[linrad] KNOPPIX alsaconf; Re: [linrad] Sound problem under Debian's Sarge

['Zaba' OH1ZAA <zaba@xxxxxx>]

Hello Patrick,

My KD7A board has probably the same built-in audio, and I saw
the same effects as you describe. My system is running Knoppix
with kernel 2.6.11 so many things may operate similarly.

The sound (at least the input-side with 'Linrad') got active
after I ran 'alsaconf'. I have been using a FT-990 for years
as a monitor pedestal (!) without any antenna, but now it is
connected to a loop on the balcony, and I get very nice spectra
on the 'Linrad' screen. My problem is still the output channel.

I have direct coupling from soundcard input to output, but no
processed audio from 'Linrad'. I tried 'alsamixer' and I get to
change the amplitude of graphical bars, but there is no change
in the audio situation.

A second card may be the answer, but I would rather configure
a 24-bit card for the input and the MB-audio for the output.
Also I do not know what happens if there are more mixers, i.e.
if I change levels with 'alsamix', can I change levels with
'aumix' or something else as well, and how is the bookkeeping
of audio levels within the linux software (generally speaking)?

Anyway, I recommend KNOPPIX 3.8.1 as well for 'Linrad' usage.
The apt-get update and upgrade worked flawlessly after I did
the obligatory manual tweaks for my HomePNA-card. I have not
found a modprobe.conf file that probably needs some pcnet32
options to allow automatic network connections at boot. It
would be nice to see this repaired shortly (as default).

                                 73, "Zaba"  OH1ZAA2



At 12:17 16.4.2005, Patrick wrote:

> Hello Ramiro and all,
>
> I have some problems with my audio system on the Debian's Sarge :
>
> When I installed the system, the only audio board on the system was the
> motherboard's built-in VT8237. Everything looked fine until I started
> Linrad. The 'U' command give me the choice between 2 different boards,
> both named '00' with the same VT8237 chipset.
>
> The soundcard test mode give a sort of square signal with the
> corresponding sound in the speaker...
>
> I suspect a misconfiguration in the audio system that reports false
> informations to Linrad, but I have no way to solve the problem.
>
> I disabled the motherboard's audio device in the BIOS, and put a good
> old Creative's ES1371, to see if this could not solve the problem , but
> I do not know how to install it....
>
> Now Linrad reports no sound device. How could I change the audio board
> without re-installing Sarge (It's fun but ...)
>
> Very 73
>
> Patrick


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