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

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Article #1221

#1221

From: D
Date: Wed, 24 Oct 2007 18:52

37 lines
3433 bytes

On Oct 24, 5:13 pm, Bob I <bire...@yahoo.com> wrote:
> D wrote:
> > On Oct 24, 1:04 am, "Richard Crowley" <rcrow...@xp7rt.net> wrote:
>
> >>"D"  wrote ...
>
> >>>Microphones with a battery do not hum. Why?
>
> >>Because the battery is independent of the mains power.
>
> >>That confirms that the problem is coming from the mains-
> >>derived microphone power coming through the sound card.
>
> >>>How to make microphones without a battery not hum?
>
> >>Replace the sound card with one that works properly.
> >>(Or just continue to use the battery.)
>
> > Thanks Richard Crowley for your answers!
> > I have two cards: SB Live ct4830 and SB 16 PnP. They both hum from a
> > headset microphone.
> > Best regards,
> > Dima
>
> I suspect that it isn't the Microphone that is humming but that a HUM is
> heard in the headphones WHEN the microphone is plugged in? If that is
> the case then perhaps the problem is the filter capacitors on the
> motherboard or powersupply are the problem?- Hide quoted text -
>
> - Show quoted text -
Thanks Bob I for your opinion!
A HUM is heard in the headphones WHEN the microphone is plugged in and
not muted. The hum is not heard when the microphone is muted.
How to know which filter capacitors are the problem: on the
motherboard or powersupply?
Best regards,
Dima

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From:  D <tarb@bk.ru>
Newsgroups: rec.audio.pro,rec.arts.movies.production.sound,24hoursupport.helpdesk,microsoft.public.windowsxp.general
Subject: Re: A background rumble appears in a sound from microphone in Sound blaster Live.
Date: Wed, 24 Oct 2007 11:52:18 -0700
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