[linrad] Linrad and Debian Etch and Alsa

[w3sz <comcast.net; w3sz@xxxxxxxxxxxxxxxx>]

Hi, All,

I have Linrad-02.03 working on Debian Etch without OSS. I decided to wipe  
the hard drive and to start a Debian Etch installation again from scratch  
without installing OSS at all. SO Alsa is being used for sound.

I do not yet understand the best way to set the various [and numerous]  
Mixer controls, but I DO have things working and I am listening to 2  
meters using the WSE Linrad hardware, which Linrad-02.03 is controlling  
properly.  I do know that I select the various cards for adjusting mixer  
settings by typing alsamixergui -c0 or alsamixergui -c1 or alsamixer -c2  
[I have 3 cards in the system].

The system parameters are:

Debian Etch netinst downloaded 3-28-6.  IT is NOT the 'daily' version.
Stock kernel that came with it 2.6.15-1-486.  I have not yet upgraded to  
-686-smp.  At this point I don't know if I want to ;)
gcc version 4.0.3
nasm version 0.98.38
svgalib-1.9.24 run in NOHELPER mode with VESA driver don't forget mdev  
/dev/input/mice
Delta44 input to Linrad
Intel ICH5 output from Linrad
Intel ExtremeGraphics i810 onboard video
Pentium 4 3.2 GHz.  I think I have 1 GB of memory.

ALSA /sound components that I have installed on top of the standard  
install include:
alsa-base
alsa-utils
alsamixergui
alsa-odd
alsaplayer-alsa
alsaplayer-common
alsaplayer-gtk
alsaplayer-jack
alsa-source
alsa-tools
alsa-tools-gui
alsa-utils
gstreamer0.8-alsa
libasound2
libmikmod2
libpt-plugins-alsa
libsdl1.2debian-alsa
linux-sound-base

All of these are standard debian packages that can be gotten with apt-get  
or Synaptic.

It seems that I have to keep the Linux Sound Server Startup turned off for  
Linrad to see the ICH5 for output.

CPU utilization per Linrad is 16.8%.

I have rebooted the computer to make sure things still work after reboot.   
They do.

So 4 input channel 96000 Hz sampling will work with this setup without the  
need to invoke OSS and its funny ways.  Hurrah, Hurrah!! ;)

I will play with this more extensively to see if it is stable and if  
anything may be broken.

I can already say that on loud signals I can hear a regular 'ticking'  
sound, but I don't notice this with weaker signals.  IT is annoying but  
doesn't compromise intelligibility.

73,

Roger Rehr
W3SZ




--
Roger Rehr
W3SZ
http://www.nitehawk.com/w3sz/

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