If that's the case (which I have never noticed), then it will show on any gameplay footage on YouTube. Just look at the videos uploaded there to see if it's happening on real CDVD and shows a vid if yes.
Not a bad idea. So far I couldn't find a really decent video (everyone skip the main menu with lightning speed).
On this one everything seems perfect (but it's difficult to judge with in little time…):
Here seems a little crackling can be heard instead:
Here something can be hear (with the earphones… is less than what I hear on my tv):
Here is all clearly perfect:
I checked a PCSX2 video too and is perfect.
I don't know… Maybe it's Ps2 related?? Mine is a 39004. I'll check the game with ESR using the 75004 to see if there's any difference.