The sounds appears to be much more obvious than it was on a Denoise DNG? Or maybe the take away repair is still somewhat noisy on any Denoised file, irrespective of whether it absolutely was a DNG or not? I’m not rather positive what you’re observing, but when in doubt, https://www.nathanisoconsulting.com/blog/why-we-choose-iso-19770-certification-in-uae-for-better-it-asset-management/