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<blockquote data-quote="damaster" data-source="post: 474521" data-attributes="member: 60795">In order to resolve this issue every user that suffers from it must provide more details, otherwise there are far too many unknowns at work here:- How is your HTPC connected to your AVR/TV?&nbsp; TV/AVR model?- Which OS (exact version/service pack)?- Which video decoder?- Which ATI driver version?- What codec the videos is used to encode the videos that are causing problems?Everybody coming on here that just says &quot;Oh I have this issue too&quot; isn't helping at all.&nbsp; There are far, far too many factors/variables at play.&nbsp; Different TVs and AVRs have different settings that affect how source video levels are treated (16-235 vs 0-255).Here's my info, as an example (and I don't have any problems, my blacks are perfectly fine for all H.264 and/or MPEG2 HD video I watch):- Connection: ATI DVI-HDMI adapter to Yamaha HTR-6190 (AVR) to Panasonic TH-58PZ800U.&nbsp; TV expects video levels (16-235) and AVR passes the signal straight through.- OS: Vista Ultimate (no SP) patched with SP1 EVR DLLs.- Decoder: MPC Video Decoder (recent SVN build).- ATI driver: 9.5, Pixel Format set to &quot;RGB 4:4:4 Studio Limited&quot;.- Video encodes: H.264/AVC/VC-1 (HD), MPEG2 (HD).In addition, please download the AVS HD 709 MP4 test patterns from AVS Forum and use them to adjust brightness/contrast correctly.&nbsp; The test patterns are also very useful to determine which black levels are being crushed.&nbsp; There's also a PDF file that documents the patterns, please read that.&nbsp; The AVS HD 709 test patterns can be found here: <a href="http://www.avsforum.com/avs-vb/showthread.php?t=948496" target="_blank">AVS HD 709 - Blu-ray, HD DVD, &amp; MP4 Calibration - AVS Forum</a></blockquote>

[QUOTE="damaster, post: 474521, member: 60795"] In order to resolve this issue every user that suffers from it must provide more details, otherwise there are far too many unknowns at work here: - How is your HTPC connected to your AVR/TV? TV/AVR model? - Which OS (exact version/service pack)? - Which video decoder? - Which ATI driver version? - What codec the videos is used to encode the videos that are causing problems? Everybody coming on here that just says "Oh I have this issue too" isn't helping at all. There are far, far too many factors/variables at play. Different TVs and AVRs have different settings that affect how source video levels are treated (16-235 vs 0-255). Here's my info, as an example (and I don't have any problems, my blacks are perfectly fine for all H.264 and/or MPEG2 HD video I watch): [B]- Connection:[/B] ATI DVI-HDMI adapter to Yamaha HTR-6190 (AVR) to Panasonic TH-58PZ800U. TV expects video levels (16-235) and AVR passes the signal straight through. [B]- OS:[/B] Vista Ultimate (no SP) patched with SP1 EVR DLLs. [B]- Decoder:[/B] MPC Video Decoder (recent SVN build). [B]- ATI driver:[/B] 9.5, Pixel Format set to "RGB 4:4:4 Studio Limited". [B]- Video encodes:[/B] H.264/AVC/VC-1 (HD), MPEG2 (HD). In addition, please download the AVS HD 709 [I]MP4[/I] test patterns from AVS Forum and use them to adjust brightness/contrast correctly. The test patterns are also very useful to determine which black levels are being crushed. There's also a PDF file that documents the patterns, please read that. The AVS HD 709 test patterns can be found here: [url=http://www.avsforum.com/avs-vb/showthread.php?t=948496]AVS HD 709 - Blu-ray, HD DVD, & MP4 Calibration - AVS Forum[/url] [/QUOTE]

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