<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">On Apr 5, 2007, at 10:25 AM, Steve wrote:<DIV><BR class="khtml-block-placeholder"><DIV><BLOCKQUOTE type="cite"><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">Sounds like your mixing connections and display devices and making</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">assumptions. You also don't mention what resolution your running via</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">s-video.</FONT></P></BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Yes, I suppose I am making some assumptions. </DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Please let me attempt to clarify:</DIV><DIV>All the video-out and recording settings for myth and xorg.conf are default configs - I had made no specific changes regarding myth resolution or xorg setup. I am (erroneously perhaps) assuming as I am at work, that the default resolution for s-video is 480x480. I have since made changes to xorg.conf to get HD-Component to work.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Comparisons:</DIV><DIV>Using vga to a vga monitor: display is acceptable and playback of recordings is good</DIV><DIV>Using s-video to my LCD TV: Everything is good if not perfect</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I cannot test DVI or HDMI as I do not have those cables (and am reluctant to spend the cash until I exhaust other options).</DIV><DIV>I cannot test vga (or DVI, HDMI) to the projector as I do not have those cables.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I can and have tested s-video and HD-component to the projector:</DIV><DIV>s-video: full color - fuzzy desktop and recording playback - dvd perfect</DIV><DIV>HD-component: appears more crisp, fills the screen, but only Blue</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>The results on the projector are for all video - desktop as well as myth - hence it is my assumption (again with the assumptions!) that the core of the problem is with the x11 configuration, possibly aggravated via projector scaling.</DIV><BR><BLOCKQUOTE type="cite"> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">What I suggest is to first get 720p(1280x720) and 480i (720x480)</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">output working via component to the projector (or better HDMI/DVI) as</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">that should give you the best quality for the menu and SD content like</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">what your PVR and DVD's play at.</FONT></P></BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I am currently, after mucking about with the xorg.conf the last few days, getting fair output on HD-Component at 720p (1280x720), but it is all Blue - so I guess it is hard to tell, but it is filling the screen nicely and seems more crisp - I can more easily read desktop text. </DIV><BR><BLOCKQUOTE type="cite"> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">Now, the menu should look crisp at either resolution (though I'd</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">suggest using 720p for the menu since that is what is native for the</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">projector) since Myth pre-scales the menu to the desired resolution.</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">Then you can play with seeing whether you prefer Myth(Xv really) to</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">scale SD content to 1280x720 or the projector doing it. I suspect the</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">projector will do a better job of scaling (that's a damned good 720p</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">projector), so you would want to have Myth output your PVR and DVD</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">playback at 480i (you can also try 480p and let Myth do the</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">deinterlacing).</FONT></P></BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I believe you are correct and in fact I recall that the Myth menus do seem pretty crisp and I will certainly take a look at implementing what you propose. Is it unreasonable of me to expect that the desktop video be crisp?</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>As for the quality of the projector I am glad to hear from a "real person" it is a good one. I have only had it a couple months and I can definitely agree - my 360 and DVDs playback fantastic.</DIV><BR><BLOCKQUOTE type="cite"> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">I feel your blurry SD is due to the inherent noise of recording over</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">the PVR cards compared to the near perfectly clean DVD video,</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">especially when comparing the two.</FONT></P> </BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Hmm not to be argumentative but, given all video output (via s-vid) looks good on the LCD TV (okay as good as regular cable playback) I still am thinking X11 issues are the culprit on the projector and that the TV, which is newer production than the projector, simply dynamically manages the signal better(?).</DIV><BR><BLOCKQUOTE type="cite"><BLOCKQUOTE type="cite"> </BLOCKQUOTE><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">Make sure, given the size of your playback(projector, I'm assuming</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">100" screen? =D ), that you use 480x480 or 720x480, either should be</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">find for SD, both have their advantages given the situation, and that</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">you use a relatively high bitrate, 6000/9800 I think are good options,</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">some may say overkill, but even at those levels I sometimes notice</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">artifacting during fast movements (like sports).</FONT></P></BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I will confirm the resolution and bitrates and adjust accordingly.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>However, I think we /may/ be talking about two different yet very related issues:</DIV><DIV>1) getting xorg.conf set to correctly display all colors at optimal resolution for the projector and</DIV><DIV>2) getting optimal performance out of MythTV in conjunction with the projector</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>I am again assuming that #1 is an X11 issue and #2 is a MythTV configuration issue.</DIV><BR><BLOCKQUOTE type="cite"><P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier">heed the signature!</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Courier" size="3" style="font: 12.0px Courier"><A href="http://www.mythtv.org/wiki/index.php/Modeline_Database#Panasonic_PT-AE900U_Projector">http://www.mythtv.org/wiki/index.php/Modeline_Database#Panasonic_PT-AE900U_Projector</A></FONT></P> </BLOCKQUOTE><BR></DIV><DIV>Absolutely! And I think I had already been there before I posted my request for suggestions as that set of instructions did not work for me and to be honest the learning curve for custom configs for X, using what are in some cases undocumented options, is a bit steep. ;-)</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Thanks for your continued thoughts I am very appreciative.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>-m</DIV><BR></DIV></BODY></HTML>