[mythtv-users] Transcoding HD-PVR Recordings

belcampo belcampo at zonnet.nl
Tue Sep 21 08:25:10 UTC 2010


Bob Sully wrote:
<snip>
> 
> (1) No matter how I tweak the HD-PVR settings (right now set to 11M bit
> rate), usually a 1-hr raw HD-PVR recording runs about 1.7GB in size (also
> at 720p from the STB).  The quality seems VERY good, however.  
Don't you trust your analogue eyes ?
> I would
> think that if the bitrate was low that the quality would be poor, but this
> isn't the case - but the file sizes imply that it it IS low.
Because of the 'hard' file-size-numbers ?
> How are you
> tweaking your HD-PVR settings?
To let it look the same VERY good, but with bigger file-size ?
> Mine are set at boot time via the settings
> in the wiki.

> 
> (2) Step 4:  Can you give us the syntax of your ffmpeg command to convert
> your .avi file from avidemux into a .mkv?  I have noticed occasionally
> that the audio will be out of sync on playback until I hit the back- or
> forward-arrow key, then it's fully in-sync for the remainder of the
> playback.
> 
> Thanks!
> Bob
> 



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