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UltraStudio SDI couldn't capture HD-SDI signal

PostPosted: Mon Sep 10, 2012 7:27 am
by xiangbo
I have a UltraStudio SDI connect to my windows 7 computer via a USB 3.0 connection,
I can output HD-SDI video in Resolve/Avid Media Composer 6/Adobe After Effects to my
HD-SDI monitor, but when I try to capture the HD-SDI signal from my HDW-2000P in
Avid Media Composer 6, it says no signal detected, I try to caputre HD-SDI in BlackMagic
MediaExpress and Adobe Premiere CS6 it didn't work also.
but when I connect the SDI-IN port to a SD-SDI signal, the capture works.
What's the problem is?

My computer specs:
=========================
Hardware:
Intel i7 3930k
Samsung 4G DDR3 1600 * 8 = 32GB RAM
ASUS P9X79 Pro Motherboard ( ASMedia USB3.0 Chip )
Blackmagic UltraStudio SDI with USB 3.0 connection
Nvidia GTX 560 & Nvida GTX 680
Seagate 3TB * 5 in RAID5
1200W Power Supply

Software:
Windows 7 Ultimate 64bit SP1
Avid Media Composer 6
Blackmagic Desktop Video 9.6.1
Latest ASMedia USB3.0 Driver
=========================

Thanks in advance.

--
Xiangbo