"Low annoying noize"

[Raas]

I have my comp sound card connected to the phono line into my stereo
and it's awesome sound but it's a low annoying noise too.
You hear it when not playing music and with high volume,it's always there.
It disappear when I click on links or move the mouse.
Is it possible to get rid of it someway???

[hestermofet]

Check to make sure there aren't too many beans in your diet.

[Raas]

My guess is you say that of own experience?

[c2R]

I've got that too. I don't know whether it's due to the optical mouse, firewire hard drive, or SCSI hard drive (or something else entirely).

I'm gonna start unplugging various things soon, as it's really bugging me.

I've got a SB-PCI128...

[Curi0us_George]

I have the same thing going on with my setup. I've been told that it might be due to a difference in electrical impedance. I don't really care enough to worry about it.

Mine is also with a crappy SB-PCI128.

[hestermofet]

What kind of speaker setup? I get a hum out of my center channel, but that's because it's not hooked up to anything...


It is very likely intereference. Moving the mouse disrupts the interference. Try moving your speakers further away from your monitors.

[fwgx]

I think it has to do with the high gain on that output. I used to get it on my machine until I used the controls to mute the line in (that was my offending output). The ammount of gain causes interferance with other lines like radio interferancce.

[steak]

Well there are two possible things that i can think of it being.

1) you say its connected to your phono output, my phono output amplifies the sound incredibly and makes it quite hissy, this is for older LPs which had to be amplified before you could here them correctly.

2) The internal CD-ROM audio cable. I had one of these on my DVD drive and every time i opened the draw it would emit a weird buzzing sound. I took the cable out and it stopped. I think you can use digital CD audio without a cable, but i just put it in my other computer and i rip CDs before listening to them (all my CD's are in perfect condition)

If thats not it then i can't be of much help.

[Raas]

Thanx for the tips,I'll try them.
But my only option to connect it to the stereo is by the phono
input.
And the speakers that came with the comp sux.
Good with headphones though.

[pyrokiwi]

phono line in ? if it is as you say a phono line this may be your problem ... phono inputs not only boost the signal largely they also slightly alter the eq or pitch of the input signal ... emphasizign the bass if im right. THis is to make vinyls sound better generally . Could also be many forms of interferance .... try turning the volume down on ur pc and up on the stereo as much as possable.

[Raas]

The only place I can connect my comp to the stereo is
where you normally should connect a vinyl player,grammophone
or what you want to call it.(my english!)
When I bought the cable I asked if it was the right cable to connect my comp to the stereo and apparently it has and is working.
Besides the noise then,but it's not THAT annoying!
It's not like an airplane or something!

[Raas]

The noise actually gets stronger the more I turn the volume up on my stereo and if I turn it up too much on my pc it gets distorted.

Originally posted by Raas
The noise actually gets stronger the more I turn the volume up on my stereo and if I turn it up too much on my pc it gets distorted.

Your problem is you are using the wrong jack.
1/Most phono's are anologe not digital and 2/ there bass responce is much stronger than say the aux.,C.D.(what you should be using preferably C.D. but aux. will do)
your distortion I bet is in the bass levels the noice I would suspect is mis-matched signal's.
try switching your jack to the C.D. and put your C.D. in aux. or just connect straight to aux..I woulf recommend the former way though as C.D. is setup for Digital source better.
Or change the setting's of your card to 'Anologue Output' this will also cure it.
Stick with swapping your jacks around though,much easier.
don't use the tape,it probably won't let you anyway.,some will some won't,but like I said that s where your prob. is from what I can see.

[c2R]

I use a variable resistor to attenuate the signal just before it goes into the phono sockets of the hi-fi (I don't have any CD or aux ones on this stereo - the machine's not my music playing one anyway, so it doesn't matter too much).

I've put the resistors in a shielded box, and that seems to have solved a lot of my sound issues. Which is moderately pleasing.

Originally posted by c2R
I use a variable resistor to attenuate the signal just before it goes into the phono sockets of the hi-fi (I don't have any CD or aux ones on this stereo - the machine's not my music playing one anyway, so it doesn't matter too much).

I've put the resistors in a shielded box, and that seems to have solved a lot of my sound issues. Which is moderately pleasing.

I of ten wondered if this would sort it as well. never tried it though. It's to do with the signals being mismatched. restance would bring them in to allignment. I'd say if you have a good card set it for anologue output as well. that would or should cure it as like I said most phon's are in this format.
thanks for that though c2R may have a play about withit sometime and see what happens

[c2R]

I've got two separate 10k variable resistors connected so as to have different level control on each channel. It is possible to get a "double" variable resistor to attenuate both channels at one, but I've found having two afford extra felxibility (it's also plugged through my VCR, and some older tapes recorded in mono have incorrect audio levels on the right channel.




Source of image: http://www.eatel.net/~amptech/elecdisc/potentio.htm

[Trigear]

i used to have this problem when i hooked up my stereo to my computer as well. i fixed it by going into volume control in windows, setting it so that all the different volume bars were showing, and then muting and unmuting them one after another. i forget which one, but one of the volume bars controls the hum and it doesn't really affect anything else.