Harmonic ProView 7000 - Monitoring the Proview 7000 Using EMS; Low Delay Mode; Selecting Low Delay Mode

Chapter 3 Configuration and Monitoring Low Delay Mode
© 2011 Harmonic Inc. 38 ProView 7000 v.2.4, Rev. A
3.3.4 Monitoring the ProView 7000 using EMS
The device icons in the Devices box and the Alarms tab provide monitoring information. They
are refreshed automatically.
See 4.3.2 Device Communication Status for the device color code key.
Alarms alert the user to conditions that may require attention, see 4.1.4 Alarms Tab for a
description.
3.4 Low Delay Mode
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The ProView 7000 Low Delay Mode is designed to work with an Ellipse 1000/2000 encoder in
Low Delay mode. The end-to-end delay should be less than 9 frames for PAL and 10 frames
for NTSC. Low Delay Mode automatically detects regular video streams that do not require
Low Delay Mode and treats them accordingly.
The following video resolutions are supported:
■ SD PAL
■ SD NTSC
■ 720p PAL
■ 720p NTSC
■ 1080i PAL
■ 1080i NTSC
The following audio bitrates are supported for low delay applications:
■ Musicam – 128 – 384Kbps
■ Dolby Digital 2.0 – 256 – 640 Kbps
3.4.1 Selecting Low Delay Mode
To select Low Delay mode:
1. Select the Decoding Channel in the Multiplex & Decoding Output box.
2. Click Properties on the toolbar.
The Decoding Channel Properties dialog displays.
3. Select the Video tab.
1. Requires a license.