If it's purely an engineering challenge why bother designing yet another DAC?

Also, 'Better' can have meaning. In the ES9038Q2M Board thread I described and documented a number of mods that made a particular dac sound 'better.' People who performed the mods generally agreed the sound improved for the better. What they were actually hearing was improved accuracy of reproduction. To me that's what better means: less inaccurate sounding. It is NOT intended to mean the exact same things as: less inaccurate measuring.

Then isn't it more meaningful to use the word "accurate" than "better"?

How does one tell if it's more accurate?
 
As I have commented previously, the ear (rather the brain) is known to exploit at least third-order measures in developing our audio perceptions. As such, the use of at least two FFTs might then yield a better (pictorial?) description of our auditory perceptual capabilities. Furthermore, if we allow for the time for convergence on some prior learned percept, then we might also find evidence not only for many subtle audible artefacts that are not identified by second-order measures, but also for the ability to learn to hear those artefacts. Yet even in such a framework for analysis, we must further acknowledge that our perceptual apparatus bestows us all with a spectacular capability for delusion.
Interesting points.
 
Just looking at the title of this thread and ignoring its contents:

Because engineering challenges are fun, of course, or at least they can be when you can just make whatever you like and there is no planning associated with them, nor any customer breathing down your neck, nor any nonsensical spec points that you have to meet purely for marketing reasons. That is, when you design as a hobby.
Thank you for trying to answer my original question. From DIY perspective, building sometime one personally likes the sound of is fun and satisfying. IMO trying to convince others that it's "better/more accurate" is very dubious and full of obvious pitfalls as evidenced by the excess "noise" here 😉
 
Lucas, No verbal description will accurately describe a sound, and no FFT will either. IME one has to hear a difference to understand how it sounds.

Also, 'Better' can have meaning. In the ES9038Q2M Board thread I described and documented a number of mods that made a particular dac sound 'better.' People who performed the mods generally agreed the sound improved for the better. What they were actually hearing was improved accuracy of reproduction. To me that's what better means: less inaccurate sounding. It is NOT intended to mean the exact same things as: less inaccurate measuring.

Everyone could have been imaging improvements. Were measurements also made to show these mods actually did anything?
 
I think what’s being overlooked is...

Yes, it can seem that way but actually its often more complicated IME. If you ever have visitors over who are not so interested in audio, if you play music for them do you find they notice as much as you do, and or do you find that they have trouble hearing everything you do even if you describe certain small details to listen for? Any experiences with that sort of thing?
 
...I am not trained to hear subtle difference such as Mark, so most likely his description would not mean much for me.

That is probably true. Its hard to teach oneself, but for some that's the only path available. I can give hints of how to get started practicing at it, but there is no textbook for it that I know of. I could say more, but I don't think anyone here is serious enough to actually work at learning. Most here won't even bother to find two different dacs to compare the sound of.

An aside: In a related field, there used to be there an apprentice system to teach recording engineers, but most of the big studios where it was done are now gone. It takes longer and fewer become very good at it nowadays since one cannot get exposed to the best equipment and the most experienced recording engineers in most small project studios.
 
I find some ambiguity when DAC's have choices for filters that are clearly less accurate but some find them "better". I find little difference between this and liking a little second harmonic in the right phase.

Me too.

However, people sometimes use such effects for masking or for otherwise compensating problems in their system (which could possibly be the most common use). It would be better in those cases to find and fix the real problems, but sometimes it can involve some $$ so maybe it does't happen.

Other people just like effects, but it doesn't seem to be a majority of people.
 
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And even harder to know if you are deluding yourself or not.

If one follows what good advice there is (such as from master recording engineers who have taught many apprentices), then fooling oneself is much less likely. However, some people are lazy, they want quick results with no effort. Those people are likely to be completely wrong and then angry with they find out all the $$ they wasted.
 
If one follows what good advice there is... then fooling oneself is much less likely. However, some people are lazy, they want quick results with no effort. Those people are likely to be completely wrong...

Any use of "right" or "wrong" is misguided: Such people most likely believe they are right whether what they perceive is real or not. The learning process is natural to us all and whilst it is sometimes helpful to have someone help you develop a certain percept, it does not change the capacity for delusion when you think you hear something you have not heard before, particularly if you are so motivated to search for it. Without objective measures to verify your perceptions, you will never be sure of what you heard in spite of a belief you are right. Critical listening is an important part of any design process, but I believe it should be regarded as the start of an investigative process rather than the end - although I might be completely wrong 🙂
 
Any explanation on those who post claims online on how good / better their mod or high $$$ audio electronics purchase sounds instead just enjoying what they have?

Not everyone has ulterior motives, some just like to enjoy the ‘better’ things in life! 😉

Yes, it can seem that way but actually its often more complicated IME. If you ever have visitors over who are not so interested in audio, if you play music for them do you find they notice as much as you do, and or do you find that they have trouble hearing everything you do even if you describe certain small details to listen for? Any experiences with that sort of thing?

Some aren’t even worth the wasted breath, but I do have two friends whose ears I trust and we bounce opinions back and forth. But it’s usually down to indifference by that time, as in verifying there was no changes.

I could say more, but I don't think anyone here is serious enough to actually work at learning. Most here won't even bother to find two different dacs to compare the sound of.

An aside: In a related field, there used to be there an apprentice system to teach recording engineers, but most of the big studios where it was done are now gone. It takes longer and fewer become very good at it nowadays since one cannot get exposed to the best equipment and the most experienced recording engineers in most small project studios.

That is why I’m here, to somehow get a handle on the technical aspects of what I’m hearing are. What I can say is that there are repeatable differences in most all the things that are dismissed here, what causes that is going to take some deep forensic style investigations.

And even harder to know if you are deluding yourself or not.

Not after you get a handle on it.

If one follows what good advice there is (such as from master recording engineers who have taught many apprentices), then fooling oneself is much less likely. However, some people are lazy, they want quick results with no effort. Those people are likely to be completely wrong and then angry with they find out all the $$ they wasted.

I’ve been on this quest over two yrs.....the most tiresome part is defending ones positions!