Hi, you should review the sound files for BR 422. We are focusing on the internal sound loudness. It's too much sound proofing. You should still hear very obvious such as rail joints, flange. See reference video
Not sure about rail joints, but the flange sounds are there in TSW Just checked, rail joints are there too.
I mean when you are sitting inside as passenger, in the reference video is much louder but TSW is very soft and quiet. This is by far the most exciting EMU except as I meantioned in the topic, as a passanger you should experience more loudness
Yes, that's what I checked for. Germany for the most part stopped using jointed rail a long time ago though, the only time you'll hear it is on switches.
I have to agree. I often drive with the windows open so that the sounds such as joint sounds are more audible.