CoreMIDI is the standard MIDI framework to comunicate with MIDI +hardware on OSX systems. It provides drivers and libraries needed by +MIDI clients. These ports do not show up in qjackctl
+ +ALSA MIDI is the standard MIDI framework to comunicate with MIDI +hardware on Linux systems. It provides drivers and libraries needed by +MIDI clients. These ports show up under the "ALSA" tab in qjackctl
+ +JACK MIDI is a framework used to comunicate between JACK MIDI +software clients. It provides zero jitter and a fixed latency of 1 +"period" (the same latency that exists for audio). These ports show up +under the "MIDI" tab in qjackctl. +
++Various ways of "bridging" between the native MIDI framework +(e.g. CoreMIDI or ALSA) and JACK MIDI, as described in the sections +below. +
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