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Explanation of terms and acronyms related to the media and broadcasting world. Updated every week!

Closed captions (Abbreviated as CC) are a text version of the spoken part of a movie, computer presentation or television program. Sometimes, they include descriptions of non-speech elements (For example, “machinery starting up”). It can be stored separately or embedded within the video. The common formats are WebVTT, SRT, DFXP and TTML. The viewer has …
CSS or Cascading Style Sheets is a set of formatting instructions that controls the appearance of a webpage. In other words, it is a style language that defines layout of HTML documents. For instance, CSS covers background images, margins, lines, width, height, colors, fonts, advanced positions and many other things of a webpage. HTML can …
XML or Extensible Markup Language is a markup language much like HTML (Hyper Text Markup Language), that defines a set of rules for encoding documents in a format that is both machine-readable and human-readable. It was designed to store and transport data. XML is self-describing. Tags are not predefined. So, you must define your own …
AOD or Audio on Demand is referred to a system where users can listen to their favorite audio content any time anywhere they want via a website or mobile app, using internet. Earlier, when users want to listen to an audio content, first they need to download it to their device (Laptop, Mobile Phone, Tablet). …
ePub or e Publishing (Electronic Publishing) is the process of distributing information through electronic mediums including e-books, online magazines, email, PDF files, the development of digital catalogues and libraries with the help of internet. There is also another form of e Publishing, where content is distributed via CDs or DVDs. Users can access these content …
CPM or CPI  is frequently used measurement in advertising. CPI or Cost Per Impression is the cost incurred for each prospective customer who views the advertisement, whereas CPM (Cost Per Mile) alternatively known as Cost Per Thousand (CPT) refers to the cost incurred for every thousand prospective customers who view the advertisement. For one thousand views …
Open Broadcaster Software or OBS is a free and open source software suitable for live streaming and recording. OBS provides broadcasting, recording, encoding, scene composition and real-time source and device capture. Primarily, data transmission is done through the Real Time Messaging Protocol (RTMP) and can be sent to any RTMP supporting destination, including several pre-sets …
Teradek makes wireless video devices for webcasting, color correction, real-time monitoring, camera control and remote video capture. For complex IP video systems, user can remotely operate a fleet of Teradek encoders in real-time from any part of the globe through Teradek’s cloud-based workflow management platform.  
HEVC or High Efficiency Video Coding is a video compression standard. It is also known as H.265 and MPEG-H Part 2. HEVC offers around twice the data compression ratio at the similar level of video quality, or considerably enhanced video quality at the similar bit rate in comparison to AVC (MPEG-4 Part 10 or H.264). …
The word “Pixel” means a picture element. This is the smallest element of an image. Pixels are generally square or round. Typically, they are arranged in a two-dimensional grid to create an image. Each pixel can be turned on (illuminated) or off (darkened) on a screen (Computer Monitor, Television Screen, Mobile Screen). Resolution of an …


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