Daniel Silhavy studied Computer Science at the Technical University of Berlin (TUB). He received his Masters degree with the completion of his thesis “Ad Insertion in MPEG-DASH” at Fraunhofer Institute for Open Communication Systems (FOKUS) in 2015. Currently, he is employed as a scientific assistant and project manager at the Business Unit Future Applications and Media (FAME). He specializes in the R&D of topics dealing with IPTV and adaptive media streaming.
Authors Daniel SilhavyFollowing the german saying “Ehre, wem Ehre gebührt” (“honour to whom honour is due”) we start this blog post a bit different – with the acknowledgements. First we would like to thank ARTE for sponsoring and supporting the development activities…
Authors Daniel SilhavyIn one of our previous blog posts we looked into playback of a multicast DASH stream in dash.js using the 5G-MAG Reference Tools. In this article, we go even a step further: Based on the availability we dynamically and seamlessly…
Authors Daniel Silhavy“Content distributors often use multiple Content Delivery Networks (CDNs) to distribute their content to the end-users. They may upload a copy of their catalog to each CDN, or more commonly have all CDNs pull the content from a common origin….
Authors Daniel SilhavySpoiler alert: What lies between 237.58 and 237.59 ? No, my cat did not walk over my keyboard and just entered some random numbers (I don’t even have a cat). Somewhere in between these two numbers lies a magical number….
Authors Daniel SilhavyTypically, media streaming in browser-based environments is based on unicast delivery. Streaming services such as Netflix, DAZN, Amazon Prime, Disney and Youtube use Content Delivery Networks (CDNs) to deliver media segments and manifest files in a one-to-one (unicast) fashion to…
Authors Daniel SilhavyMost people in the streaming industry probably watch live streams a bit different from “normal” people. Personally, I am always curious about the formats and settings the streaming providers use and if there is anything special to be found. When…
Authors Daniel SilhavyAs part of our work on dash.js we are involved in numerous interesting discussions and face various exciting problems. Digital Rights Management (DRM) is definitely one of the most challenging areas in the context of Adaptive Bitrate (ABR) streaming and…
Authors Daniel SilhavyOne of the key features of a production grade video player is the ability to recover from critical errors. Talking about web-based video players there are a lot of potential errors that can cause the playback to fail. From our…
Authors Daniel SilhavyDuring the WWDC 2021 conference, Apple announced a new tool called Advanced Video Quality Tool (AVQT): “AVQT is a macOS command line tool, which estimates perceptual quality of compressed videos, that might contain video coding and scaling artifacts”. [1] Similarly…
Authors Daniel SilhavyTo some degree, we can compare a DASH MPD to a novel. A novel usually has multiple chapters (DASH periods) with exciting parts (high quality segments) and rather boring parts (low quality segments). Sometimes, we even skip some chapters (seek)….