Node list not showing up in hark

HARK FORUM Node list not showing up in hark

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  • #834
    Rohan sheelvant


      Myself Rohan Sheelvant, I am using HARK (hark_designer) software for a research project at NUS. I have followed the instruction given on the website and to install the HARK system on Linux system.

      The problem I am facing now after installation is that after running the hark software (hark_designer), no nodes are showing up on the node list. I have attached the SS for your reference.

      Can you please let me know if I am missing any step in the installation or if I need to do any additional procedure for the same.

      Thank you for your help and time.



        Thank you for your inquiry.

        Have you tried adding the nodes in the preferences ?
        If not, please follow the steps below:
        1. Click Preferences
        2. Click Packages
        3. Select the node references that you need from the list

        Best Regards,
        HARK Support

        Rohan sheelvant

          Earlier it did not have any packages, however, I just now checked again and it worked.

          I am now trying to record sound using HARK by following these steps
          and I am using this RASP device to record the audio.

          I have created the network for recording using HARK also set the parameters accordingly(I want to record a sound at 16KHz for 5 seconds). After setting the parameters I clicked the button EXECUTE. After this, I check the FILE button in HARK_developer and I could find 4 audio files named sep_0,1,2,3 (.wav). However, on playing these files I hear audio of less than a second and only some noise in it.
          [I have attached the relevant screenshots with this post]
          Can you please tell me if have made any mistake while building the network?

          I have checked my recording using audacity and all the mics are working fine.

          Rohan sheelvant

            One mistake I noticed, my MAIN_LOOP was on subnet. I have now changed it to iterator.

            Now after clicking the EXECUTE button, I get the status as stopped, Does this mean some error in the network?

            Rohan sheelvant

              Okay, I have found my mistake, I had kept the condition as an output so the network was not working.

              Thank You for your help

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