Here is Casio's statement about keyboard enhancement with their "Tri-sensor Scaled Hammer Action Keyboard II"
keybeds to be found in each x50 DP in their current Privia and Celviano product lines:
The sizes of the hammers that strike the strings differ among the various key blocks in a grand piano. The sounding timing consequently varies subtly, even when keys are struck with the same strength. The new keyboard system carefully reproduces these differences in sound production timing from one register to another. It even simulates the differences in sound production timing according to the force with which a key is struck.
Is this calibrated delay effect implemented in the key sensoric passing the signal with delay (A), or is this delay calculated by the tone synthesiser module (B)?
This becomes important when using the keyboard as a MIDI controller. In the case of (A) the MIDI signal will be sent only with included delay, with (B) there are still two possibilities left for generating MIDI events: with or without delay. If no delay in MIDI out, then it is up to the attached SW-Piano to reproduce this effect. I didn't see this kind of subtle timing simulation other than Casio's, even with Pianoteq or VPiano not. If SW-Piano and Casio MIDI both are lacking this feature, then the effect is restricted to the internal Casio sound. However to the contrary, if MIDI AND the connected SW-instrument both have this timing calculation included, then delayed times will be added doubling the effect in an unnatural manner (it should be able to be turn off either in the SW-Instrument, or in the keyboard).
All of the 3 sensor positions are now moved directly under the key body, measuring key position directly:
Old triSensor Scaled Hammer Action:
New triSensor Scaled Hammer Action II:
The new arrangement allows theoretically for option (B) and let for the MIDI solution both options viable for propagating hammer delay.
In previous triSensor Hammer Action
two of the sensors seemed placed for measuring hammer part movement (not that of the key block) - which meant producing delayed signals only: [img]Previous Action[/img] Hammer timing seems to be a very sophisticated reality simulation feature. With real acoustics which casio's "hammer timing" now simulates it is an absolutely real and important effect.
To sum up my questions:
- how useful hammer simulation is with Casio's instrument?
- how its MIDI implementation is?
- is it parametrisable (ON/OFF, KeyBlock+Velocitiy sensitive)?
- how can it cooperate with SW-Instrument (have these such a feature, how are themselves parametrisable in this regard)?