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  1. #1
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    When our Acer 5000 with XP SP3 is booted, Windows Media player is fine, indeed robust. I can load all the other programs on the system simultaneously and play with them and the music from WMP is fine. However after several hours of use the music is intermittently interrupted / distorted into a brrrriiiinnnggggg noise, which then goes away for a while. This persists even when the load on the cpu is showing very light (<10%). I doubled the RAM from 512 to 1 gig and it made no difference. I have checked that the Realtec driver is the up to date version. The system was rebuilt from the original Acer disc about three months ago, and the problem has existed ever since.

    I intend to check if this affect the Real Media player as well but have not done so yet.

    Any other suggestions?

    Petermat

  2. #2
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    [quote name='petermat' post='800215' date='27-Oct-2009 20:36']When our Acer 5000 with XP SP3 is booted, Windows Media player is fine, indeed robust. I can load all the other programs on the system simultaneously and play with them and the music from WMP is fine. However after several hours of use the music is intermittently interrupted / distorted into a brrrriiiinnnggggg noise, which then goes away for a while. This persists even when the load on the cpu is showing very light (<10%). I doubled the RAM from 512 to 1 gig and it made no difference. I have checked that the Realtec driver is the up to date version. The system was rebuilt from the original Acer disc about three months ago, and the problem has existed ever since.

    I intend to check if this affect the Real Media player as well but have not done so yet.

    Any other suggestions?

    Petermat[/quote]

    Are you playing CDs or files on the PC?

    Joe
    Joe

  3. #3
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    Files

  4. #4
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    [quote name='petermat' post='800224' date='27-Oct-2009 23:31']Files[/quote]

    Are XP & WMP up-to-date with patches?

    Do you have any other electronics near the PC/speakers such that you could be getting electronic interference?

    Have you made any changes to the PC hardware or software since the rebuild?

    Have you checked the inside of the PC recently for dust?

    Joe
    Joe

  5. #5
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    Same problem with Real Player, so perhaps it's an OS issue? should I move this query to the OS section of the board?

    Petermat

  6. #6
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    [quote name='joeperez' post='800302' date='28-Oct-2009 14:28']Are XP & WMP up-to-date with patches?

    Do you have any other electronics near the PC/speakers such that you could be getting electronic interference?

    Have you made any changes to the PC hardware or software since the rebuild?

    Have you checked the inside of the PC recently for dust?

    Joe[/quote]

    No other electronics near speakers - certainly nothing that moves - there is a very clear correlation between run time since boot and problem occurrence. It takes typically a few hours before the problem occurs, but once it happens it does not go away until reboot. Each occurrence of the 'noise' last a couple of seconds.

    No hardware change except the additional RAM I just added - which made no difference.

    It's a laptop, so I only go inside occasionally. Certainly the fan is not running more than it used to so overheat does not seem to be a problem. Also there is no correlation to CPU load, it happens at light loads and heavy. The 'noise' last a couple of seconds.

    There have been software changes since the rebuild, but none correlate with the onset of the problem.

    XP is fully patched, and, as I said in a different reply, Real player exhibits the same problem.

    Thanks,
    Petermat

  7. #7
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    [quote name='petermat' post='800342' date='28-Oct-2009 11:59']No other electronics near speakers - certainly nothing that moves - there is a very clear correlation between run time since boot and problem occurrence. It takes typically a few hours before the problem occurs, but once it happens it does not go away until reboot. Each occurrence of the 'noise' last a couple of seconds.

    No hardware change except the additional RAM I just added - which made no difference.

    It's a laptop, so I only go inside occasionally. Certainly the fan is not running more than it used to so overheat does not seem to be a problem. Also there is no correlation to CPU load, it happens at light loads and heavy. The 'noise' last a couple of seconds.

    There have been software changes since the rebuild, but none correlate with the onset of the problem.

    XP is fully patched, and, as I said in a different reply, Real player exhibits the same problem.

    Thanks,
    Petermat[/quote]

    What happens if you don't play music but use the PC for a several hours and then start playing music?

    Do you have a modem in it?

    Joe
    Joe

  8. #8
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    This kind of symptom is often caused by a program with a "memory leak" this means that the program gradually uses up all the memory, not leaving enough for other programs to run.

    Can you look at the Performance tab of task manager and see if there is a difference in Memory or Pagefile usage between the time it works and the time when it doesn't.

    Also look on the Processes tab of task manager, click on the memory column to sort it by amount of memory used and see if any program is using much more memory when you have your problem than when it all works.

  9. #9
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    Stuart,
    Understand and agree - but I have already done this and there is no obvious correlation. I have rebooted and run everything - CPU loads on the 80%'s and PF in the 600 to near 700 region - no problem. Hours later the problem is there despite shutting everything except the media player, and CPU load is much lower - 20% or less, and PF down to the 300's. Physical Memory Total showed a similar pattern. Observing memory usage in processor window as you suggest per the trials below did not show up any memory aparently significant increase.

    Joe,
    We ran trial as you suggested - booted, no music, but 'normal usage' (which is basically Opera and Outlook Express) for several hours, then tried WMP music - which was imediatelly bad. Disconnected from the network and killed the virus check and firewall, and a couple other background programs - still bad.Thenl tried reboot and ran with, 'no apps' overnight then music for breakfast. Again it was imediatelly bad.

