I'm playing around with the M-Audio (MidiMan) Delta 1010LT card. My plan is to install three of them, synced via word clock, and record the resulting 24 analog channels via JACK. I understand this requires some .asoundrc magic.
Questions:
- Why does the card show up with 12 inputs under JACK? As far as I could tell, the card has 8 analog ins and 2 spdif ins. Where are the extra two inputs? Shouldn't the card then be a Delta 1210LT? :->
- I've got the "plug" plugin in .asoundrc to select the first eight channels, but this has latency issues. Is "multi" the right way to go?
- Repeated attempts to create a working multi plugin have failed, based on all the usual multicard snippets floating around on the Web. I have only one Delta at the moment, so I've tried it alone and together with the dummy soundcard (i.e. one slave or two in the plugin definition). Is it OK to have only one card in multi?
In JACK I get the error: ALSA: no playback configurations available (Invalid argument)
And with aplay and arecord I get:
arecord: set_params:805: Broken configuration for this PCM: no configurations available
Takashi suggested in an old post (can't find it now) that it might have something to do with the lopsided input/output channel count of the ICE1712. Any suggestions how to get past it, if that's the case?
I would really love to hear from anyone who managed to string two or more ICE1712 cards together and used them successfully for recording under JACK.
Thanks very much in advance,
Ludwig Schwardt
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