Standalone VGA Grid User's Guide

Standalone VGA Grid User
Guide
Troubleshooting
Troubleshooting
Use the follow table for help if you are experiencing problems or unexpected behavior from your Standalone
VGA Grid.
Problem Action(s) to Resolve
Not sure if the connected video inputs
are being captured.
Check each source's input from the source preview in the
Admin panel.
OR
Check the Dashboard interface in Epiphan Live. See Monitoring
video and audio sources.
No sound is coming from an audio
source.
Verify that you are using the correct audio input by following
the steps in Configure encoding .
OR
Check the audio meter from the Dashboard view in Epiphan
Live. See Monitoring video and audio sources.
Captured SDI audio contains audible
"clicking" sound or other audio
distortions upon playback.
Ensure audio sample rate is set to 48 kHz. Lower sample rates
(i.e. 32 kHz and 44 kHz) can sometimes cause audio distortion.
Timestamps between Standalone VGA
Grid and an RTSP source are not
synchronized.
Reconnect your RTSP source to reset desynchronized
timestamps. Verify that you are using a local NTP server on
your Standalone VGA Grid as a time synchronization server for
your RTSP source. See Configure synchronized time (NTP, PTP
v1 and RDATE).
Too much noise is present in the audio
output.
Modify the Input Amplifier Volume parameter in the Audio
menu. Start with setting it to 40% and reduce until the noise is
no longer present. See for details on this setting.
Image quality is poor or insufficient.
The following tips can help improve image quality:
1. Ensure the source resolution is used as the output or
recorded resolution. Up-scaling and down-scaling can
affect picture quality.
2. Increase the Bitrate value and/or decrease the Limit
frame rate value in the Encoding menu. See Configure
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