I tried changing the bitrate and stream type to several different values with no improvement.<br><br>Finally, I gave up on running myth on fedora on my setup. Installed ubuntu (fiesty fawn) and the jitter problems are gone.
<br><br>Thanks for everyone's help.<br><br>Aaron<br><br><div><span class="gmail_quote">On 6/26/07, <b class="gmail_sendername">Michael T. Dean</b> <<a href="mailto:mtdean@thirdcontact.com">mtdean@thirdcontact.com</a>
> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">On 06/25/2007 10:42 PM, Aaron Nauman wrote:<br>> Does anyone have any idea whether the changes in the ivtv settings
<br>> below could cause jitter while capturing?<br><br>Use the attached script to find your recording profile details, i.e.:<br><br>mysql -umythtv -p mythconverg < recording_profile.sql > results<br><br>For comparison, the values I use are value at the bottom of this post.
<br>It gives basically VCR quality recordings that are 1.15GiB/hr. Really,<br>the AvgBitrate should probably be 4500 and the MaxBitrate should be 6000<br>for best quality (anything higher--for either--is wasted bits), but I
<br>chose quantity over quality (the source is low quality, anyway). The<br>stream type is critical...<br><br>Mike<br><br> Profile: Default<br> Width: 720<br> Height: 480<br> StreamType: DVD-Special 2
<br> AspectRatio: 4:3<br> AvgBitrate: 2200<br> MaxBitrate: 3000<br>AudioSampleRate: 48000<br> MP3Quality: 7<br> MPEG2AudioType: Layer II<br> AudioBitrateL1: 448<br> AudioBitrateL2: 256<br><br><br><br> SELECT
<a href="http://recordingprofiles.name">recordingprofiles.name</a> as Profile,<br> max(if(<a href="http://codecparams.name">codecparams.name</a> = 'width', codecparams.value, '')) as Width,<br> max(if(
<a href="http://codecparams.name">codecparams.name</a> = 'height', codecparams.value, '')) as Height,<br> max(if(<a href="http://codecparams.name">codecparams.name</a> = 'mpeg2streamtype',
codecparams.value, '')) as StreamType,<br> max(if(<a href="http://codecparams.name">codecparams.name</a> = 'mpeg2aspectratio', codecparams.value, '')) as AspectRatio,<br> max(if(<a href="http://codecparams.name">
codecparams.name</a> = 'mpeg2bitrate', codecparams.value, '')) as AvgBitrate,<br> max(if(<a href="http://codecparams.name">codecparams.name</a> = 'mpeg2maxbitrate', codecparams.value, '')) as MaxBitrate,
<br> max(if(<a href="http://codecparams.name">codecparams.name</a> = 'samplerate', codecparams.value, '')) as AudioSampleRate,<br> max(if(<a href="http://codecparams.name">codecparams.name</a>
= 'mp3quality', codecparams.value, '')) as MP3Quality,<br> max(if(<a href="http://codecparams.name">codecparams.name</a> = 'mpeg2audtype', codecparams.value, '')) as MPEG2AudioType,
<br> max(if(<a href="http://codecparams.name">codecparams.name</a> = 'mpeg2audbitratel1', codecparams.value, '')) as AudioBitrateL1,<br> max(if(<a href="http://codecparams.name">codecparams.name
</a> = 'mpeg2audbitratel2', codecparams.value, '')) as AudioBitrateL2<br> FROM recordingprofiles, codecparams<br> WHERE <a href="http://recordingprofiles.id">recordingprofiles.id</a> = codecparams.profile
<br> AND <a href="http://codecparams.name">codecparams.name</a> IN ('width', 'height', 'mpeg2streamtype',<br> 'mpeg2aspectratio', 'mpeg2bitrate',<br>
'mpeg2maxbitrate', 'samplerate', 'mp3quality',<br> 'mpeg2audtype', 'mpeg2audbitratel1',<br> 'mpeg2audbitratel2')
<br>GROUP BY codecparams.profile\G<br><br><br>_______________________________________________<br>mythtv-users mailing list<br><a href="mailto:mythtv-users@mythtv.org">mythtv-users@mythtv.org</a><br><a href="http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users">
http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users</a><br><br></blockquote></div><br>