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This is the right place if your topic concerns different Nord Keyboards, you are not sure which one is the right one for you, etc.

*VERY* strange behavior via MIDI

Postby jazzmonger » 06 Aug 2017, 22:07

Not sure which board is at fault here...

NE5->midi -> Hammond XK5

Chang a program on the NE5 and the XK5 transposes slowly up and down a whole step...

Video attached. What the heck is going on? Talk about a surprise during my first gig with the new gear....

Any ideas?? Both are on latest firmware.

trim.F2821A76-00F1-4120-A89B-416E85AD2E82.MOV
(33.54 MiB) Downloaded 52 times
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Nord Stage 3 Compact, Nord Electro 5D/61
New Hammond XK 5 , 1961 Hammond B3
1945 Hammond C2 w Trek
Leslie 3300, 147, 122, 21H and 46W
Crucial Leslie interface (amazing unit)
Boston 6' grand (more than acceptable Steinway substitute)
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*VERY* strange behavior via MIDI


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*VERY* strange behavior via MIDI

Postby Mr_-G- » 06 Aug 2017, 22:12

Most odd. And it looks like there is a portamento effect rather than a sudden jump? Maybe looking at the MIDI stream with a MIDI monitor program can help understand what is happening.
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Re: *VERY* strange behavior via MIDI

Postby jazzmonger » 06 Aug 2017, 23:54

I finally figured it out. A strange param called Glide. Why this would be affected with a patch change on the NE5 is beyond me...

Setting the range to zero solves it.

IMG_0222.JPG
IMG_0222.JPG (369.96 KiB) Viewed 412 times
:keyboard2:

Nord Stage 3 Compact, Nord Electro 5D/61
New Hammond XK 5 , 1961 Hammond B3
1945 Hammond C2 w Trek
Leslie 3300, 147, 122, 21H and 46W
Crucial Leslie interface (amazing unit)
Boston 6' grand (more than acceptable Steinway substitute)
jazzmonger
 
Posts: 27
Joined: 12 Jun 2016, 23:55
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Re: *VERY* strange behavior via MIDI

Postby wartaler » 12 Aug 2017, 03:05

Hi Jazzmonger,
According to the manual of the XK5, 'Glide' can be controlled with MIDI CC#49, and on the NE5, CC#49 is used for 'set list slot select', the NE5 also sends these CC#49 messages when you change the slot. Therefore changing the slot on your NE5 changes the Slide parameter on your XK5. You can stop the NE5 from sending CC's altogether, by selecting 'off' or 'receive' in the 'control change mode' item in the MIDI menu. But if you're controlling the XK5 with pedals etc that are connected to the NE5, your solution is probably the easiest.

CC = 'Control Change', a way to control certain parameters of an instrument via MIDI. There are 128 CC's, CC#0 to CC#127 that a manufactorer can assign to all sorts of parameters. There is sort of a standard for a few commonly used parameters, like pitch shift (not in use on NE5), level, pan, expression, sustain, etc. https://www.midi.org/specifications/ite ... ta-bytes-2 However, each instrument model also has it's own unique parameters that the manufacturer might want to make controllable with CC's. With limited CC's available and so many different keyboards, it's impossible to standardise this any further. Usually there is a list of which CC's are used for what parameters in the manual of your instrument. If you are connecting 2 keyboards with each other thru MIDI, you can compare these lists to check for any overlaps, . Cheers, Albert
Last edited by wartaler on 13 Aug 2017, 00:25, edited 10 times in total.

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Re: *VERY* strange behavior via MIDI

Postby jazzmonger » 13 Aug 2017, 07:35

Yes, make perfect sense... I like easy solutions. I would never use glide anyhow on my XK5.

Thanks for the detailed analysis. Thought I was loosing my mind when it happened. ;)

Jeff
:keyboard2:

Nord Stage 3 Compact, Nord Electro 5D/61
New Hammond XK 5 , 1961 Hammond B3
1945 Hammond C2 w Trek
Leslie 3300, 147, 122, 21H and 46W
Crucial Leslie interface (amazing unit)
Boston 6' grand (more than acceptable Steinway substitute)
jazzmonger
 
Posts: 27
Joined: 12 Jun 2016, 23:55
Location: Santa Rosa
Country: United States of America
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Your Nord Gear #1: Nord Stage 3
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