Perceptual Video Quality (PVQ) Domain Model
Domain model for monitoring of Perceptual Video Quality (PVQ).
Read articleTHE STREAMING VIDEO KNOWLEDGE BASE
Explore the world of streaming video.
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27 articles
QoS/QoE/PQ/APM
Domain model for the concept of video quality.
Read articleQuality 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,…
Read articleQuality 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,…
Read articleQuick UDP Internet Connections (QUIC)
Quick UDP Internet Connections (QUIC) is a UDP-based transport layer network protocol. HTTP/3 uses QUIC to achieve performance enhancements (e.g. simpler handshakes, multiplexing) such as lower latency media…
Read articleRound Trip Time
Measure of total time for network request (e.g. for a media object) to travel over the network and for response to travel back.
Read articleTime 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…
Read articleTime To First Frame
Measure of time between request for media by player to time media is rendered for playback (e.g. first frame rendered for user).
Read articleUniversally Unique Identifier
Unique 128-bit identifier, usually represented as a 32 hexadecimal string. UUIDs are extensively used to uniquely identify entities in computing systems, including media streaming workflows.
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