In this series of articles, we will explain broadcasting for IT engineers. Television is an illusion, there are no moving pictures and todays broadcast formats are heavily dependent on the decisions engineers made in the 1930’s and 1940’s. In this article we look at video frames, frequencies used, and what the…
Live online video is booming worldwide, especially over mobile, but with big regional differences in drivers. The main factors in most cases are growing availability of OTT access to live sports and improved quality of service (QoS) over cellular networks. These factors are conspiring to boost consumption not just by…
Acoustic impedance is analogous to electrical impedance, and we all know that impedance matching is important in electronic systems. Here John Watkinson looks at the importance of acoustic impedance to loudspeaker design.
Advertising on OTT video services is growing explosively, accounting for 30% of all video ad spend by the end of 2017 compared with 8% 14 months earlier, according to data from video ad marketplace SpotX owned by German broadcaster RTL.
Television broadcasting has become more complex with the advent of OTT services. Playout is no longer the final point of quality control. CDN edge points, targeted ad-insertion, multi-language support, and event based channels require the expert scrutiny of broadcast engineers.
The widely held belief that SVOD (subscription VOD) services reduce piracy by making premium content readily available via a legal route has been challenged by an experiment conducted by a group of US and Portuguese academics.
Changes in the broadcast industry are bringing far-reaching repercussions. In particular, studios, control rooms and production houses alike are all seeking ways to streamline processes, adapt workflows and work in a faster and more intuitive way. This has given rise to a number of trends across the industry. But should…
Nearly 50 years ago — 1969 to be exact — Sony introduced the ECM-50, a tiny peanut-sized electret condenser lavalier microphone that virtually ended the reign of large, cumbersome microphones used in television broadcasting. Since then, the scope, quality and price of lavalier microphones has dramatically expanded. Here’s a look at what’s availab…
It has been an active year for online video streaming standards with momentum and membership building around several different groupings aimed at ensuring consistent and reliable low latency transmission, especially for live services.
As long as there have been cameras, there have been tripods. In it’s basic form, a tripod is camera support. But, as cameras have gotten tinier in size over the past few years, tripods have morphed into new devices that would have not been recognized only a decade ago.
