Building an audio/video-feedback system for simulation training in medical education

Moritz Mahling, Alexander Münch, Christoph Castan 1 , Paul Schubert 2 , Leopold Haffner 1 , Jan Griewatz 3 , Andreas Manger 2 , Nora Celebi 4 , Reimer Riessen 5 , Verena Conrad 6 , Anne Herrmann-Werner and Jörg Reutershan 2
  • 1 Medical School, Faculty of Medicine, University of Tübingen, Tübingen, Germany
  • 2 Department of Anesthesiology and Intensive Care Medicine, University of Tübingen, Tübingen, Germany
  • 3 Competence Centre for University Teaching in Medicine, Faculty of Medicine, University of Tübingen, Tübingen, Germany
  • 4 Ärztezentrum Ostend, Stuttgart, Germany
  • 5 Department of Internal Medicine, Medical Intensive Care Unit, University of Tübingen, Tübingen, Germany
  • 6 DocLab, Faculty of Medicine, University of Tübingen, Tübingen, Germany
  • 7 Department of Internal Medicine, Psychosomatic Medicine and Psychotherapy, University of Tübingen, Tübingen, Germany
Moritz Mahling, Alexander Münch, Christoph Castan, Paul Schubert, Leopold Haffner, Jan Griewatz, Andreas Manger, Nora Celebi, Reimer Riessen, Verena Conrad, Anne Herrmann-Werner and Jörg Reutershan
An erratum for this article can be found here: https://doi.org/10.1515/bams-2015-0025

Abstract

Background: Simulation training in medical education is a valuable tool for skill acquisition. Standard audio/video-feedback systems for training surveillance and subsequent video feedback are expensive and often not available.

Methods: We investigated solutions for a low-budget audio/video-feedback system based on consumer hardware and open source software.

Results: Our results indicate that inexpensive, movable network cameras are suitable for high-quality video transmission including bidirectional audio transmission and an integrated streaming platform. In combination with a laptop, a WLAN connection, and the open source software iSpyServer, one or more cameras represent the easiest, yet fully functional audio/video-feedback system. For streaming purposes, the open source software VLC media player yields a comprehensive functionality. Using the powerful VideoLAN Media Manager, it is possible to generate a split-screen video comprising different video and audio streams. Optionally, this system can be augmented by analog audio hardware. In this paper, we present how these different modules can be set up and combined to provide an audio/video-feedback system for a simulation ambulance.

Conclusions: We conclude that open source software and consumer hardware offer the opportunity to build a low-budget, feature-rich and high-quality audio/video-feedback system that can be used in realistic medical simulations.

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The journal Bio-Algorithms and Med-Systems provides a forum for the exchange of information in the interdisciplinary fields of computational methods applied in medicine presenting new algorithms and databases that allow the progress in collaboration between medicine, informatics, physics, and biochemistry.

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