Thursday, March 31, 2011

HTPC Stutter Over HDMI on Samsung HDTV

This will be a quick one. I recently built an HTPC to run XBMC and play videos off my file share. I noticed that almost all videos had an occasional stutter that would occur every few seconds and produce a very slight stutter in the image. This happened for all file types and resolutions. I’m running with an integrated ATI HD 4250.

I eventually figured out that it was my TV settings. I was connecting over HDMI and Samsung must do some extra processing or handshaking over the HDMI to HTPC. I realized this since I connected my HTPC to my monitor at the same resolution (1080p 60hz) and I experienced perfect video playback. I eventually was able to solve the problem by setting the HDMI cable source name to PC and disabling Auto Motion Plus features. It seems like this tells the Samsung set to stop any extra processing that causes and occasional stutter.

Hope this helps someone out there!

1 comment:

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