[lucas_codes]

Actually, human perception is incredibly good, though I agree prone to biases. But there are no double blind studies on this, so why dismiss experts' opinions so readily?

> Electronic keyboards have weighted keys and similar tactile feedback to regular acoustic pianos, so this is a solved problem.

For professionals, the difference is huge. Seriously massive, on even the most expensive electronic keyboards. This is why I replied (unusual for me) - saying "it's a solved problem" is so far off the mark

[jojobas]

https://www.youtube.com/watch?v=nol2FX56Hfs

Not to any rigid standard, but some pro musicians can't tell the difference it seems.

[lucas_codes]

"Hybrid piano"? What does that mean?

[jojobas]

Actual hammers (not a kinematic imitation), optical hammer velocity sensors, no strings, some kind of multisampled sound.