than 4 channels.

Not an Actor, nor married to Jamie-Lee Curtis.

#1: DSP5200SE|DSW.2|218|210|506.2|504
#2: Prime/PSU|SOtM sMS-200 Mini NEO SE|Focal Stellia
#3: Other stuff