High Brent,
The problem may be the way your computer is grounded.
If there was some way to get read of the ground loop, you will get read of
the humming noise in the process.
My best regards.
John.
----- Original Message -----
From: "Brent Harding" <[email protected]>
To: "PC Audio Discussion List" <[email protected]>
Sent: Monday, April 19, 2010 6:46 PM
Subject: hum on USB headset mic?
Hi there. I've been using a Plantronics DSP-400 USB headset mic for quite
a long time now. I got another one for Christmas a few years ago that I
decided to try yesterday because the foam on the left earpiece is just
about all gone. That one never had any audio problems for me recording,
but this one I just opened has hum when I record. I think it's just a
little bit, but when you do net radio and stuff that applies processing,
that sound will become more apparent. I plugged the old one back in to get
rid of the hum even though it's getting uncomfortable to wear. How can I
get rid of the hum so I can use this new one, or did I just end up with a
defective one? I know I can't return it any more because that model isn't
made any more and it's a few years old. Why would a new one of the same
model record hum and this old one I've been using for about 4 years now
doesn't? I thought hum would be an unusual thing with USB headsets. Is
there any way around it. I'd hate to buy a bunch of USB headsets and have
to return them to find one that doesn't hum as it's important to me to
have a somewhat clean recording. I use Skype for some of those phone
systems where you have to say what you want and noise like that may screw
up the voice recognition. I can't take the cables off as they're built in,
so is there anything that can be done, or did I end up with a defective
one?
Thanks.
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