Multiple USB keyboard controller question

hey everyone ... Happy new year by the way !
quick question .. i want to use 2 USB controllers to play one source ( software synth )
I have a USB audio interface with a midi keyboard controller patched in the mdi input jack and would like to use another USB keyboard ( in another available USB port ) to access the same source track .
When I record enable the track with the instrument , my midi controller can the synth but the USB one won't
I checked the audio midi setup utility and coreMidi recognizes both midi inputs but Logic Pro X won't
Does this has to be set up through the environment window of Logic ? I thought that coreMidi would take care of things automatically for me .
thanks for your help !

Hi
Under normal circumstances, 2 keyboards that show up OK in Audio MIDI Setup should work fine.
In Audio MIDI Setup (MIDI Window), click the "Test Setup" button and play some notes on each keyboard. You should see a blue flash on the Interface Icons in AMS, and you should hear a beep through the System Audio when you release the keys. (Turn this off when done).
In Logic, check the MIDI transmission channels of each keyboard (some instrument plugs are channel-sensitive).
CCT

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Req any examples of how to use a USB midi controller/keyboards with Labview TIA

Req any examples of how to use a USB midi controller/keyboards with Labview TIA

Hi,
To access the MIDI ports you will need to call the Windows SDK. To send MIDI commands is relatively easy, here is an example that shows you how to send data to a MIDI controller or keyboard.
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= "http://msdn.microsoft.com/library/default.asp?url=/library/en-us/multimed/htm/_win32_multimedia_... is a link to the Windows multimedia functions that you could use for MIDI input.
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Hi and welcome the forum!
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Apple USB keyboard does not work

I have the same problem as described by Sweboss on November 15th, 2012. The Apple USB keyboard is working perfectly, but if I shut down the computer, when I switch it on again, the USB keyboard does not respond, and the computer is looking for a Bluetooth keyboard (which I had before). I have tried switching off, unplugging all peripherals, then unplugging the computer, waiting 15 seconds, then plug it in, wait 5 seconds (this is a remedy proposed in other mails). Switch on and the USB keyboard does not respond. It is not that particular USB port, as it works perfectly well with other peripherals like my scanner, or printer, and changing ports does not help. And when I tried it last time, I had no other USB peripherals connected. Can anyone help?

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MacBook Air 11-inch, Mid 2013 won't boot with external USB keyboard

Hello,
Just bought a MacBook Air 11-inch, Mid 2013 (8GB, i7, 512GB SSD) today.
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Also have a Macbook Pro Retina.
If I connect a external USB keyboard (Kinesis Advantage Pro USB) to the Air then it don't boots.
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If the keyboard is connected to the Thunderbolt display then same empthy grey screen after power on and no sound at all.
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I went to a little keyboard called the Joy and it had a positive switch so I didn't have the wakeup problem. It worked well though after several months I wore it out and had to replace it with another one. I also didn't like how flat it sat and used rubber bumpers on the back. It too had a short throw that hurt my finger tips after a while but it was better than the Apple.
Then I discovered the Logitech bluetooth keyboard, the K811. This is a great keyboard. It switches between multiple targets with one press, it has a positive on/off switch, the keys light up, it's rechargeable and lasts a long time, and the slight cushioning on the keys keeps my fingers from hurting. I put the rubber bumpers on it though like the Joy because I like the keyboard to sit up a little. It's a tiny bit bigger than the other keyboards but I like it a lot, better than my MBA keyboard and better than my iMac wired keyboard. I'm trying out an after market keyboard on the iMac now but I'm thinking about switching to one of these for the iMac.

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Does it matter that the mini OS is Leopard, and the Cube OS is Tiger?
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I had the same problem, and finally came up with two other alternative solutions.
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How do I create Labview VISA ports for *individual* GPIB instruments using Prologix USB GPIB controller?

Hello,
I'm trying to use a Prologix USB GPIB controller to control GPIB
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standard NI driver. However this is not what the Prologix driver
provides -- it provides a single VISA virtual serial port for the
entire controller. To address the instrument with GPIB address 11,
you first send "++addr 11" to the serial port, and then you're talking
to instrument 11. However, this means I have to change all old
Labview programs.
Is it possible to create a "wrapper" function of some kind that will
define a virtual serial (VISA) port for each *instrument* on the
controller? For example, to talk to GPIB instrument 11, call it
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the virtual serial port of the controller, say ASRL3::INSTR, first "+
+addr 11" and then the command that is sent to it.
A clearer explanation of the difference (i.e. incompatibility), and of
my objective:
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you write "++addr 11" to the virtual serial port ASRL3::INSTR, and
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ASRL3::INSTR to talk to that device. Then to talk to device GPIB 12,
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pointers on where to look for hints would be much appreciated. Many
thanks!
Milos

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Thank you for your continued assistance, BDAqua. Unfortunately, the driver you linked to does not seem to be compatible with the camera. It is a driver for the V20 model, whereas my model would correspond to be a V2755, as referenced from a list of other Vivicam models when during a search at the Open Drivers web site.
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After upgrading to 10.8.3 my Apple USB keyboard stops working after about 3 hours

Mac Pro 3,1
OS X 10.8.3 Server
32GB RAM
Apple USB Keyboard works fine after reboot (typing on it now), stops responding after about 3 hours.
I see nothing in Console that looks like the culprit. Here is everything around the last time it happened - between 11:28 and 11:30 they keyboard just stopped working. Unplugging and re-plugging doesn't bring it back. Changing USB ports doesn't bring it back. Rebooting is the only thing that seems to work. Bluetooth keyboard works before and after.
3/25/13 11:28:08.503 AM mdworker[4631]: Unable to talk to lsboxd
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Anyone else seeing anything like this?
Everything worked fine in 10.8.2.

Hey Doug,
Thanks for your post, and welcome to the Apple Support Communities.
I understand that your keyboard backlight is not working upon startup, the following may resolve your issue:
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/HT3964
After performing normal troubleshooting, these symptoms may indicate that an SMC reset may be necessary:
Lights
The keyboard backlight appears to behave incorrectly (on Mac computers that have this feature).
You may also want to reset your computer's PRAM:
OS X Mountain Lion: Reset your computer’s PRAM
http://support.apple.com/kb/PH11243
Note: Resetting PRAM may change some system settings and preferences. Use System Preferences to restore your settings.
Thanks,
Matt M.

Multiple USB keyboard controller question

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