[linux-audio-user] Delta 1010LT problems still...Desperate!!

Russell Hanaghan hanaghan at starband.net
Fri Jul 9 04:24:52 EDT 2004


On Thu, 2004-07-08 at 23:30, Russell Hanaghan wrote:
> On Thu, 2004-07-08 at 20:49, Joseph Dell'Orfano wrote:
> > I missed the beginning of this thread, so forgive me if this has already
> > been covered. Did you try listening through the onboard mixer at all?
> > This removes the software from the equation. Use envy24control and route
> > the first 2 channels through the onboard mixer, then listen for your
> > crackles/pops/snaps. My delta 1010lt performs flawlessly on linux
> > (fedora core 1).
> > 
> > -Joe
> 
> No I didn't...but thanks for the idea.
> 
> I think I have a handle on this. And mush thanks to Mr Depner for
> helping me out with an .asoundrc question.
> 
> To provide the solution after all my bleating:
> 
> I had been using the "default" alsa setting in Qjackctl. I had this
> nagging feeling that setting up an .asoundrc as I have always done in
> the past would resolve this, or at least help. I read somewhere that the
> "default" setting is not as efficient? Anyway, no amount of googling
> would give me enough info for an .asounrc config for the 8 analgue I/O's
> (or so it seemed to my sublime ignorance). I tried several different
> configs and each way I entered them thru Qjackctl would not provide
> success.
> 
> Finally, I read Jan's how to again and looking at his script and knowing
> he is also using the 1010, I saw he had the generic .asoundrc from the
> Alsa site. I e-mailed him asking how and if, in fact, he gets the 8
> I/O's showing in the Connect pannel of Qjackctl. He was kind enough to
> indulge me and said that he is now using the .asoundrc that is listed
> for a "hoontech" card with the Envy24 chip on the bottom of the Envy24
> pages in the Alsa site Details and docs. So I figured I'd plug it in and
> see...
> 
> I fired up Qjackctl again and tried the usual "hw:0" and "default"
> settings. None would connect at first. Then I tried setting the
> "channels" widgets to "0" where I had been setting them to either 2 or
> 8. I set to hw:0 and ........WAHLAA! Finally!!! This .asoundrc actually
> sets up for 12 ins and 10 outs. It's including the digital I/O's as well
> for the needs of whomever wrote this particular one. And in point of
> fact the CPU usage shown is lower using this and less call backs than
> the "default" setting.
> 
> Been farting around with it for several hours now and not one "Snap,
> crackle nor pop!"  Been using the 2.6.7 kernel with all the realtime
> goodies to see if it is better now I have a good configuration for my
> card. It seems to be...
> 
> So, it seems I'm up. (Throws salt over shoulder) I have a rehearsal
> tomorrow night so it will get a work out.
> 
> Thanks for the replies and hints. And Thanks Jan for pointing me where
> I'd already been but didn't know I was there and removing all doubt! :)
> 
> Russell

My NEXT major quest.....Learning haw tu spall!  doh!

R~
> 
> > 
> > 
> > On Thu, 2004-07-08 at 15:46, Russell Hanaghan wrote:
> > > On Thu, 2004-07-08 at 12:20, Joe Hartley wrote:
> > > > On Thu, 08 Jul 2004 10:19:41 -0700
> > > > Russell Hanaghan <hanaghan at starband.net> wrote:
> > > > 
> > > > > Still have some light "snap, crackle and pop" problems here. They don't
> > > > > seem to be related to X-runs. 
> > > > 
> > > > I was having some big problems with noises and distortion for a while.
> > > > It turns out that I had some mismatches on the dB level of my gear.  
> > > > Some worked at -10dB, some at +4dB.  When I mixed and matched it, I
> > > > had some baaaad sounds for a while.
> > > > 
> > > > I don't know how/if the 1010LT lets you change these settings, but it
> > > > might be worth looking at.
> > > 
> > > Hmmm. I hear it mostly on the ch 1 input of the 1010. Now this channel
> > > is provided with a mic preamp and it is adjustable via a jumper on the
> > > card from (I think) +4 to -10. I use this channel because the output of
> > > my Takamine is relatively low. I dont hear much distortion (unless I
> > > thump into my axe a bit) but more subtle pops at random intervals.
> > > 
> > > But I buss the other fx in seperate mixer channels in Ardour back out to
> > > seperate channels of the card. I am pretty sure I hear the odd pop in
> > > the reverb and delays as well.
> > > 
> > > R~
> > > 
> > > R~
> > > 
> > 
> 



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