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Thunderbolt to HDMI adapter RGB range

354 Views 0 Replies Latest reply: Feb 20, 2013 7:25 PM by Scotch_Brawth RSS
Scotch_Brawth Level 3 Level 3 (800 points)
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Feb 20, 2013 7:25 PM

Hi,

 

I use Windows 7 on my MBP to calibrate HDTVs.  However, it transpires that my current workflow is incorrect in some fashion, such that calibration results in lifted blacks.  Here's the workflow:

 

1) AVS HD 709 patterns in MP4 format

 

2) Played back in Windows Media Player

 

3) Sent over a Thunderbolt to HDMI adapter over an HDMI cable

 

4) To my HDTV expecting a limited range RGB input (ie. TV/Blu-Ray/DVD standard RGB)

 

Parts (1) and (4) aren't at fault, that much I know.  So, it has to be down to either the media player or my video output.  Anyone able to shed light here on how to force limited-range output over Thunderbolt-to-HDMI from Windows 7 Home Premium x64 to my HDTV?

 

Thanks.

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