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Adaptive Bitrate
Application Programming Interface
Common Media Application Format
Common Media Client Data
Common Media Server Data
Content Delivery Network
Coordinated Universal Time
Digital Rights Management
Digital Rights Management (CDN)
Encoder Boundary Point

Category: QoS/QoE

Common Media Client Data

CTA standard (CTA-5004) published in 2020 defining how player clients send playout and error status information to upstream workflow nodes (e.g. CDNs) with every object request.

Common Media Application Format

Common Media Application Format is an Apple-Microsoft standard aiming to simplify workflows by defining concurrent use of multiple ABR methods (e.g. DASH, HLS) while using one set of audio and video media files.

Digital Rights Management

Digital Rights Management is the use of keys and certificates to authorize playback of a video stream to a specific user and/or device over IP streaming like OTT.

Objective Perceptual Video Quality

A Perceptual Video Quality (PVQ) evaluation technique, based on mathematical models, where computer algorithms rate the quality of the video, i.e., video quality is not rated by human subjects (see Subjective Quality Assessment). Objective Video Quality assessments strive to approximate Subjective Video Quality results. Objective Video Quality evaluations can be

Manifest

A manifest refers to a text file that describes other files that can be fetched as part of Adaptive Bitrate Streaming (ABR). A master manifest is a text file which describes a list of rendition manifests along with the resolution, bitrate, location (URL) and other details of each rendition. A rendition

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