Re: problems with snd_au8830 module under mandriva 2005

[Alien <alien999999999@users.sourceforge.net>]

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Op zaterdag 10 september 2005 02:40, schreef Raymond:
> When watching movie using xine (downmixing 5.1 to Surround40) with my
> au8830 on 32bits machines, the 4 channels are correct at first movie
> only. The Human voice (center) come out from rear speakers aftewards.
>
> 1) speaker-test -c 4 -D hw:0,0
> 2) using xine to play 5.1 channel-test audio samples with FFTScope enabled.

isn't it possible that xine swaps the channels? this kind of test should be 
conducted with the same tools...

> the above tests indicate that the front and rear channels are swapped
> after the first play.
>
> Please let me know if you also have this problem on your MX300.
>
> The hardware equalizer of au8830 sound much better than the software
> equalizer of XMMS.
>
> There are follow up about how to fix 32/64bits issues related to the
> equalizer and features not presented in au8820.
>
> http://sourceforge.net/mailarchive/message.php?msg_id=11997399
>
> alien seem have no interest to test the hardware equalizer
> because of the hang oops.

I finally recompiled the kernel, cause i had a power failure...

the latest thing is in place and so far i haven't had any weird hangs or 
crashes (yet),... right now, it's time to play alot of things and see what 
happens...

I'm not really interested in a hardware equalizer, just like that, it's got 
nothing to do with the hang problems (which are NOT kernel oopses, btw) (or 
not anymore, at least)

we'll see if we get that adb failure again, i've let it print 
in /var/log/messages, so, we'll see if its solved or not...

do you want me to test out the hardware equalizer? i'm not using 4.0 btw...

> Alien wrote:
> >>i'm busy with home improving but when i have time i will try the patch
> >>again on 2.6.12 kernel. I have not checked if it is the same alsa
> >>version as 2.6.11 but i think it is.
> >>
> >>b.t.w. the volume bar problem is in XMMS (didn't try other programs
> >>because i haven't a lot of time) (just online for mail checking etc.
> >>that's it)
> >>but i think alien can tell you about the volume bar problems.
> >
> > which volume bar problems are you talking about?
> > 1. the ones where if you get 49% it's loud and on 51% quite silently?
>
> This problem on STAC9704 have been fixed.
>
> > 2. or irregular sound volume when you are about halfway (without changing
> > volume yourself).
> >
> > actually after experimenting I think it might be something hardware
> > related (ie with the volume control of my speaker system, not the
> > au8810)...
> >
> >>pc information:
> >>
> >>mandriva 2005 le
> >>kernel 2.6.11
> >>amd 64 bit 3500+
> >>diamond monster sound mx300 au8830 card
> >>
> >>
> >>Erik

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