[LAU] jack2 vs. jack1/zita vs. jack2+zita-a2j, performance differences

[david]

On 04/17/2014 02:35 AM, Jonathan E. Brickman wrote:
>
>         I'm guessing the goal is to see if better performance in driving
>         softsynths can be obtained by using zita-j2a to handle output
>         rather than using jack directly interfacing with Alsa. I don't
>         think it was intended to be a jack1/jack2 match off. To me it
>         seems like an interesting experiment, and I hope Jonathan keeps
>         up the tests, despite the so far only negative feedback.
>
>         One of the fun things about being an ignorant user is to
>         sometimes try stuff out just for the heck of it and find things
>         even the original creator of something didn't intend. If people
>         only followed rules, entire genres of music wouldn't likely
>         exist, so I say bring on the experimentation.
>
>
>     absolutely agreed.
>
>
> And it is very accurate to call me an ignorant user of these tools !!!
>   I do just make lots and lots of guesses, most of them wrong, try to
> diagnose and learn, and happily (and not unsurprisingly) end up with
> good working systems :-)
>
> I'll try simplex output jack1/Zita fairly soon, unless someone beats me
> to it!  I haven't before simply because simplex has never made a
> difference for me in either vanilla Jack1 or Jack2, but I have to agree,
> Zita is enough of a game-changer to warrant such a test.

It might be worth it. My UCA202 running on my old Celeron based laptop 
couldn't do duplex at all; both audio signals were noisy and low-volume. 
On my i7 laptop, it does duplex just fine. Using JACK2 in both cases.

-- 
David W. Jones
gnome at hawaii.rr.com
authenticity, honesty, community
http://dancingtreefrog.com