How to install jack audio in linux mint 13 ?

[adrianmak]

I installed jackd and pulseaudio-module-jack and edited some config files

but jack audio seems not working

I got a lot of xrun message
18:00:49.808 Patchbay deactivated.
18:00:49.892 Statistics reset.
18:00:49.928 ALSA connection change.
18:00:49.985 D-BUS: Service is available (org.jackaudio.service aka jackdbus).
18:00:50.019 JACK connection change.
18:00:50.034 Client activated.
Cannot lock down 82246176 byte memory area (Cannot allocate memory)
18:00:50.264 XRUN callback (1).
18:00:52.101 XRUN callback (28 skipped).
18:00:54.107 XRUN callback (3 skipped).
18:00:55.005 XRUN callback (34).
18:00:56.112 XRUN callback (12 skipped).
18:00:58.120 XRUN callback (15 skipped).
18:01:00.126 XRUN callback (20 skipped).
18:01:00.828 XRUN callback (84).
18:01:02.135 XRUN callback (12 skipped).
18:01:02.609 XRUN callback (97).
18:01:04.143 XRUN callback (1 skipped).