--- Zach <[EMAIL PROTECTED]> wrote: > Hi, > > I have a problem where the audio (and video?) get's > real > choppy/stuttery. This consistently happens when > the scene is > particularly dark such as a black screen with light > text. It happens > in live TV as well as recorder shows. An example of > this are the > promos the Cartoon Network runs just before > returning from commercial > break during The Family Guy. Some commercials also > have dark screens > with white or light text. Some shows which are very > dark, such as > X-Files do it to a lesser degree. This mostly dark > screen consistenly > causes the playback to become very choppy. The > audio is the most > noticeable, but it could be the video, too. It's > hard to tell since > it's usually during a still scene. Does anyone know > what may be > causing this and if there is a fix? This is a really > strange anomaly; > intuitively it seems that a simple dark background > with text would be > less intensive than fast moving video. > > My system originally had 512mb ram, and I added > 512mb more to see if > that would help. I also read something about > setting the recording > profiles to 720*480, so I did that (they were > 480*480 by default) and > that helped some but not completely. Plus 720*480 > takes up a lot of > disk space, so I'd like to change that back if > possible. > > The cpu usage is consistenly low (<10%?). > > Any help is appreciated. Will post logs or configs > if necessary. > > My system is based on KnoppMyth R5A12 (Myth 0.17) > Combined FE/BE > It is a chaintech 7NIF2, Athlon XP 2600+ > 1GB Ram > Onboard geforce video w/tvout > PVR 250 (debug=1 for ivtv) > Maxtor DiamondMax 10+ (dma enabled) > > Thanks > Zach In mythfrontend setup - tv settings - playback, first screen make sure there is a check in extra audio buffering. That's what fixed it for me.
Howard
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