Explore the world of streaming video.

OpenPlayerJS

Optimizing Video Delivery With The Open Caching Network

OTP

One-Time Password – Often sent via SMS or email.

Over-the-Top (OTT)

Over-The-Top (OTT) is a term used to describe video services which are taking leverage of the user internet access. It can be either deployed over managed or non…

PCC

Performance-oriented Congestion Control

Perceptual Video Quality

Measure of visual quality of video content as perceived by viewers. Poor PVQ can impact QoE. Poor QoS can impact PVQ. The perceived video quality can be evaluated…

Perceptual Video Quality (PVQ) Domain Model

Domain model for monitoring of Perceptual Video Quality (PVQ).

Placement Opportunity

A time in an Ad Break where an ad insertion–or a replacement or delection of existing baked-in ad–can occur. An Ad Break can consist of one or more…

Placement Opportunity Information Service

The Placement Opportunity Information Service (POIS) provides an interface to a repository of descriptions of opportunities for placement of content within an audio/video stream. Frequently these specify opportunities…

Platform

Environment within which an application executes – the device operating system or the browser environment.

Plyr

PoC

Proof of Concept

Precision Time Protocol (PTP)

Precision Time Protocol (PTP) is a time standard. It enables other technologies, ex. the 2110 protocol, to keep accurate timing between audio, video, closed captioning and other metadata.…

Presentation Timestamp (PTS)

Presentation Timestamp (PTS) is a crucial concept used to ensure the proper synchronization and presentation timing of media segments within an HLS stream. PTS helps maintain the correct…

Producer Reference Time (PRFT)

Producer Reference Time (PRFT) is a concept introduced in the context of LL-DASH. The PRFT supplies times corresponding to the production of associated media. Among other benefits, this…

QoS/QoE/PQ/APM

Domain model for the concept of video quality.

Quadrature Amplitude Modulation

QAM (Quadrature Amplitude Modulation) is a digital encoding scheme used to transmit data over Radio Frequency (RF). For example, QAM is used for Digital TV (DTV) video transmission…

Quality of Experience (QoE)

Quality of Experience is a measure of overall delight or annoyance of viewer’s media streaming experience (ITU.T P.10 item 6.209). Many factors can impact QoE, including: poor PVQ,…