10 Jan
2014
10 Jan
'14
11:40 a.m.
On Fri, Jan 10, 2014 at 10:29 AM, Tim Goetze <tim(a)quitte.de> wrote:
[James Stone]
Thanks for testing this.. Quite weird - so you are getting crackles
even at 1024x3!!? That sounds really odd and definitely an
unacceptable performance. I have definitely not heard anything like
this on my device. I wonder if it is some kind of hardware fault. Are
you able to test it on a mac or windows comupter?
J
However, I fired up AVLinux, and I can go down to
32/2 @ 48k without
this problem. I then tried a generic 3.0.36 kernel on my Ubuntu Studio
setup, and although performance isn't that great (bit sensitive to
moving windows etc. to cause xruns), I can get down to 32/2 @ 48k
without any audible clicks or sound distortions..
Might be worth testing?
Tested the 2i4 again here with 3.0.89-rt118 and a variety of
buffer/period setups, no luck: it's happily crackling away.
For anyone interested in a rough impression, I did manage to record
the output for live input this time though (on another box, through a
mixing console, sorry), jackd parameters are in the filename:
http://quitte.de/tmp/2i4-48k-1024x3-crackle.wav (clicks seem to align
to 10ms intervals btw).
jackd still reported no xruns, and the input stream shows no signs of
clicking or crackling.
Cheers, Tim