Decklink 720 to 1080 output is not working

[Walter Biscardi]

Have you Searched on the BlackMagic forum for an answer or posted there?

https://forums.creativecow.net/viewforum/124

Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.

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[Zeliha Bozkurt]

Yes I have. Waiting for a reply.

Thanks.

Zee.

Zee

[Walter Biscardi]

[Zeliha Bozkurt] “Yes I have. Waiting for a reply.

Thanks.”

Ah, well at least you tried. Sorry I can’t help, I’m an AJA guy, but I’m sure someone will be along shortly with some suggestions.

Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.

STOP STARING AND START GRADING WITH APPLE COLOR
The new Color Training DVD now available from the Creative Cow!

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[Uli Plank]

Which kind of artefacts are you experiencing? I hope you understand that it’s not easy to get from 30p to 60i.

Regards,

Uli

Director of the Institute of Media Research (IMF) at Braunschweig University of Arts

[Walter Biscardi]

[Uli Plank] “I hope you understand that it’s not easy to get from 30p to 60i.”

Actually, with AJA Konas it is. It’s complete pristine broadcast quality here with the Kona 3’s.

Walter Biscardi, Jr.
Biscardi Creative Media
HD and SD Production for Broadcast and Independent Productions.

STOP STARING AND START GRADING WITH APPLE COLOR
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[Shane Ross]

The Decklink cards aren’t designed to cross-convert 720p to 1080i…only the Kona 3 does that. What are you doing to try to get a 1080 signal?

Shane

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[Chris Borjis]

[Shane Ross] “The Decklink cards aren’t designed to cross-convert 720p to 1080i…only the Kona 3 does that. What are you doing to try to get a 1080 signal?”

yeah, I was going to ask where Zeliha found that option.

I don’t really have a need for it myself, but I wish BMD would implement that as well as 720P to SD downconversion in hardware.
(it only does 1080)

The next I/O device I buy will be a Kona 3 or I/O HD.

[Zeliha Bozkurt]

Hi

Sorry for the delay in response.

[Chris Borjis] “[Shane Ross] “The Decklink cards aren’t designed to cross-convert 720p to 1080i…only the Kona 3 does that. What are you doing to try to get a 1080 signal?”

yeah, I was going to ask where Zeliha found that option. “

Yes it does but only for monitoring purposes. You can turn this option on System Preferences>Other>Decklink. And once in Decklink select Procecessing tab and then select the Output Processing 720pHD to 1080i HD. This sets HD software cross conversion on video output.

The other options are HD to SD Letterbox 16:9 and HD to SD Anamorphic 16:9

Hope this helps.

PS: I have been using this function for the past two years and never had a problem with it. I am only experiencing this artefacts issue since I have upgraded two of my macs to intel macs.

Not sure how to solve it. No one on the Blackmagic Decklink Forum replied 🙁 I am not impressed.

Regards

Zeliha

Zee

[Gary Adcock]

[Zeliha Bozkurt] “[Chris Borjis] “[Shane Ross] “The Decklink cards aren’t designed to cross-convert 720p to 1080i…only the Kona 3 does that. What are you doing to try to get a 1080 signal?” “

I agree with Shane, it is my understanding that the BMD cards do not do cross-conversions at all.

gary adcock
Studio37
HD & Film Consultation
Post and Production Workflows
Inside look at the IoHD

[Jason Harmon]

I realize this post is a couple years old, but it still comes up when I search for the problem. As an update, I just output a 720p sequence from Final Cut through a Blackmagic HD Extreme cross converted to 1080i to a Sony HDCAM deck.

The trick is to use the 720p 59.94 easy set up… if you use the 23.978 you get crazy artifacts on the cross convert. There’s also about a two frame lag so do a test and adjust your in point on layoff accordingly.

But again… a blackmagic card will do it… given you have the right settings.