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Re: [linrad] Re: AC97 Sound card issues.
- Subject: Re: [linrad] Re: AC97 Sound card issues.
- From: "Rein A. Smit" <rein0zn@xxxxxxxxxxxxxxxxx
- Date: Fri, 11 Apr 2003 17:56:12 -0700
It seems to be some coding scheme. I had hoped it had to
do with the re-routing of the audio on the board.
Alsa is going to be part of the standard distribution shortly. ( 2.6 )
No, I just hope to get some solid help on how to set-up the routing.
It is clear that the output does not come from the processing section.
I believe it is a matter of getting the right mixer to set those
BTW the "chipset VESA" in the vgalib.config made the video board work.
Thanks, you and Jeffrey for the tip.
Kohjin Yamada wrote:
> Hi Rein,
> It's said "digital audio" but I'm not clear about PCM yet.
> Hmmm...ALSA is always annoying me, really easy to install but
> very difficult to setup due to lack of easy guide/doc.
> The worst thing is that there is no suitable example for Delta 44.
> At any rate, you can obtain lots of informations (I hate these :-(:-) here;
> There are many descriptions including mini howto etc.
> Are you trying to install ALSA?
> Don' waste your time :-)
> Kohjin - JR1EDE
> At 16:05 03/04/11 -0700, you wrote:
> > Hi All,
> > This might end up on a long message and I hope you stay with me!
> > I installed Mandrake 9.1 in a machine with a sound section on the
> > motherboard ( AC 97 )
> > In time I like to report on the experience but at this point I
> > am interested in some answers re the sound part of Linrad.
> > It appeared that the program is running I run of the audio of
> > a TS 850 and am at this point interested to use Linrad just as
> > a audio processor.
> > At this point I would like to use just this AC97 codec. Though
> > I have a Delta 44 and several sound bards with a PCI 128 for
> > later. Have also OSS on a CD downloaded.
> > Following Leif's instructions I managed to get audio into Linrad
> > It is visible in the spectrum display and I hear the incoming audio
> > on the output of the AC97 unprocessed! From what I know of the setup
> > Linrad is working and get no error messages with the from the setup
> > routine.
> > Mandrake control center reports for the souncard:
> > VT8233 ( AC97 )
> > Module snd-vua82xx
> > Driver Alsa VIA .82
> > Mandrake comes with a mixer program "Kmix"
> > I use : "MAster" ON
> > "Line input" ON
> > "Capure" ON (needs to be on to get signal into Linrad)
> > "Speaker" not active
> > "PCM" ,, ..
> > When I do "U" in de setup menu the following takes place:
> > 32: /dev/sound/dsp 48000 Hz 4 channels 16 bit
> > I select "32" and for RDWR "W"
> > Select 1 RX channel
> > Answer: dev/sound/dsp opened in RDWR mode
> > Select 8000 Hz
> > Answer: Use system mixer program to select and to disable direct
> > from input to output et
> > Input : speed 8000 Hz input format 16 bit
> > Output: no of bits: 16
> > Min output channel: 1
> > Max output channel; 1
> > audio board configured without errors!!!
> > Do W ( save )
> > It is clear that the problem appears to be that the speaker output is
> > connected to the input section and not to the processor
> > Question 1 what is the "PCM" for?
> > I hope to get some good answers.
> > Have done numerous Google searches for "mixer" AC97" Alsa etc etc
> > and gotten page after page of questions regardind AC97 and few
> > answers or even hints
> > 73 Rein W6/PA0ZN