Quote:   => Comply Tx-500... Same for me with stock tips..

Quote:   Can someone explain me the physics behind this ? I  have heard many times that closed headphones have lesser soundstage compared to open headphones.

Quote:   True, but also for everyone who builds $1000+ DAC...   "It is difficult to get a man to understand something, when his salary depends upon his not understanding it!" Upton Sinclair

Quote:   hmm... trolling a bit... everyone's brain is different

Quote:   I think illusion is not the right term to use, it's not like optical illusions. If recording is well made and audio gear do the job well, your "brain" (not true in fact, a part called medial superior olive) will compute the location of a sound by interaural sound differences for...

"The fundamental frequency, or F0, is an essential descriptor of music sound signals. Although single-F0 estimation algorithms are considerably developed, their applications to music signals remain limited, because most music signals contain concurrent harmonic sources. Therefore, multiple-F0...

Quote: i'm not sure but i think automatic music transcription  programs do this, but yes it's not accurate and it's just an estimation, research is on its way with teams like those of IRCAM, for example MULTIPLE FUNDAMENTAL FREQUENCY ESTIMATION OF POLYPHONIC RECORDINGS...(hard reading...

Quote: seems to have been done... "A final point is that VIIIth nerve activity patterns are not simply faithful neural replicas of the auditory stimulus itself." in DALES, PURVES, Neuroscience 3ed (very good textbook), chapter Twelve for the Auditory System.

Quote: +1 If this  "thing" can't be measured, why would our ears perceive it ? Organ of Corti structure and fonction are well known now, The organ of Corti transduces pressure waves to action potentials and that's all... If something more happens, it's in our brains...   PS : Hello...