NS4 Aux KB Control functions

[cgrafx]

Finally pulled the trigger on a ns4sw73. Decided the new stuff was worth it despite all of the issues. I’m wondering, does the ns4 listen for all 3 sensors for a weighted midi controller controlling a piano (for instance) via aux kb mode?

I have a Studiologic sl73 that I’m planning to hide under the ns4sw73 to control pianos and layered sounds and wanted to know if it picked up all sensors or just on/off. I can’t seem to find confirmation in the manual.

Midi doesn't have any idea what a triple sensor is. Its just "Note On" and "Note Off"

Multiple key sensors (dual or triple) are only processed locally in the keyboard in which they are installed.

[vojtech-h]

According to the specification, the MIDI message "Note On" carries information about the dynamics of the tone.

A keyboard with more contacts, such as the SL73, transmits this information, and the NS4 processes it when creating sound.

The behavior of the SL73 can be adjusted by the user (velocity curve).

[cgrafx]

According to the specification, the MIDI message "Note On" carries information about the dynamics of the tone.

A keyboard with more contacts, such as the SL73, transmits this information, and the NS4 processes it when creating sound.

The behavior of the SL73 can be adjusted by the user (velocity curve).

Midi carries velocity, but nothing about sensors. It's a "Note On" message along with a velocity. The way that information is processed is NOT the same as when an internal keybed triggers a note with multiple positional sensors. MIDI simply isn't designed to carry that kind of data.

[vojtech-h]

Sure.
Using a midi remote keyboard is not identical to the behavior of an internal keyboard, but in such a case, when setting a suitable curve, it can be quite similar.

[mtier0067]

Thanks for the feedback. This makes some sense but for sake of conversation, Is any of the velocity transmitted relative to the sensors in a triple sensor midi controller and then translated or modified depending on the selected velocity curve? For instance, if a velocity of 85 is transmitted by sensor #2 (mid stroke) is that somehow different than if sensor #1 (top of strike) senses the same velocity?

[cgrafx]

Thanks for the feedback. This makes some sense but for sake of conversation, Is any of the velocity transmitted relative to the sensors in a triple sensor midi controller and then translated or modified depending on the selected velocity curve? For instance, if a velocity of 85 is transmitted by sensor #2 (mid stroke) is that somehow different than if sensor #1 (top of strike) senses the same velocity?

Once the sending keyboard has calculated the velocity for a particular note, nothing about which sensor was used to get that velocity is retained. So a velocity of 85 is just that, regardless of which sensor or sensors where used to trigger the note.

In image editing terms the triple sensor information inside a keyboard is like a camera that captures RAW image data, but once it has been processed and output as a jpeg image all of the additional highlight and shadow detail contained in the RAW image is lost and you are left with the processed jpeg.

[mtier0067]

Again, thanks for your feedback. I’m still wondering a few things that these explanations don’t get at:
1. Does the velocity curve setting of a midi controller keyboard alter the midi cc value that is transmitted based on which sensor transmits this info and at which point in the action the velocity is transmitted?
2. If I play a key/note from half depressed position to fully depressed position on a triple sensor keyboard , will it trigger the same velocity as if I played from a full key extension?

[mtier0067]

Basically, the question is, if you use a triple sensor midi controller with weighted action to control the pianos in the semi weighted ns4 compact, do you lose anything sound wise? Obviously the keyboard feel will be different but does the Nord treat incoming triple sensor note information differently than internally created note information?

[cgrafx]

Basically, the question is, if you use a triple sensor midi controller with weighted action to control the pianos in the semi weighted ns4 compact, do you lose anything sound wise? Obviously the keyboard feel will be different but does the Nord treat incoming triple sensor note information differently than internally created note information?

Again, there is no such thing as triple sensor note information. It's just a "Midi On" and "Velocity". So, the Nord will not process that the same as the internal Nord keybed. Wether it is different enough to matter is a different question and the only way to know would be to try it.

Since there is already going to be a difference in the way a fully weighted Nord plays compared to the Semi Weighted version, I expect it won't make enough of a difference to matter and will be just fine.

[Valpurgis]

Midi doesn't have any idea what a triple sensor is. Its just "Note On" and "Note Off"

Multiple key sensors (dual or triple) are only processed locally in the keyboard in which they are installed.

That’s not correct, midi can be used to transfer triple sensor information in a simple way. Kawai MP11, VPC1 and some other midi controllers have the availability implemted, Pianoteq accepts such input. This have been discussed before, actually I sent a midi file from my MP11 to Nord tech support a couple of years ago since they originally thought the NS3 should handle it. They promised to look on the implementation in future updates but it still does not work with NS4 when i tested it. Triple sensor retriggering from the second sensor is implemented by sending a new Note On before Note Off. So retriggering a note once without cutting the first is done by sending Note On, Note On, Note Off, Note Off. See also:
https://forums.pianoworld.com/ubbthread ... nefit.html