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<Product Name> • <Section Title> 1VNR 100 • Introduction 1
Introduction
This section provides an overview of the user guide for the Extron VNR100 single channel
recorder and covers the following topics:
• About the Guide
• About the VNR 100 Recorder
• Transport Protocols Used for Streaming
• Definitions
• Features
About the Guide
This guide contains installation, configuration, and operating information for the VNR100.
In this guide:
• The term “recorder” refers specifically to the VNR100.
• The term “codec” refers to a VN-Matrix device that acts as an encoder and decoder.
• The term “stream” refers to multimedia that is constantly received by (and normally
presented to) an end-user while being delivered by a VN-Matrix encoding device.
• The term “element” refers to the video or graphics, audio, data, and whiteboard
(user data) content that is contained within a stream.
About the VNR 100 Recorder
The VNR 100 recorder is a network appliance capable of recording PURE3
video, audio,
and data streams from VN-Matrix codecs and encoders. Multiple VNR 100 units can be
configured together into systems to record and play back multiple, synchronized PURE3
streams.
The recorder is able to play and control a previously recorded file while simultaneously
recording a new file, with a sustained aggregate bit rate of 150 Mbps. The VNR 100 is also
able to replay, with time slip, a file that is still being recorded.
One or more VNR 100 recorders can be used in a VN-Matrix system. The system must
be under the control of an Extron VNM Enterprise Controller, whether the system contains
a single VNR 100 recorder or multiple recorders. Controlling multiple recorder devices or
channels from a single master unit allows:
• Support for common transport controls for record and playback of grouped channels.
• Support for directory and file management of grouped recordings and playback.
Multi-channel systems are facilitated by maintaining full stream synchronization of multiple
recorder devices across all stream elements (video, audio, data, and whiteboard) at all
playback speeds in forward and reverse directions.
The recorder uses a network storage architecture, which makes the system highly scalable
and flexible.