[LAU] Jackd ... add device

[mark hadman]

>From http://kokkinizita.linuxaudio.org/linuxaudio/index.html :

Zita-ajbridge
			
Zita-ajbridge provides two applications, zita-a2j and zita-j2a. They
allow to use an ALSA device as a Jack client, to provide additional
capture (a2j) or playback (j2a) channels. Functionally these are
equivalent to the alsa_in and alsa_out clients that come with Jack,
but they provide much better audio quality. The resampling ratio will
typically be stable within 1 PPM and change only very smoothly. Delay
will be stable as well even under worst case conditions, e.g. the Jack
client running near the end of the cycle





On 1 February 2013 15:36, S C Rigler <riglersc at gmail.com> wrote:
> On Fri, Feb 1, 2013 at 9:00 AM, James Harkins <jamshark70 at gmail.com> wrote:
>
>> FWIW, I tried alsa_out once upon a time, to handle a 4-channel-out USB interface
>> that appears to Linux as two stereo devices. It was a complete disaster. After
>> booting Jack and launching alsa_out, it took between 5 and 10 minutes before the
>> devices would synchronize. Before that, constant glitching. Then, if I left the
>> devices silent for a time, they would go out of sync again after a few minutes.
>> More glitching.
>>
>> At that point, I started to feel that was no longer a viable solution to
>> explore. I (still) wouldn't trust alsa_out or _in for anything serious.
>>
>> YMMV.
>>
>> hjh
>>
>
> My primary audio interface is an Echo AudioFire 4 and I'll
> occasionally use alsa_in to route a (mono) M-Audio JamLab into
> Guitarix.  It works well enough for that and what the OP was asking
> sounded like a similar case.
>
> --Steve
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