[CentOS] Correctly setting up sound with Intel High Definition
jses27 at gmail.com
Mon Nov 24 16:37:06 UTC 2008
> -----Original Message-----
> From: centos-bounces at centos.org
> [mailto:centos-bounces at centos.org] On Behalf Of Niki Kovacs
> Sent: Sunday, November 23, 2008 3:51 PM
> To: CentOS mailing list
> Subject: [CentOS] Correctly setting up sound with Intel High
> Definition ICH7
> Earlier this day I started a thread about Skype not working with
> outgoing sound. Now I wonder if it's not a problem with my
> soundcard. I
> had a vague suspicion about this, but since it's way off the original
> topic, I decided to start a new thread about this.
> Here's what the soundcard looks like:
> [root at grossebertha etc]# lspci | grep -i audio
> 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High
> Definition Audio Controller (rev 01)
> Actually plain sound (output) works OK. I can use XMMS,
> MPlayer, VLC and
> the likes without any problem.
> On the other hand, when I try to record sound over the soundcard, the
> result is quite fuzzy, full of distortions. I tried to fiddle with
> alsamixer to get rid of the distortions, but to no avail.
> Here's what I
> did to record sound over the mic:
> $ arecord > ~/test.wav
This actually sounds like you have "EMI Interference" Electro Magnetic
Interference getting into your Mic Cable or maybe a bad mic or cable. Try
another mic if you have one or reroute the cable for the mic. Could also be
your sound card can't process the audio fast enough.
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