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Windows 7: Media Centre 7 Live TV audio stutter

16 Feb 2012   #1

Windows 7 Ultimate x64
Media Centre 7 Live TV audio stutter

Hi all

Ive been having troubles with my HTPC and any Freeview broadcast.

Im not too sure if its the broadcast, a hardware or codec problem.

When watching Freeview (any program, on any channel) the audio starts to stutter and eventually goes silent (quite frequently). In order to get the sound back I have to pause it and play again.
Video of problem occuring
Choppy freeview audio - YouTube

This only happens when watching live TV, but does not happen on recorded or chase play TV.

I have also pressed record while stutter occurs and recording is perfect, even thou the stutter has progressed in to silence.
The problems started when I was forced to upgrade my hardware as what I believe the PCI-E slot failed.

Both systems are running Windows 7 Ultimate 64bit and inbuilt Windows Media Center

My upgraded setup is:
- Intel i3-2100 3.1ghz processor
- Asus P8H61-M Pro motherboard
- 1 x 4gb Ram
- 550w PSU
- CoreAVC for MKV playback
- Clean install of Windows 7 Ultimate 64bit
- WPI of 4.9

Carry over components from previous system:
- Geforce 210 video card 512mb
- OEM SATA 160gb hard drive
- 2 x USB tv tuner sticks (AverTV a825 and PCTV 73e) to receive Freeview (3 x tuners)
- USB IR receiver
- OEM Compaq SR1925 case

When watching Freeview HD CPU usage is no more than 10%

My previous was a Compaq SR1925 home PC and have upgraded it with:
Compaq Presario Media Center SR1925AN Desktop PC Product Specifications Compaq Presario Media Center SR1925AN Desktop PC - HP Customer Care (New Zealand - English)
- Athlon 64 X2 3800+ processor
- 1 x 512mb, 1 x 2gb, totaling 3gb Ram
- 2nd 320gb hard drive
- CoreAVC for MKV playback
- WPI 3.8

Other components in my system are:
- Sony 40" LCD TV (connected via HDMI)
- Pioneer VSX915 amp (connected via digital coaxial(old system) / optical (new system))
- Harmony One remote
Things I have tried:
-Using drives provided by Windows update, and failing that the latest drivers from the manufacturers site.
-Attempting to change the audio codec to 3rd party codec
-Using 32bit and 64bit Windows 7
-Outputting audio to TV Via HDMI, then using stereo RCA to Amp
-Installed Mediaportal (worked without any problems so should rule out broadcast issue)

Thanks in advance

My System SpecsSystem Spec


 Media Centre 7 Live TV audio stutter

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