How tolerant you are, Monsieur le Professeur! 😀
La Traviata with Kiri Te Kanawa, Orchestra e Coro del Maggio Musicale Fiorentino directed by Zubin Mehta, Decca 478 2500 - I love it.
Anyone who displays some kind of engineering knowledge is automatically excluded from the possibility of any kind of emotional connection with music or reproduced sound 😉
Yep, if you look into the history of ITU-R 486 you will see it was originally developed by the BBC research dept in the 60s - Report EL-17, "The Assessment of Noise in Audio Frequency Circuits" to determine the audibility of noise in broadcasts. It led to CCIR-486 which was later adopted as an international standard ITU-486
So lots of evaluation/analysis & research went into - the same as the Fletcher-Munson curves which are loudness curve perception using single tone test signal & NOT complex tones
Just to tease a little more PMA, let-me try an other photographic image, staying in the "landscape" analogy.
Electrical measurements are like téléphoto lenses (with more or less AC), and listening like very large angles with all the geometrical aberrations, diffractions, light ghost reflexions that comes with.
Looking at the color balance, you can use a pure technical position and set your camera to, say: 6500°. You will most of the times constat your colors not convincing. You can choose inside-it several more or less grey ot white points, and ask you photoshop (or the same) to tune the color balance accordingly. You can have very different result on each of those points. You can even photography a neutral grey card, and use-it to make your application adjust the overall to the exact color balance of the light: you can find that, in some parts of your photo, colors are not accurate comparing with direct look at the same landscape. Too much blue in the shadows, by example.
Then you take the automatic as a base, and you slightly process to manually adjust the colors that seems unnatural. Bingo.
Same thing with the dynamic curve in the whites and the blacks, the local contrast etc.
Let me try an other comparison. In order to calibrate my screens for photography. I use a Spyder5 calibration device. It gives-me a lot better result than everything i can try manually. For two reasons: first I do not dispose access across the guy interface to of all the local fine tunings that allows Windows with a text file. Second, I f i see the defects, I'm blind to know exactly where they are and correctly address them in an exact opposite curve.
But, looking a the result of my calibration device, it is not perfect neither.
So, i use to make little manual adjustments to the near perfect work previously done by my calibration tool in order to approach more what I think is a neutral curve, both in color and light curve. Bingo.
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Not claim but a reminder to other readers who aren't yet familiar with certain posters. Have you ever heard of a phrase "fox guarding the hen"? To unsuspecting owner of hen, the fox's offer to guard for free would seem like a good deal. The owner should to be notified about the identity who that offer is coming from, unless he doesn't cherish his livestock.
If posting the words shill, snake oil salesman is in violation of forum rule, mod/s would have done something about it.
Real smear campaign is coming from those with audio business interest against DBT.
Well put! But the emotion is so strong with some that none of what you pointed out gets through them. 🙁
All right, I have exaggerated a bit.
In my case, 6kHz is VHF. 9kHz is UHF and 11kHz is microwave.
No, only with pure tones by the audiologist.
George
There you go - not noise signals. You might be surprised with that result.
Noise is handled differently to tones as it is broadband & so excites multiple side-by-side critical bands of the auditory filter created by the cochlea.All sound is analyzed using this filter which splits sound into distinct frequency bands.
This model explains masking where one sound close in frequency to another can mask the sound of the other - if both sounds fall within the one ERB the louder one will mask the quieter one.
It also has significance with broadband sound like noise where side-by-side ERBs are excited & this results in an additive result, hence we are more sensitive to noise in the area centered around 6KHz frequency
This attempt will hardly succeed 😛
Say what you like, it is your right. And my right is to decide if I want to reply or not, no compulsion would work 😉
While completing his PhD in Mechanical and Aerospace Engineering at UCLA, after abandoning school at 17
Y’all just ain’t gettin it......
There’s something happening technically that I can make come and go from my system with just small changes....maybe emotional was the wrong term but it’s a response without an obvious trigger,
Nearest technical explanation I can find is ASMR.
It seems phase and timing related....how idk, but I believe it worthy to figure out for those in the industry.
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My work has nothing to do with emotion and is not about audio equipment. I study multisensory perception and how the engineers can improve equipment to produce multisensory stimuli.
I'm not John Westlake. But I would suggest remedial reading for you! Only your lack of comprehension is apparent.While completing his PhD in Mechanical and Aerospace Engineering at UCLA, after abandoning school at 17
Agreed that subjectivists guesses at what they think might underlie their perception are just that guesses & not up to the usual approach demanded of engineering. However, the observation is not necessarily wrong because the underlying cause can't YET be explained in engineering terms. Science (as opposed to engineering) would never progress if this was the basis on which i toperated.
The other issue is that nothing wrong with your description of how you personally perceive your DIY amps, etc but if two commercial amps are being perceived as different sounding even though they are considered as indistinguishable based on measurements, then the trouble starts & it all kicks off.
It might be beneficial for all to just look at Scott Ws reception on ASR here when he made a post which was simply a benign comment about someone who finds the AHB2 amp is not relaxing & can't listen to it for long - prefers his NAD M22. The guy bemoaned that ASR " I won’t try to elaborate any further than that because aesthetic judgement are forbidden on this form" (forum)
Scottw simply posted "Is that true, it would be unfortunate if that was so?"
The backlash against ScottW's post is very typical of the type of yes "rabid objectivists" seen here & on many audio forums - afraid that any concession to subjective viewpoints will simply tear down their facade
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