[mythtv-users] Transcoding 101

moodyjunk at frontiernet.net moodyjunk at frontiernet.net
Fri Aug 1 21:51:37 UTC 2008


Before going through the bother of setting up transcoding I need some  
basic information comparing MPEG-2 to MPEG-4 and can't seem to find it  
on the web.  I'm all for saving space, but I want a loss-less recording.
1) Does transcoding from MPEG-2 (HD cable) to MPEG-4 reduce the  
quality of the recording?
2) How much space does it save?  10%, 50%?
3) Can MPEG-4 recordings be played via MythTV Watch Recordings?

Just out of curiosity once transcoded do I need to re-commercial flag  
(don't know if the tags are offsets into the files or even direct  
cylinder/head/block addresses)?

Thanks.



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