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

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Article #1261

#1261

From: D
Date: Tue, 16 Oct 2007 20:32

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On Oct 16, 2:06 pm, "kráftéé" <kraftee@b&e-cottee.me.uk> wrote:
> D wrote:
> > Hello!
> > A background (about 50hz) rumble appears in a sound from microphone.
> > Windows XP SP2.
> > I tried two headsets (which surely are good). The rumble decreases
> > if I touch the computer case. I checked the inside of the case, did
> > not find any improper contacts. The sound card is Creative sound
> > blaster live ct4830. I tried the latest Microsoft and Creative
> > drivers. The Creative driver does not output sound from microphone
> > to speakers at the same time, but only from a recording from the
> > microphone. How to prevent the rumble?
> > Best regards,
> > Dima
>
> What are you recording, I know you state form a microphone, but are
> you plugging in something else into the microphone socket? If so that
> would be the problem try plugging it into the line in socket.
>
> If it is a microphone then make sure that it is being fully pushed
> home, if it is then try another one (they aren't exactly expesinve).
>
> Others have mentioned ground loops etc, but try the easy bit (normally
> the cheapest bits) first.
>
> As a matter of fact I get a continual low level 50hz hum from my line
> in post unless I actually plug something into it then it dissapears,
> so you could also try turning off all ports you are not using before
> doing your recording.
Thanks kráftéé for your suggestions!
I checked with brand new headset - the same.

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From:  D <tarb@bk.ru>
Newsgroups: rec.audio.pro,rec.arts.movies.production.sound,24hoursupport.helpdesk,rec.audio.pro,microsoft.public.windowsxp.general
Subject: Re: A background rumble appears in a sound from microphone in Sound blaster Live.
Date: Tue, 16 Oct 2007 13:32:55 -0700
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