pulseaudio-module-jack 1:11.1-1ubuntu7 (i386 binary) in ubuntu bionic

 PulseAudio, previously known as Polypaudio, is a sound server for POSIX and
 WIN32 systems. It is a drop in replacement for the ESD sound server with
 much better latency, mixing/re-sampling quality and overall architecture.
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 These modules enables PulseAudio to connect to a jackd daemon.
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 The modules are called module-jack-sink, module-jack-source.