<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>On Jan 27, 2008, at 7:24 PM, Scott Traurig wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div lang="EN-US" link="blue" vlink="purple"><div class="Section1"><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">I finally took the plunge into some equipment that has allowed me to really see what is going on with respect to<span class="Apple-converted-space"> </span><span class="SpellE">mythtv</span><span class="Apple-converted-space"> </span>video quality and this has begged a few questions.<o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">Previously I had a nice but old Sony tube and used composite NTSC video output of the<span class="Apple-converted-space"> </span><span class="SpellE">Nvidia</span><span class="Apple-converted-space"> </span>6xxx motherboard. It was tough to tell what was going on, of course. Now I have this beautiful Philips LCD 1080p panel that I got on sale at Costco and a DVI connection.<span class="SpellE">Ubuntu</span><span class="Apple-converted-space"> </span>is set to run the standard 1080p resolution through the<span class="Apple-converted-space"> </span><span class="SpellE">Nvidia</span><span class="Apple-converted-space"> </span>GPU. Results are as follows:<o:p></o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; "><o:p> </o:p></span></font></div><ol start="1" type="1" style="margin-top: 0in; margin-bottom: 0in; "><li class="MsoNormal" style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">PC stuff looks fabulous.<o:p></o:p></span></font></li><li class="MsoNormal" style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">Commercial DVD playback looks fabulous whether it’s 4:3, 16:9 or widescreen and whether it’s coming off the DVD or from an ISO file.<o:p></o:p></span></font></li><li class="MsoNormal" style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">Live and recorded TV using NTSC composite from my set top box into the PVR150 capture card looks terrible compared to the same signal out of the STB right into the Philips panel. I’ve got all profiles set to run 6Mbps/9Mbps (DVD quality) and going higher doesn’t help any.<o:p></o:p></span></font></li><li class="MsoNormal" style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">Live and recorded TV using the PVR150 tuner looks worse still.<o:p></o:p></span></font></li></ol><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; "><o:p> </o:p></span></font></div><div style="margin-top: 0in; margin-right: 0in; margin-left: 0in; margin-bottom: 0.0001pt; font-size: 12pt; font-family: 'Times New Roman'; "><font size="2" face="Arial"><span style="font-size: 10pt; font-family: Arial; ">I can understand #4 but not necessarily #3. Clearly the decoders and the<span class="Apple-converted-space"> </span><span class="SpellE">Nvidia</span><span class="Apple-converted-space"> </span>hardware do a fabulous job based on the DVD output. However it appears that the PVR150 encoders pretty much suck. Is this essentially the deal? Is there a better solution for tuning/encoding?</span></font></div></div></div></span></blockquote><div><br class="webkit-block-placeholder"></div>Try using s-video on the PVR if you can.</div><div><br class="webkit-block-placeholder"></div><div><br></div></body></html>