    The laptop does have a modem with a phone jack which has never been used. What is the relevance here?

    I plan to reboot tonight, disconnected from the network, and run with every background program / service that
    I recognise shut down, and see the result tomorrow morning.

    Petermat

  10. #10
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    Tried a reboot last night, ran no apps, disconnected from network, reduced proceses to list below (no WMP / music), and ran overnight. Music on WMP bad imediatelly in the morning.

    Image Name User Name CPU Mew Usage
    SVCHOST.EXE SYSTEM 00 27,876 K
    Explorer.EXE Susan Matthews 02 19,512 k.
    CSIA.EXE SYSTEM 00 10,088 k
    Monitor.exe Susan Matthews 00 9,764K
    SPOOLSV.EXE SYSTEM 00 7,904K
    anbmServ.exe SYSTEM 00 6,788 k
    SVCHOST.EXE LOCAL SERVICE 00 6,760 K
    taskmgr.exe Susan Matthews 00 6,696 K
    SynTFEnh.exe Susan Matthews 00 6,644 k.
    CMDAGENT.EXE SYSTEM 00 6,572 K
    SVCHOST.EXE SVCHOST.EXE 00 5,660K
    SVCHOST.EXE NETWORK SERVICE 00 5,072 K:
    ctfmon.exe Susan Matthews 00 5,00& K
    SVCHOST.EXE NETWORK SERVICE 00 4,736 K
    SVCHOST.EXE LOCAL SERVICE 00 4,552 K
    PCMservice.exe Susan Matthews 00 4,520 K
    ALG.EXE LOCAL SERVICE 00 4,396 K
    SVCHOST.EXE SYSTEM 00 4,288 k
    Rundll32.exe Susan Matthews 00 4,200 K
    CSRSS.EXE SYSTEM 00 4,168 K
    SERVICES.EXE SYSTEM 00 4,120Y.
    SCHEDUL2.EXE SYSTEM 00 3,672K
    SynTPLpr.exe Susan Matthews 00 3,546 K
    AGRSMMSG.exe Susan Matthews 00 3,460 K
    WINLOGON.EXE SYSTEM 00 2,324 K
    0QS.EXE SYSTEM 00 1,416 K
    SASS EYE SYSTEM 00 1,260 K
    SMSS.EXE SYSTEM 00 424 K
    System SYSTEM 00 2S2 K
    System Idle Process SYSTEM ,

  11. #11
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    Tried a reboot last night, ran no apps, disconnected from network, reduced processes to list below (no WMP / music), and ran overnight. Music on WMP bad immediately on running in the morning.

    Does anyone spot a culprit in this list - or other stuff I can safely shut down?

    (Sorry about the formatting, it's fine in the editor but loses spaces in the preview)

    Petermat

    Image Name User Name CPU Mew Usage
    SVCHOST.EXE SYSTEM 00 27,876 K
    Explorer.EXE Susan Matthews 02 19,512 k.
    CSIA.EXE SYSTEM 00 10,088 k
    Monitor.exe Susan Matthews 00 9,764K
    SPOOLSV.EXE SYSTEM 00 7,904K
    anbmServ.exe SYSTEM 00 6,788 k
    SVCHOST.EXE LOCAL SERVICE 00 6,760 K
    taskmgr.exe Susan Matthews 00 6,696 K
    SynTFEnh.exe Susan Matthews 00 6,644 k.
    CMDAGENT.EXE SYSTEM 00 6,572 K
    SVCHOST.EXE SVCHOST.EXE 00 5,660K
    SVCHOST.EXE NETWORK SERVICE 00 5,072 K:
    ctfmon.exe Susan Matthews 00 5,00& K
    SVCHOST.EXE NETWORK SERVICE 00 4,736 K
    SVCHOST.EXE LOCAL SERVICE 00 4,552 K
    PCMservice.exe Susan Matthews 00 4,520 K
    ALG.EXE LOCAL SERVICE 00 4,396 K
    SVCHOST.EXE SYSTEM 00 4,288 k
    Rundll32.exe Susan Matthews 00 4,200 K
    CSRSS.EXE SYSTEM 00 4,168 K
    SERVICES.EXE SYSTEM 00 4,120Y.
    SCHEDUL2.EXE SYSTEM 00 3,672K
    SynTPLpr.exe Susan Matthews 00 3,546 K
    AGRSMMSG.exe Susan Matthews 00 3,460 K
    WINLOGON.EXE SYSTEM 00 2,324 K
    0QS.EXE SYSTEM 00 1,416 K
    SASS EYE SYSTEM 00 1,260 K
    SMSS.EXE SYSTEM 00 424 K
    System SYSTEM 00 2S2 K
    System Idle Process SYSTEM

  12. #12
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    I can't see anything in your list to cause the issue, but just to add another thought here..... this behavior can be caused by another program checking for an update in the background or a program, set to auto-update, downloading &/or installing something and momentarily stealing cycles from the music player. I have the same issue with WinAmp on a Windows XP SP3, fully patched system with 512 MB RAM. It stutters from time to time.

    You might try shutting down all internet activity while you play your music, or if you want to get creative, run WMP on a virtual drive.
    <IMG SRC=http://www.wopr.com/w3tuserpics/DocWatson_sig.gif>

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