Not able to communicate my DAW (Reaper) and Matlab using UDP

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David Montalbán Caamaño 2023-6-12

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https://ww2.mathworks.cn/matlabcentral/answers/1981919-not-able-to-communicate-my-daw-reaper-and-matlab-using-udp

回答： Sanjana 2023-8-25

Eventhough I am following the steps as is explained here: Communicate Between a DAW and MATLAB Using UDP I am not able to even make the UDPSender plugin of the example work. I think that my problem is on step 2, as i am working on macOS and don't really know how to set the run-time library path. ¿Is there any extra configuration that I am missing?

Thanks.

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David Montalbán Caamaño 2023-6-12

Not really any error, I am setting the run-time library in my terminal and then opening Reaper from the same command terminal. Then I add the UDPSender VST in the channel 1 of the mixer and i drop and play an audio track. After that i am running the HelperUDPPluginReceiver but nothing happens, it just stops after a few seconds but no spectrum analyzer appears.

David Montalbán Caamaño 2023-6-16

I checked with Wireshark to see if there is any UDP traffic through the 20000 port when de UDPSender plugin is being used, but nothing is send or received.

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Answer 1

Sanjana 2023-8-25

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在 MATLAB Online 中打开

Hi David,

I understand that you are facing an issue with setting up the “Run-Time Library Path” on macOS System.

According to step 2 in the documentation of the example, you can set the “Run-Time Library Path” on macOS Systems by adding the following command in a MATLAB “startup script”.

setenv DYLD_LIBRARY_PATH matlabroot/bin/maci64:matlabroot/sys/os/maci64

Please refer to the following link, for writing a user-defined MATLAB “startup script”,

https://www.mathworks.com/help/matlab/ref/startup.html

Please refer to the following link, for another approach using the “. plist” file to set the environment variables on macOS Systems,

https://www.mathworks.com/matlabcentral/answers/170268-how-do-i-set-environment-variables-on-mac-os-x

Hope this helps!

Regards,

Sanjana