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mxo2 mini (with max) pulsing dnx 36 media

 
Post new topic   This topic is locked: you cannot edit posts or make replies.    Matrox MXO User Forum Forum Index -> MXO2 Family and Mojito MAX with Avid Media Composer Family (Mac)
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Luke D
(MXO2)




Joined: 04 Jul 2005
Posts: 12

PostPosted: Sat Aug 14, 2010 7:44 am    Post subject: mxo2 mini (with max) pulsing dnx 36 media Reply with quote

I've just received my avid mc5 with a matrox mini, when I come to play my media (DNX 36 - 1080/25, transcoded from RED files) the monitor pulses. In effect you have the image for a second then black for a second.

Any ideas why?

L
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Luke D
(MXO2)




Joined: 04 Jul 2005
Posts: 12

PostPosted: Mon Aug 16, 2010 1:25 pm    Post subject: Reply with quote

It appears to be a faulty HDMI cable. So problem solved.

However, now that I do have picture I have a new problem. The HDMI picture is out of sync with the external speakers, by two frames. Trying to figure out a work around.
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Matrox_Support_Joe
(Moderator)

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Joined: 04 Jul 2005
Posts: 3323

PostPosted: Mon Aug 16, 2010 3:30 pm    Post subject: Reply with quote

Hi Luke,

Glad you found a solution to the HDMI issue.

Now about the audio sync issue, can you provide some more information?

What is the specific resolution of the video clip (resolution, frame rate, codec)?

Is it possible to send a small sample clip that shows the issue? I will pm you more details on how to upload.
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Joe
Matrox Video Technical Support
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Luke D
(MXO2)




Joined: 04 Jul 2005
Posts: 12

PostPosted: Tue Aug 17, 2010 8:19 am    Post subject: Reply with quote

Hi Joe,

We're working on DNxHD 36 (HD1080p) which were transcoded from RED, which has all been shot at 25 fps and then synced from .wav files.

I think I have a work around; the HDMI is 2 frames behind the audio out of the MXO2. so in reality, unless I go through a mixing desk that has the facility to delay the audio, I have to take the audio that is embedded in the hdmi. I have therefore taken an audio feed out of the monitor and fed straight in to the speakers. This obviously means that the "client" monitor looks in sync, however, my computer monitors are out by two frames. If there was a software solution in the MXO's output settings, that would be helpful.

Or if you have a better solution...


Thanks for your time,

Luke
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Andy Mees
(MXO)




Joined: 04 Jul 2005
Posts: 1016

PostPosted: Wed Aug 18, 2010 12:18 am    Post subject: Reply with quote

Hey Luke

Please add your voice to this Feature Request thread:
http://forum.matrox.com/mxo/viewtopic.php?t=1946&highlight=offset

Cheers
Andy
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Matrox_Support_Joe
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Joined: 04 Jul 2005
Posts: 3323

PostPosted: Mon Aug 30, 2010 4:05 pm    Post subject: Reply with quote

Luke, I saw that you added the request in the feature request thread. I will therefore close this thread. But please feel free to start a new thread if you have any other question.

Thank you Andy for the link to the feature request thread.
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Joe
Matrox Video Technical Support
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