Subject: Re: [linux-audio-user] What is status vxpocket + alsa + jack
From: digger vermont (dv_mlist_AT_verizon.net)
Date: Tue Feb 17 2004 - 05:28:43 EET
Hi Chris,
On Mon, 2004-02-16 at 20:53, Chris Pickett wrote:
> digger vermont wrote:
>
> > Hello All,
> > Is vxpocket now fully working with alsa and jack? Are there any
issues
> > with using it on a powerbook?
> >
...
> Digigram released some open source drivers, and their cards are
> supposedly well-supported (check the ALSA driver compatability matrix)
>
>
http://www.alsa-project.org/alsa-doc/index.php3?vendor=vendor-Digigram#matrix
I saw that, but it also says;
NOTE: Just because an I/O is listed does NOT mean it is guaranteed to be
supported. Please check the mailing list archives before making purchase
decisions based on requirements for IEC-60958 or ADAT I/O.
Most of what I found in the archives was from before Digigram released
the drivers.
...
>
> Anyway, I have the same card, but not a powerbook, so I felt like
> answering. It's a great card, and I was lucky to get one when
> audioMIDI.com was blowing them out last year for under $200. AFAIK,
Lucky you! The best I've seen is $369 at www.8thstreet.com which also
happens to be here in Philly.
>
> JACK doesn't interact directly with your soundcard, but rather with
ALSA
> which in turn talks to your soundcard.
Ahh, but it's not so simple. Jack has an alsa driver. My limited
understanding is that the frames/period must be a power of 2 of the
sample rate. The UA-20 is at 44100 which doesn't work. I guess I can
asume that the vxpocket at 48000 will be okay.
Thanks for your help,
digger
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