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Interlaced HD video through HDMI FCP output

Hi,

I am having difficulties monitoring my video in FCP using a mini dIsplayport to HDMI adaptor.

My footage is shot in 1080 50i and so is my sequence.

The footage was imported via log and transfer, and FCP automatically sets the dominant field to the upper field.

The footage looks fine in the canvas, but if I want to preview the footage on my 42inch TV using the HDMI adaptor, the footage looks bad whenever there is movement (due to the interlacing). I think FCP is only outputting one of the fields, not both, through the displaypot.

I have tried setting the display settings in System Preferences to both 1080p and 1080i.

Is there anything I can do so that I can preview the footage on the big screen as well as I can on my iMac?

Many thanks

iMac, Mac OS X (10.6.6)

Posted on Jan 23, 2011 11:52 PM

Reply
6 replies

Jan 24, 2011 12:01 AM in response to alexgrainger

Computer video signals don't do interlacing...not properly at all. That is your issue. You are taking a computer signal from the graphics card and putting that on an HDTV. It won't display interlacing right at all.

For this you need a VIDEO capture card. One that sends out a proper video signal, and not a converted computer one. The low end cards are the Decklink Intensity and the Matrox MXO2 mini.

Shane

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Interlaced HD video through HDMI FCP output

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