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4. Start Up

OpenEyA-for-YouTube supports two different Modalities for the automated capture and production of chalkboard and digital lectures. These are:

  • - Screen grab: to capture automatically your computer screen (i.e., grab slides done with PPT, PDF or any other digital presentation) from the same computer in which OpenEyA for YouTube is installed and synchronize them with video; You can give and project a seminar/lecture while recording it! Aternatively, you can easily record self-seminars, i.e., your own lectures, views, etc. which you can then share with your students and audience via YouTube.
  • - Built in webcam or USB Webcam: The use of an external USB Webcam (high resolution, Linux compatible UVC Driver) allows to take pictures/images over specific areas of a classroom podium, a blackboard, a Book/article presentation or a projected screen.

In any case, you need to select either Screen grab or Webcam after starting the small OpenEyA icon in your DesktopĀ“s Show Applications (of Fig.2).

You can also modify/select the Webcam mode: photos from … modality from the option Slides mode at the top of OpenEyA GUI of Fig.3, or modify/select the Webcam mode: photos from desktop modality from one of the yellow button in the GUI of Fig.5.


eya-3

Fig.3: OpenEyA-for-YouTube modalities.



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4.1 Screen Grab

Select Screen grab from the option Slides mode at the top of OpenEyA GUI of Fig.3, or modify/select the Webcam mode: photos from desktop modality from one of the yellow button in the GUI of Fig.5.

This selection lets you to synchronize PPT/PDF slides or any other digital material being diplayed on your computer screen with audio/video. OpenEyA-for-YouTube is useful to record your own talks/lectures in .mp4 format using any computer with Linux Ubuntu 20.04 and built in microphone and webcam (you can also use in this case an external USB webcam).


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4.2 Using USB Webcam

Select Webcam from the option Slides mode in the OpenEyA GUI of Fig.5 or modify/select the Webcam mode: photos from webcam modality.

Plugin (connect) first the Webcam in a USB slot of your computer (and also the external Microphone if being used). OpenEyA-for-YouTube will recognize the device(s) automatically and these will appear as video0, video2, … in the GUI of Fig.5.


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4.3 Modalities Results

In either Modality Screen grab or Webcam shown in yellow in Fig.4, OpenEyA-for-YouTube automatically capture slides (every few seconds from the screen and from a bulit in webcam or from an external HD webcam) and synchronize them to the output .mp4 video -ready for YouTube!


eya-4

Fig.4: OpenEyA-for-YouTube modalities.



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