well let me dig up some of my FM-sourced shows when I get home and get back to you on that... iirc the older FM broadcasts have a more hazy cutoff, but the new ones look like they've been very abruptly sawed off. In the case of these two broadcasts I couldn't find blocks and they sound decent, so maybe they're not lossy, perhaps they are using a more accurate digital LPF
I'm not 100% certain, either. However there are other recent FM captures that I am certain about and I can post some SA screencaps from those, as well as some older FM shows from the pre-mp3 days and we can compare.
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