Mini Converter HDMI to SDI 4K

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volvin.irawan

  • Posts: 7
  • Joined: Thu Sep 11, 2014 12:11 pm

Mini Converter HDMI to SDI 4K

PostThu Oct 23, 2014 11:02 am

Hi all,
I'm purchasing several BMD mini converters HDMI to SDI 4k.
However I read there are issues with this device; lots are having trouble getting signal from this converter. Any confirmation about this will be very appreciated.

I wonder if HDMI to SDI 4k is actually the same as the previous model (HDMI to SDI)?

Thanks & Regards,

Volvin
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Chad

  • Posts: 1184
  • Joined: Mon Aug 27, 2012 11:38 pm

Re: Mini Converter HDMI to SDI 4K

PostFri Oct 24, 2014 5:03 pm

The 4k versions are not the same as the non-4k miniconverters. And technically they are working exactly as designed. The problem is because they advertise ALL resolutions that they support over their HDMI connectors, computers tend to choose the highest possible one (typically 1920x1080 60hz). Unfortunately, none of Blackmagics other products (namely their capture cards, the ATEM series, and Hyperdeck recorders) support 1080p60. They at most support 1080p59.94 (not 60), or in the majority of cases 1080i59.94 (interlaced, not progressive).

Windows computers however can be manually configured to force them to output 59.94 via their advanced display settings, but Macs and most consumer camcorders do not give you that level of control.

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