I can honestly state that humans can not hear a difference unless they know are listening to some thing different.
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That is is crazy talk. I don't think you meant that. I don't know you or your history in audio so It is not fair to disagree with your experience.
My experience is different. I started listening to vinyl in elementary school. By high school I used some of summer working money to buy marantz amp, dual turntable and marantz. Then a reel to reel. The ticks and pops drove me crazy no mater how much I tried to care for my records.
When CD came out it was a two edge sword: gone were the ticks and pops but they were not mastered or recorded very well.
i raised a family and went through the home theater phase over from 2 channel to surround years ago with Pioneer Elite, KEF, m&k sub. A couple of years ago I returned back to two channel. Now with Primaluna hp, Aerial Acoustic, Schiit yggy DAC.
I does not take a trained ear to hear the difference between the HT setup and my current one. My wife was amazed at the difference. I listened to multiple dacs and there were differences in sq.
Last week I demo'd a turntable from my local hifi audio store. It was a rega p3. Not want I would call upper hifi, but still a week reviewed table. Yes, it was warm sounding, but I would use the word dampened. No comparison to my digital setup. I would have to spend 10 what I spent on the turntable to even approach my digital sound.
I did the test myself. I was foruntate.
There are still artist tracks that generate unpleasant vibration and pressure waves when the music is decoded.
Digital hardware and mastering have improved and so has the sound.
I am thankful we have such minds that had the genius to convert sound into electrical signals that flow from a microphone to recorded media and back out again from electrical to audio we can at least perceive what the artist wanted to share.
Yup, I heard the difference from my grand parents wind up Victrola all the way to what advances of digital with its upsampling, improved clocks and filters.
I for one am excited to hear audio continuing to advance in sound quality with its new formats Now I am going downstairs to put on some rickie Lee jones and appreciate what an incredible gift she was given. If rickie Lee jones was offered on MQA I would want to hear it, because I have the choice to decide for myself if MQA was able to repair the mastering problems of the ADC. The MQA approach sounds promising and I would be thrilled to hear RLJ sound as close as possible to the original studio take.
Enjoy the music!