Tag Archives: Broadcast

Transitioning Broadcast to Cloud

Abstract We analyze the differences between on-premise broadcast and cloud-based online video delivery workflows and identify technologies needed for bridging the gaps between them. Specifically, we note differences in ingest protocols, media formats, signal-processing chains, codec constraints, metadata, transport formats, delays, and means for implementing operations such as ad-splicing, redundancy and synchronization. To bridge theContinue reading “Transitioning Broadcast to Cloud”

How we scale Live streaming for millions of viewers simultaneously

Abstract As Facebook Live and Facebook Watch have grown, the content shared there has expanded to include professionally produced, broadcast-quality content, like shows and live event coverage. This type of professional broadcasting from providers like La Liga, CONMEBOL, and UEFA is a very different challenge from user generated content (UGC) and viewers’ expectations are much higher. ViewersContinue reading “How we scale Live streaming for millions of viewers simultaneously”

The audio video alignment nightmare in audio compressed formats

Introduction Doing some research about automatic editing systems I have found strange timing behaviors in audio compressed streams and I wanted to take some measures, and here they are: Audio tests – Audacity Using Audacity  2.0.5 (free audio editor) I generated a test time line, see figure 1 After that I have exported the test timelineContinue reading “The audio video alignment nightmare in audio compressed formats”