[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.