Interesting. I will read these later this evening when I have time. I am assuming there must have been DBT group studies done, and there was a statistically significant number of people that preferred higher resolution recordings. Is that the case, in a nutshell? If so, it makes a good case for higher bitrates and for analog. I know I definitely prefer BluRay and DVD sound to standard CD, and well recorded/mastered/pressed vinyl is even better still.
Yes, I agree Wayne. Many audiophiles/music lovers have known for years that ultra sonics was needed. Even the RCA Radiotron Designers Handbook indirectly approaches the subject back in the 50s or sooner.
Years ago I was experimenting in the ultrasonic region for several months, mainly above 100khz. In one experiment I was changing the response from -1db at approximately 200khz to -1db at approximately 150khz (added less than 100pf cap. for this change) and noted the sonic difference over and over.
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