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Actually you can with subjective models but correlating them to measured results is very computationally intensive and involves defining many boundary conditions. You'd have to create a mathematical model of the ear (this not trivial and involves calculation of ERBs, i.e., the sensitivity of the ear to a range of different stimuli across the frequency range), the whole head and room, which would be more or less involved depending if you assume that the electronics are supporting speakers or headphones, where then you would have to account for their characteristics as well. On top of that you'd have to model the entire playback chain and its acoustic output. This is if you want to be accurate.Took the words out of my head, exactly. If the goal is to measure to ensure transparency, congrats you then know what is (or isn't) transparent. How about every other sonic parameters that we consider when purchasing audio products like dynamics, warmth, bass output, spacial cues, sound stage width / depth, etc. Show me how you measure and capture these attributes in a chart or graph? Answer: you can't, measurements are only a piece of the puzzle.
I'm working right now to figure out how we can do this more simply. This is on the basis of models and measured data, not listening tests. You're welcome to help.
Amir's measurements characterize the quality of the electronics and their action on a given, known signal. If you find the measurements irrelevant and the conclusions flawed, that's a general viewpoint and has little to do with the specific component he reviewed. Instead, start a new discussion in the general forum. I'm sure it will be interesting.