"JACK is not absolutely necessary for LiVES, but some of its
coolest features depend on it. Alas, JACK is not a typical
component of the general-purpose Linux desktop, though it should be
available for all mainstream Linux distributions. Serious Linux
audio producers will have it installed as a matter of course.
Tabulating JACK's virtues is beyond the scope of this article, so
I'll refer readers to the JACK Web home for current in-depth
information. However, it is worth pointing out that JACK is
specially designed to work with a kernel patched and configured for
low-latency performance, so if you plan to use it make sure that
you also have access to a modified kernel. Fortunately most
mainstream distributions now include a realtime kernel in their
repositories. Check with your package management software to see if
an rt kernel is available for your distribution of choice. Further
adjustment to your system may be necessary before you can enjoy the
benefits of low-latency realtime operations. See the JACK FAQ sheet
for complete instructions.
"Okay, you have a low-latency kernel, JACK is present and
correctly configured for realtime performance, and LiVES starts up
properly. You may note that when the program opens it lists the
support components compiled into the binary (see Figure 1).
Assuming no faults or showstopping bugs we're ready to work with
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