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Article #1252

Re: A background rumble appears in a sound from microphone in Sound blaster Live.

#1252
From: Bob I
Date: Wed, 17 Oct 2007 18:13
39 lines
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The problem is likely caused by the combination of "speakers" being 
disconnected by the insertion of the head phones AND the volume knob of 
the speakers being cranked up rather high. Now the speakers are 
amplifying the hum of the little power wart.

D wrote:

> On Oct 17, 1:44 am, "Richard Crowley" <rcrow...@xp7rt.net> wrote:
> 
>>"D"  wrote ...
>>
>>
>>>It does not hum when no headset is plugged in.
>>
>>Then you can eliminate any problem with the computer,
>>the sound card, or any software including drivers, etc.
>>
>>
>>>One of the headsets is brand new and checked.
>>
>>What does "checked" mean?  Do either of the headsets work
>>OK on another computer?
>>
>>
>>>Yes, the hum changes when I move the headset around the room: the
>>>further from the computer case the louder.
>>
>>I would take a wild guess that it has a shielding or grounding problem.
>>
>>
>>>Yes, it hums when I try using a differen computer mic: both headsets.
>>
>>The problem may be with the basic design if both headsets
>>show the same symptoms.
> 
> Thanks Richard Crowley for your suggestions!
> The hum is from speakers, not from the case.
> Yes, either of the headsets work OK on another computer.
> 
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Date: Wed, 17 Oct 2007 13:13:11 -0500
From: Bob I <birelan@yahoo.com>
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Subject: Re: A background rumble appears in a sound from microphone in Sound
 blaster Live.
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