NCast Presentation Server - Manual (Page 4)

NCast Presentation Server Reference Manual
1 Introduction
1.1 P
URPOSE
The NCast Presentation Server is an advanced video and presentation-recording content management system.
From start to finish the server may be used to schedule presentation or lecture captures, accepts these recording
for indexing and storage, processes the files through automated workflows, distributes the files to the required
publishing points and provides a video portal for playback of recorded material.
1.2 D
OCUMENT
O
VERVIEW
This document is divided into two main sections. There is a description of the administrative interface to the server
and there is a description of the viewer's video portal.
1.3 T
ERMS AND
D
EFINITIONS
A complete discussion of network protocols, Internet streaming, webcasting and related topics is beyond the
scope of this document. Other sources cover this material in great detail. The following are brief definitions of
some of the terms used throughout this manual. Skip this section, it's boring.
AAC – Advanced Audio Coding, a wideband audio encoding and compression algorithm.
AD – Active Directory, an LDAP-like system used on Microsoft servers
ADA – Americans with Disability Act, which covers standards for accessible design.
API – Application programming interface, an interface between two software systems
Atom – The Atom Syndication Format is an XML language used for web feeds.
Authentication – A process by which you verify that someone is who they claim they are.
Authorization – The function of specifying access rights to resources, such as videos.
Capture Agent – A device which records/streams captured audio/video/graphics signals
CAS – The Central Authentication Service (CAS) is a single sign-on protocol for the web.
Confidence Monitoring – Methods for verifying that video and graphics capture are correct.
Distribute – Placement of video and audio media where it will be accessible to viewers
Dublin Core – A digital metadata/catalog system frequently used by digital libraries
Engage Player – A term used to describe the technology for the multi-stream player.
Episode – A single recording, quite frequently in a group or series of related recordings.
H.264 – An advanced method for compressing video or graphics data in the creation of an MP4.
HLS – A streaming protocol designed by Apple: HTTP Live Streaming.
HTTP – The industry standard protocol for website access.
HTTPS – The industry standard protocol for secure website access.
IETF – Internet Engineering Task Force, the standards body for Internet protocols.
ISO – International Standards Organization
Job – A discrete, atomic, processing step within a workflow.
JSON – JavaScript Object Notation is a lightweight data-interchange format.
Latency – The end-to-end time delay between a change in the source image and the
corresponding change in the remotely displayed image.
NCast Corporation Version 1.1
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