Merging video streams from multiple sources

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Supervisor:
Paróczi Zsombor
Department of Telecommunications and Media Informatics

The basis of our modern electronic gadgets is the display of the device, which enables good quality video playback and in case of mobile devices there’s also the camera for recording videos. The video contents, which are the products of mass video creations get over several conversions until they get to the end-user. In many cases the bandwidth’s capacity or the video compression demand for resources are what makes us leave our quality expectations behind. In the field of social media we can get the same content from different sources. The quality of sources can differ and it’s also common that the various media companies put their own logos or subtitles on the content. In the current thesis I develop a system for merging video streams from multiple sources.

In the first chapter I examine the transformation of digital entertainment in the past century. I also go into the advancement of the internet. In the second chapter I examine the changing of video and movie watching trends through various data storages and technologies. In the third chapter I introduce the world of streaming media, and I also highlight two popular platforms. In the fourth chapter I present the build-up of multimedia files, especially through the terminology of video codecs, compression schemes and video containers. In the fifth chapter I define the term of video noise, and I examine its appearance on a video through the testing of the most popular video sharing site’s video converter. In the sixth chapter I design a video merging system. I describe the technologies needed for the creation of the system and then I introduce the subprocesses of the system after each other, demonstrate and document thoroughly the results of their functioning.

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