Learn your OTT acronyms

Enjoy the Alphabet Soup of Streaming Magic!

Author : Syed Shahid Mehdi

Date: 12 January 2024

In the ever-changing realm of digital entertainment, Over-The-Top (OTT) services are redefining content consumption. From Video on Demand (VOD) to Digital Rights Management (DRM) and Content Delivery Networks (CDN), the OTT world is filled with acronyms shaping technology, business models, and user interactions.

Whether navigating through the intricacies of User Interface (UI) and User Experience (UX) design, exploring the nuances of Subscription Video on Demand (SVOD) and Ad-Supported Video on Demand (AVOD) models, or delving into the realms of High Dynamic Range (HDR) and Ultra High Definition (UHD), these acronyms play a pivotal role in shaping the future of digital media consumption. 

Join us on this journey as we unravel these abbreviations, each representing a crucial facet of the OTT revolution.

Content Delivery

  • OTT – Over-The-Top: Content delivery directly to viewers over the internet, bypassing traditional cable or satellite providers.
  • VOD – Video on Demand: A service that allows users to select and watch video content whenever they choose.
  • SVOD – Subscription Video on Demand: A model where users pay a recurring fee for access to a library of video content.
  • AVOD – Ad-Supported Video on Demand: A model where users can access content for free, supported by advertising.
  • TVOD – Transactional Video on Demand: Users pay for individual pieces of content on a per-view basis.

Business and Transactions

  • D2C – Direct-to-Consumer: Delivering content directly to consumers without intermediaries.
  • B2C – Business-to-Consumer: Transactions between a business and individual consumers.
  • B2B – Business-to-Business: Transactions between businesses rather than individual consumers.

Technology and Protocols

  • DRM – Digital Rights Management: Technologies that protect the intellectual property rights of digital content.
  • CDN – Content Delivery Network: A system of distributed servers to deliver content efficiently to users.
  • QoS – Quality of Service: The measurement of the overall performance and reliability of a service.
  • QoE – Quality of Experience: The user’s subjective perception of the overall quality of a service.
  • SDK – Software Development Kit: Tools and resources for developers to create applications.
  • API – Application Programming Interface: A set of rules for building software applications.
  • SRT – Secure Reliable Transport: A protocol for transporting high-quality video over unreliable networks.
  • RTMP – Real-Time Messaging Protocol: A protocol for real-time audio and video streaming.
  • QAM – Quadrature Amplitude Modulation: A modulation scheme used in digital cable television.

Video Compression and Quality

  • HEVC – High-Efficiency Video Coding: A video compression standard for high-quality streaming.
  • ABR – Adaptive Bitrate: Adjusting video quality based on available internet speed for optimal viewing.
  • MPEG – Moving Picture Experts Group: A set of standards for audio and video compression.

Advertising and Monetization

  • DAI – Dynamic Ad Insertion: The ability to insert personalized ads into on-demand content.
  • CPM – Content Protection and Management: Techniques to safeguard digital content.
  • DSP – Demand-Side Platform: A system that allows advertisers to purchase and manage ad placements programmatically.
  • ROI – Return on Investment: Measurement of the profitability of an investment in relation to its cost.
  • KPI – Key Performance Indicator: Metrics used to evaluate the success of a service or platform.
  • CPM – Cost Per Mille: The cost of 1,000 impressions in advertising.
  • CPA – Cost Per Acquisition: The cost associated with acquiring a new customer.
  • CTR – Click-Through Rate: The percentage of users who click on an advertisement.


  • MMORPG – Massively Multiplayer Online Role-Playing Game: An online game with many players interacting in a virtual world.
  • OTTG- Over-The-Top Gaming: Refers to gaming content and services delivered directly over the internet.
  • VR- Virtual Reality: A simulated experience that can be similar to or completely different from the real world, often used in gaming.
  • AR- Augmented Reality: Technology that overlays digital information on the real-world environment, enhancing the gaming experience.

User Interaction and Experience

  • UI – User Interface: The visual elements and design of a platform or application.
  • UX – User Experience: The overall experience a user has with a platform or service.
  • UXD – User Experience Design: The process of enhancing user satisfaction with a product by improving usability.
  • UI/UX – User Interface/User Experience: The combination of design and overall interaction on a platform.
  • UIX – User Interface Experience: The user’s perception and satisfaction with the interface design.

Television Technologies

  • EPG – Electronic Program Guide: An on-screen guide that provides information about scheduled programs.
  • DTV – Digital Terrestrial Television: Broadcasting television signals using digital technology over the airwaves.
  • HbbTV – Hybrid Broadcast Broadband TV A global standard for combining broadcast and broadband delivery of services through connected TVs and set-top boxes.
  • UHD – Ultra High Definition: A higher resolution than standard HD, often referring to 4K.
  • 4K – Ultra High Definition: A resolution of approximately 4,000 pixels, providing high-quality video.
  • HDR – High Dynamic Range: Enhanced contrast and colors for a more realistic viewing experience.
  • IPTV – Internet Protocol Television: TV delivered through internet protocols instead of traditional methods.


  • AI – Artificial Intelligence: The use of machines to simulate human intelligence in tasks.
  • ML – Machine Learning: A subset of AI where systems learn and improve from experience.
  • SaaS – Software as a Service: Providing software over the internet instead of traditional installation.
  • P2P – Peer-to-Peer: A decentralized network for sharing content directly between users.
  • SOPA – Streaming on Popular Apps: A term referring to content availability on popular streaming platforms.
  • TVE – TV Everywhere: Accessing television content on various devices, not just traditional TVs.
  • NLE – Non-Linear Editing: Editing video or audio without needing to follow a linear sequence.
  • CSP – Content Service Provider: A company that delivers digital content to consumers.


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