Re: Setting sound card for full duplex

Nice to know my soundcard is up to snuff (I ordered a more up-to-date
one and will let the old one trickle down to my wife [who also is
using linux, although not at all a computer person]).

I found that jackd was already installed on my (debian sarge) system
by default, and I went ahead and installed audacity. I issue the
command:

$ jackd -d alsa -d hw:0,0 -S -s -r 48000 && audacity

but the loading process hangs after "configuring for
48000Hz, period = 1024 frames, buffer = 2 periods". When I kill the
hung process ("jack main caught signal 2"), the loading continues and
audacity gui comes up.

It will take some study of the audacity manual to know how to carry
out the test of my soundcard that I need to do, but my having to kill
a process involved in having jackd load audacity does not bode well.

Actually, when I use the verbose option, it does not seem to be hung
so much as trying unending series of efforts to load something. For
example,

load - 0.0098 max usecs: 2.000, spare - 23331.000

When I kill these loading efforts, I get

stopping driver
unloading driver
freeing shared port segments
stopping server thread
freeing engine shared memory
max usecs: 2.000, engine deleted

and the audacity gui appears.

--

Haines Brown, KB1GRM
Dialectical Materialist


.

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