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SX4 playback issues
we have an SX4 and are having trouble with playback of recorded meetings being played back from the server. they all play dark. Is there a setting or something that can fix this. Please someome help!
I’m frustrated
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Sarah,
Generally "dark" video is caused by double termination. The cable that is connected to the input on the server, where does it come from? You should make sure that there are no T adapters installed anywhere in its path, as that can lead to termination issues. The other common cause would be running the signal through a monitor, and having the termination switch set to 75 Ohm, instead of Open or Hi-Z.
None of these!
That is all I can think of off the top of my head that could cause this.
Hope that helps
The company and 1 other person say
this answers the question
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Inappropriate?Hi Sarah...
Are the meetings being encoded on the SX4, or are they being encoded by another computer?
Is it just these meetings that play back dark?
Do other programs encoded with the same computer as the meetings play back dark as well?
Sorry for all the questions, but the answers to these will help figure what is going on with your system.
-ray -
Inappropriate?they are being encoded by the SX4, anything encoded by it plays back dark. All that is encoded to the server now are meetings that were encoded live. -
Inappropriate?sarah, there is actually a bug in Cablecast 4.7.6 where files encoded in the 4:2:2 colorspace do not playback properly. This issue is fixed in 4.8. The files previously encoded are OK, but need 4.8 to playback.
You can change your Record Quality of the SX encoder device in cablecast to any of the 4:2:0 or 4:1:1 colorspace codecs.
Click here to see the announcement for the public beta for 4.8. -
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Inappropriate?Hi, so we checked where you said to change the record quality and we were already in the right parameters, any other suggestions? our playback from the SX4 still comes out dark.
I’m confused
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This answers the question
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Have you checked to see that the video input is not double-terminated? Make sure it isn't split with a Y or T connector! -
Inappropriate?Sarah,
Generally "dark" video is caused by double termination. The cable that is connected to the input on the server, where does it come from? You should make sure that there are no T adapters installed anywhere in its path, as that can lead to termination issues. The other common cause would be running the signal through a monitor, and having the termination switch set to 75 Ohm, instead of Open or Hi-Z.
None of these!
That is all I can think of off the top of my head that could cause this.
Hope that helps
The company and 1 other person say
this answers the question
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Inappropriate?This does help as were having the company that did our install come back and fix a few things, I'm going to add this to the list of things for them to check out.
Thanks so much! :o)
CHAMP
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