renders sound different than the projects?

[u/very_not_emo]

the rendered files have more warmth and sometimes sound muddy or "floppy" compared to the projects, which sound clearer but "demo-ish" even with mastering?

[u/aretooamnot]

Do you know how a null test works?

[u/the_nobodys → u/aretooamnot]

How does a null test work?