Revealing the Truth by Measuring Multimedia Delay

Otto J Wittner
TrackLightning Talks -- Store Scene
DescriptionSince audio and video content was first digitized in the 1970s quality and availability of such content has increased significantly. However, as always, “the lunch” has a cost. Digital content can easily be buffered and may even require buffering depending on the technology processing the content. This quickly introduces delay. But how much delay…?  

Uninett has developed a convenient prototype delay meter, in IoT-style, which measures true lens-to-screen video and mic-to-speaker audio delay. Results of measurements are seamlessly made available on-line via Uninett's Delay Measurements Database at

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