ADSL Sound interference

Maljonic · Jul 6, 2002

I have bt's speedtouch adsl modem and when I play music or watch films I always get sound interference which goes away if I unplug the modem. There must be a way to fix this, BT says they don't know what I'm talking about and my local computer shop advises talking to BT

This wouldn't normally be a problem, all I have to do is unplug the thing, but my flatmate is on the net through my computer which means he can't play CS when I want to watch a film; which leaves him twiddling his thumbs for 2 hours and me feeling guilty

This rediculous farse has to end, can anyone help?

S-Gray · Jul 6, 2002

hmm, thats a strange one.

Have you tried plugging it into the other USB Port, and see if it does it then?

Embattle · Jul 6, 2002

http://forums.barrysworld.com/showthread.php?s=&threadid=22750

Wilier · Jul 6, 2002

Originally posted by Embattle
http://forums.barrysworld.com/showthread.php?s=&threadid=22750

Yeeeooowwch. Not even a word from Embeh.

Embattle · Jul 6, 2002

Easier

Maljonic · Jul 6, 2002

Originally posted by Super_Gray[SG]
hmm, thats a strange one.

That's what the guy in the shop said Yes I have tried the other port, same problem. A couple of my mates have the same modem so, when I can be arsed, I'll go round to their house and try my modem on their machine to see if the same thing happens; then I'll know it's fooked and can demand a replacement from BT.

Another strange thing about it is it doesn't affect the sound in games and high-quality divx films only certain sound files and windows sounds, I think somehow that imperfections in sound are being amplified.

As for my hardware, I've checked all their websites for anything about interference etc caused by dsl modems but found nothing.

AMD 1000mghz
Nvidia GeForce 2 32megs
Soundblaster Live surround
256megs 133 memory
Jetway something or other mainboard.
Windows XP, but it did the same thing on ME

S-Gray · Jul 6, 2002

Well its either the Modem, or Soundcard..

I have heard the Modem can cause interference between the Phone and modem (Like a Buzzing Echo noise)..

But ive never heard that the modem causes problems with Soundcards...

Embattle · Jul 6, 2002

TBH changing it may do nothing since there is a chance its just having a problem with your hardware setup.

S-Gray · Jul 6, 2002

What about Microfilters on your Phone Socket?

I think its that after lookin around the net.

Change it and test it

Summo · Jul 6, 2002

You might want to try putting your sound card into a different PCI slot and/or changing the system BIOS to manually assign a free IRQ for use by USB.

Sounds like classic IRQ conflict between your sound card and USB to me.

Maljonic · Jul 7, 2002

So far I've tried changing the filter on the socket and fiddling with irq settings with no change. I have noticed that the interference only occurs after I go on line, i.e. when my modem is actively doing something. It's a bit like it is causing a power drain which is affecting the sound but that can't be it, my psu is 300watts and I have no other usb devices.

Embattle · Jul 7, 2002

If you have a VIA based mobo have you tried the USB filter http://www.viaarena.com/?PageID=71#usb

S-Gray · Jul 7, 2002

Avoids noise from a USB audio converter or speaker.

Could be it...

Summo · Jul 7, 2002

Surely that's for a standard analogue modem? There'll be no sound interference on an ADSL modem.

IRQ conflict, I betcha. Did you manually assign an IRQ for USB to use?

Maljonic · Jul 7, 2002

Originally posted by Summo

IRQ conflict, I betcha. Did you manually assign an IRQ for USB to use?

yes

Maljonic · Jul 7, 2002

oh, and I tried downloading that thingy as well but it makes no difference.

Scooba Da Bass · Jul 7, 2002

My solution, which isn't helpful, is get a better sound card.

Maljonic · Jul 7, 2002

there's nothing wrong with my sound card, tis me modem I tells ya

Scooba Da Bass · Jul 7, 2002

Sure there is, it's a Soundblaster

Perplex · Jul 7, 2002

VIA chipset...BWAHAHAHAA...and you wonder why you have USB problems

Maljonic · Jul 7, 2002

this is turning into a dissing mal's hardware thread

Why don't you have a go at my Relisys monitor too

Perplex · Jul 7, 2002

If you scrimp on CPU/Chipset, you end up paying for it later </amd+via rant>

Maljonic · Jul 7, 2002

but I've never had any problems with my hardware setup untill now.

Summo · Jul 7, 2002

Live in the now, Perp! The AMD/VIA grudge is so three years ago.

Embattle · Jul 7, 2002

http://www.usbman.com/Guides/VIA Tips and Tricks.htm

You have the latest sound drivers too?

Wilier · Jul 7, 2002

Originally posted by Perplex
VIA chipset...BWAHAHAHAA...and you wonder why you have USB problems

Real helpfull.

Perplex · Jul 7, 2002

Originally posted by Wilier

Real helpfull.

Yes, I am. For example, my advice to you is "-l"

caLLous · Jul 8, 2002

Wiier?

Maljonic · Jul 13, 2002

I went to my local PC design shop and the guy there told me it's my Sounblaster Live card's fault. He said they are terrible for using up bandwidth which would cause my problem. I can't find a patch to cure it so I may need another sound card; though there is nothing wrong with via

Scooba Da Bass · Jul 14, 2002

Like I said way back, Creative are shit, get a decent soundcard.

ADSL Sound interference

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