Perceptual Video Quality (PVQ) Domain Model

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

Plyr

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…

QoS/QoE/PQ/APM

Domain model for the concept of video quality.

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,…

Quality of Service

Measure of underlying technical aspects or characteristics of media streaming (ITU.T P.10 item 6.212), including: performance, availability. Poor QoS can impact PVQ and/or QoE. In contrast to QoE,…

Real Time Messaging Protocol (RTMP)

Real Time Messaging Protocol (RTMP) is a communication protocol for streaming audio, video, and data over the Internet. Originally developed as a proprietary protocol by Macromedia for streaming…

Real-time Transport Protocol

A protocol designed for delivering real-time audio and video over IP networks.

Reliable Internet Stream Transport

An open-source, interoperable transport protocol designed for reliable, low-latency video contribution and distribution over the public internet

Secure Reliable Transport (SRT)

Secure Reliable Transport is an open-source video streaming protocol and technology used to transmit high-quality video and audio streams over unreliable or unpredictable networks, such as the public…

Shaka Player

Streaming Video Technology Alliance

Streaming Video Technology Alliance is the International Technical Association which provides a forum for companies around the world in the streaming video industry to collaborate on improving streaming…

Supplemental Enhancement Information (SEI)

Supplemental Enhancement Information (SEI) is data that can be embedded within H.264 or H.265 video streams and can be used for various purposes, such as signaling information to…

Time To First Byte

Time to First Byte (TTFB) refers to the time between the browser requesting a resource (i.e., a webpage, a video manifest, a video segment) and when it receives the…

Transport Stream

Transport Stream is a container format encapsulating packetized elementary streams of audio, video and other data for transmission and storage purposes. It is the main format in digital…

Trick Play

Trick mode or trick play is a feature of digital video systems, including digital video recorders and video on demand systems, that mimics the visual feedback given during…

Trick Play

Trick play is a feature of digital video systems that mimic the visual feedback given during fast-forward, pause and rewind operations that were provided by analog systems, such…