Subject: Re: [linux-audio-user] How to reduce Background noise
From: ramalakshmi (ramalakshmi_AT_ncoretech.com)
Date: Thu May 30 2002 - 16:17:21 EEST
Even If there is no grounding problem...i can still hear the background
can you guide me further
Juan Linietsky wrote:
> On Thu, 30 May 2002 11:33:37 +0530
> ramalakshmi <ramalakshmi_AT_ncoretech.com> wrote:
> > Hi All ,
> > I am using sound chip UCB 1200 and i am using oss sound APIs. If
> > i will try to record from the sound chip lot of background noise
> > is coming.
> > Could you plese tell me how to reduce that background noise.
> > Thanks in Advance,
> > Ramalakshmi
> Well, background noise is the usual hell in computer based ADC cards.
> There are two things you can do, the first one is to check that only
> the input you are going to use is selected for record at the mixer.
> The second one, and _very_ important (which most people seems to
> ignore, so i'll never get tired of repeating it ;) is to make sure
> that your computer and all devices connected to it are properly
> grounded. Specially if they use heavy ac/dc converters. The case of
> your computer is usually made of metal and it shares the ground with
> everything else.
> Juan Linietsky
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