Ubuntu Live CD and Sound

Kerry Hoath kerry at gotss.net
Fri Dec 28 23:40:44 EST 2007

Once you install ubuntu to the hard drive; you can make configuration 
changes that stick.

A live cd is exactly that;
a way of testing the system.
As to the output beeing weak from onboard cards this is simply that the 
sblive has an onboard headphone amplifier;
and onboard cards usually don't.
This is for two reasons:
1: you don't really want an onboard card with an amplifier right next to a 
source of rf-noise such as a system board so best connect to amplified 
2: not including an amplifier limits power usage, keeps cost down and 
reduces component complexity.

If you disable your onboard soundcard in the bios; it should default to the 
There is no easy way of reordering the alsa configuration without editing 
config files and the like something that is not possible off a live cd.

----- Original Message ----- 
From: "Steve Holmes" <steve at holmesgrown.com>
To: <speakup at braille.uwo.ca>
Sent: Saturday, December 29, 2007 12:00 PM
Subject: Re: Ubuntu Live CD and Sound

> Hash: RIPEMD160
> Yes; and after switching the cords around, I got sound out of the
> built-in card.  Since then, I've been redoing my kernel so both cards
> are available but again like times past, the SB Live card just does a
> better job.  The input is always so weak on these on-board cards!
> So if I want to force the Ubuntu live CD to use a specific card, how
> can I do that? Or is that even possible.  For the time being, I can
> just plug in there but I think I wanna go back to SB Live for the rest
> of my sound card neads for both in and out of gnome.
> On Fri, Dec 28, 2007 at 04:35:06AM -0600, Kenny Hitt wrote:
>> Does the system have more than one sound card?  If so, it is likely you 
>> don't have speakers connected to the
>> one Ubuntu has chosen as default.
>>           Kenny
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>> Speakup at braille.uwo.ca
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