Stutter on live tv and recordings vs mux & dongle

[newyankee]

I have a stutter problem on both my media MVPs with either live tv or recordings depending on the channel. I am running GBPVR 1.3.11 on a p4-3.2GHz (XP) with 3Gb RAM and a hauppauge NOVA S-plus. Cyberlink mux 5.1307 or 5.2022 or ATI mux. Two MVPs H3A (wired) with mvpmc dongle 30-9-2008
Live TV buffer is 2000 ms (incrementally upped from 500 with no change in result)

A list of results on the MVP follows (everything is fine on the pc):

Throughput is 11.5 Mbit/s (with mvpmc throughput test)
CPU load on live tv is below 5%

• With mux 5.1307 I get terrible stutter live TV on BBC News (sound chopped up), other channels work but with predictable and regular stutter on fast vertical moves up to losing a few frames. Recordings work, but there's regular stutter on fast vertical moves up to losing a few frames as well.
  
• With mux 5.2022 I have good results on all BBC channels, but no luck on German channels Das Erste, ZDF and most others. Sound gets out of sync after a few seconds, then occasional black screen and sound back in sync and then it all starts over. Recordings work.
  
• With the ATI mux, sound is slightly out of sync all the time so that lip sync is unacceptable.
  
• I tried a daily alpha dongle from 25-1-2009, but that didn't change anything except for losing automatic emulation mode.
  

I can't figure what's causing this. Logs are attached. Any suggestions?

Thanks
Guido

[agh!]

I'm going to bump this as I've been having the same problem since upgrading to 1.3.11 in the last few days.
config.xml got wiped out so I had to go back and re-apply my settings. I remember I had VMR9, Cyberlink Mux and fddshow decoders used everywhere applicable before and have those settings back now.
Things play smoothly through Nero ShowTime which has it's own decoders I beleive.
No errors in my logs but could post them up in the next few hours if it helps.
Anyone got 1.3.11 running smoothly?
Seem to be seeing a lot of stutter / jerky play back issues coming up in searches since people installed 1.3.11. I understand DirectShow is doing the business of playback, anything happened here with windows updates that happens to coincide with my 1.3.11 install?

[agh!]

Quick update.
Installed GBPVR 1.3.11 on my other computer, installed the latest version of ffdshow and set GBPVR config to use it and the same recordings (which I back up onto this computer over the network frequently) work perfectly smoothly.

The older computer in my sig. below now also has latest ffdshow (10th March 2009, so very recent), still stutters on playback but not as frequently.
I'm suspicious of disk problems on the old computer, had to chkdsk recently to cure a blue screen crashing problem.

I installed latest graphics drivers on both machines too.
May try a complete reinstall of the older computer at some point or just get something new and quiet.

[mvallevand]

@agh1,This (DirectShow, decoders, ffshow etc) doesn't sound like an MVP problem, you might be best to post in the main forum to get more response.

@newyankee, that is pretty much the reality of digital broadcast, the only solution is to forget about live tv on the channels that don't work by deciding on which mux works best. You might consider TS mux and see if mvpmc works if configured as indicated in this thread http://forums.nextpvr.com/showthread.php?t=38770 Don't expect a miracle solution.

Martin

[agh!]

I picked this thread up in search resutls, didn't notice it was in the MVP section :o
I do use MVP but this is not an MVP issue.
I've noticed some of my recent recordings are damaged and produce a stutter, older recordings do not - when played on the other healthy computer I've got running GBPVR now.
I've defintaly got issues with the hard disk or hard disk controller on my "media server". Strange that Nero ShowTime plays smooth anyway on this machine, longer play back buffer may be :confused: