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broken sound when wi-fi is activated

Posted on 2004-03-22
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Last Modified: 2010-04-24
I have a Vaio Sony PCG-GRT260G P.IV 2.8Gh 1Gb Memory with a built in wireless network connection IEEE 802.11g.
I like to listen music when working and I use Media player 9 playlists.
Everything is working fine with all devices connected (printer, scanner, external HD Maxtor and so on..)
When I enable the WI-FI card to allow another computer to share Internet and to exchange files it also works fine but now and again the sound is broken in my computer. The music seems to stop a while and start playing again.
Has somebody an idea of what to check or what to do to avoid this very boring issue ?
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Question by:hainaux
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16 Comments
 

Expert Comment

by:ChrisTHall
ID: 10659434
Is the music you are listening to streamed from the internet? If this happens when someone is connected to your computer using your internet sharing it is probably related to processing.  Your computer is talking to this other computer and stops paying attention to other processes ie Media player.  So when whatever is playing needs to buffer more music it has to wait for the System to get back to it.  Not sure how to make your media a higher priority on the service list.
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Author Comment

by:hainaux
ID: 10659723
No. The music I am listening comes either from a CD or from an MP3 file on the hard disk. The problem occurs whatever the sound source is coming. Even a internal sound like Windows start can be broken. I suspected what you say about the alternate process but how to solve that ?
When I disconnect the Wi-Fi everything comes back to normal but ... it is not what I want.
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Expert Comment

by:ChrisTHall
ID: 10659830
you can goto task manager and under processes set the priority to either high or real time for your music program.  But, you will probably have to do it each time you start your music up.  But by putting it realtime it should give it highest priority.

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Author Comment

by:hainaux
ID: 10660274
I put windows media player (wmplayer.exe)  on "realtime" and was able to listen to a complete song without any broken area.
UNFORTUNATELY my computer froze at the end of the song and I had to switch it off and reboot.
We seem to be very close to the solution but...
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LVL 69

Expert Comment

by:Callandor
ID: 10668152
I would bet you have a task that goes out on the network looking for something.  Keep the task manager up and when you experience this, look at the process list to see what's grabbing cpu.
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Author Comment

by:hainaux
ID: 10675919
The cpu usage never falls below 7%.
I did not see any process grabbing cpu when the broken sound areas occurred.
Just the Wi-Fi is working and the ICS.
Have you any idea ?
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LVL 69

Expert Comment

by:Callandor
ID: 10677389
Does the WIFI card show up in device manager w/o exclamation marks?  There seems to be interference between the WIFI card and the sound card.  In the task manager, I was thinking about looking for a process that goes up in cpu usage when the sound dropout occurs.  Sort it by highest cpu usage so the heaviest user is at the top.
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Author Comment

by:hainaux
ID: 10679056
WIFI card is ok.
May be when the sound drop out there is a higher cpu use of vsmon.exe and explorer.exe.
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LVL 69

Expert Comment

by:Callandor
ID: 10679190
Do you have a firewall running?  If you do, this sounds like it's doing something on the network periodically.
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Author Comment

by:hainaux
ID: 10680082
Yes I have zonealarm plus running.
Do you suggest me to modify some parameters in this firewall ? If yes which one ?
Thanks
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Author Comment

by:hainaux
ID: 10680148
On the other hand why the sound doesn't dropout when Zone Alarm is running provided that WI-FI is disconnected ?
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LVL 69

Accepted Solution

by:
Callandor earned 250 total points
ID: 10683176
The vsmon.exe is what made me think about firewalls - other people reported high cpu utilization: http://miataru.computing.net/windows2000/wwwboard/forum/34590.html.  When the network is disconnected, Zone Alarm knows there is nothing to check.  I don't know which parameter to adjust, since I don't use it (I have a router), but if you're not connected to the internet, you don't need the firewall running.  On the other hand, there must be a way to decrease that cpu usage, which someone in that link may have discovered.
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Author Comment

by:hainaux
ID: 10685543
Thank you Callandor. I grant you the points for the helpfull advice.
The strange think is that under the same conditions (wi-fi- vsmon.exe etc..) the behaviour can  be different.
Sometimes the sound drops out very often and badly sometimes it is just a small slight snags now and then but after reading your comments I assume that vsmon.exe is guilty. Unfortunately I cannot disconnect zone alarm because actually the second computer uses permanently WI-FI for Internet.
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Author Comment

by:hainaux
ID: 10685545
Thank you Callandor. I grant you the points for the helpfull advice.
The strange think is that under the same conditions (wi-fi- vsmon.exe etc..) the behaviour can  be different.
Sometimes the sound drops out very often and badly sometimes it is just a small slight snags now and then but after reading your comments I assume that vsmon.exe is guilty. Unfortunately I cannot disconnect zone alarm because actually the second computer uses permanently WI-FI for Internet.
0
 

Author Comment

by:hainaux
ID: 10685552
Thank you Callandor. I grant you the points for the helpfull advice.
The strange think is that under the same conditions (wi-fi- vsmon.exe etc..) the behaviour can  be different.
Sometimes the sound drops out very often and badly sometimes it is just a small slight snags now and then but after reading your comments I assume that vsmon.exe is guilty. Unfortunately I cannot disconnect zone alarm because actually the second computer uses permanently WI-FI for Internet.
0
 

Author Comment

by:hainaux
ID: 10685646
Thank you Callandor. I grant you the points for the helpfull advice.
The strange think is that under the same conditions (wi-fi- vsmon.exe etc..) the behaviour can  be different.
Sometimes the sound drops out very often and badly sometimes it is just a small slight snags now and then but after reading your comments I assume that vsmon.exe is guilty. Unfortunately I cannot disconnect zone alarm because actually the second computer uses permanently WI-FI for Internet.
0

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