User Manual

Pearl-2 User Guide
Problem Action(s) to Resolve
play audio.
support audio that's encoded using 48 kHz MP3 or 48 kHz
PCM.
Timestamps between Pearl-2 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 Pearl-2 as a time synchronization server for your RTSP
source, see Configure a time server.
Too much noise is present in the audio
output.
Check the input level of the audio source to make sure it's the
correct level. Modify the input gain if necessary, see Adjust
audio gain and delay.
Video playback is fine, but when I play the
clip in Adobe Premiere Pro the audio and
video are out of sync.
Adobe Premiere Pro has a known issue handling video that is
recorded using a variable frame rate. Convert the clip to a
constant frame rate using a third-party software, such as
Handbrake, before editing in Adobe Premiere Pro.
Adobe Premiere Pro won't load my .mp4
recording from Pearl-2.
Check if the selected recording format in Pearl-2 is MP4-
Fragmented. Adobe Premiere Pro does not currently support
fragmented .mp4 files. Before editing in Adobe Premiere Pro,
convert the clip to progressive .mp4 format. Run the file
through ffmpeg or a third-party software such as Handbrake to
preserve both audio and video output.
I can't preview my channels using the
Epiphan Live Dashboard on Chrome even
after I updated the security certificate for
my website
Some versions of Chrome and Microsoft Edge don't display
channel previews from the Dashboard if you're on an HTTPs
network and your website has an insecure or invalid security
certificate, even after you update the security certificate. Use a
different web browser such as Firefox or update the version of
your web browser, then add the security certificate for the
website to the exceptions list.
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
encoding.
Frames per second are lower than
The following tips can help improve frames per second (fps):
450