Assertion: piano's key | /r/HasProperty | weighted
Facets:
Source sentences:
text: The keys are weighted to simulate the action of an acoustic piano and are velocity-sensitive so that the volume and timbre of a played note depends on how hard the key is pressed.
text: Each key is weighted so that the lower keys require a bit more pressure than the higher octave keys.
text: Each key is weighted so that it feels more like an acoustic model.
text: While some keyboards have keys that are weighted, many do not.