[linux-audio-user] more about HDSP 9652/jack/ardour/hdspmixer

Hello again - I hope this is the right list for this topic (so far I can only get subscribed to two and I keep bouncing back and forth between them...) first off, may I say thank you to the list members for bearing me, and extra thank you still to those who take the time to respond - amazing gentlemen and ladies you all are; I realize I have written what amounts to several novels worth of emails in the past couple weeks! :) well I started a couple threads earlier about strangeness (or what I think was strangeness) with compiling and installing hdspmixer and such...the questions I had I didn't figure out, but somehow hdspmixer was able to run - whether it's ACTUALLY working, I don't know for sure sure... THAT having been said, I only know of a couple people who are using the HDSP 9652, along with a couple who've developed for it - Mark K, Thomas, Kevin, et al - does any of this sound familiar? : -- a) I've been doing a lot of back and forth and reading but I'm a bit confused as to what hdspmixer is DOING (which makes it harder to tell if it's working :) ) b) my goal, as I may have said on other threads, is to be running ardour with my HDSP 9652, sending each of 24 individual adat optical channels out to 1 channel input in my behringer ddx3216 (outfitted with adat i/o). An earlier thread I started was solved by me adding -d hw:0 to my jackd command line (duh), where I wasn't seeing 24 (actually 26) possible outputs when I clicked on "output" in the mixer in ardour now I'm able to see the outputs, and assign them as they should be, meanwhile in hdspmixer i've picked the preset which assigns ins, out and "playback" (what would be the difference between "out" and "playback" I wonder) to adat outputs, etc: -- first I used hdspconf to change the HDSP to 44.1 for purposes of these tests next I ran hdspmixer I kept hdspmixer running, then started jack from a terminal using: su jackd -R -d alsa -d hw:0 -r 44100 -p 2048 then started ardour from a terminal: su ardour -n <--- that's so no splash screen will appear but what was showing up at the board wasn't what I was expecting *laugh* if I routed a track to channel 1, then it showd up a 3 db too quiet at channel 1 on the mixer, and at the right volume on channel 2 (I was using a -12 1khz test tone that I generated with the board and was able to record to ardour - ardour indeed is playing it at -12.1 - I think the point 1 is explanable but I'll skip that 'cause it doesn't matter just now) if I routed the track to channel 2, it didn't show up anywhere. odd numbered tracks after that seemed to be showing up on 1-2 just like 1 did (although I can't confirm the consistancy of this) I experimented with opening up qjackconnect, which was the only one of the many patch bay programs from planet that showed 24 capture and playback channels and connecting captures to playbacks. this didn't seem to do anything, which made me wonder just what qjackconnect was for. then I closed all, closed the hdspmixer program, and started just jack and ardour. the results from that are: routed to channel 1, it shows up at channel 1, 3 db quiet, channels 3, 7, 9, 11, 17, 19 and 23 at 30 db quiet and channels 5, 13 and 21 at 12 dbs quiet - wha? routed to channel 2, it shows up only at channel 2! 3 dbs under - actually, this 3 dbs may be a non-problem issue in the board, so possibly it can be ignored routed to channel 3, it shows up on 1, 2, 3 and 4 and some other channels at half volume - wha wha? channel 4, nothing channel 5 --> 4, 5, 6 and others ok you get the picture. randomness. a weird mess. I don't know if this is a driver problem, a HDSP 9652/alsa driver patch problem, an hdspmixer problem (I did, as I mentioned, have oddities on compiling that program), a jack issue, an alsa issue, a bug in ardour, a bug in alsa drivers, etc. etc. etc. I only know of a couple people who are using the HDSP 9652 - Mark K, does any of this sound familiar? clearly there are thousands of details - anyone who wants to talk about this and wants other info, as usual, ask and ye shall receive :) (although in some cases, a request for details may yield first the question "how do I find that?" :) ) thanks and I hope this is interesting and stimulating, maybe even educational!!! :) -- -------------- Aaron Trumm NQuit www.nquit.com --------------