But if you have high quality FLAC or Opus sources (or really high-end analog), you do not have to be an audiophile to tell the difference
The analysis showed that there was no statistically significant difference in quality between the un-
compressed signals and AAC-LC 320 kbps compression, which means participants did not perceive
difference between two formats
https://downloads.bbc.co.uk/rd/pubs/whp/whp-pdf-files/WHP384.pdf
Could be they were both shit lol. I couldnt see (on mobile) what playback system was used.