

KMetronome has limited session management capabilities. It can remember one connection for the ALSA output port, and one connection for its input port. Connections are stored when the program exits and remembered at startup. You don't need this feature if you prefer to make such connections by hand, using aconnect or any other equivalent utility, or if you use an external session manager like the patchbay included with the program QJackCtl.
Channel is usually 9, meaning the percussion channel of a MIDI synthesizer. It can be a number beween 0 and 15.
Program can be any value between 0 and 127. Most synthesizers don't understand program changes for the percussion channel, or require unsupported bank changes too.
Resolution is the number of ticks (time units) for each quarter note. Values are from 48 to 480.
Strong note is played as the first beat in every measure, while any other beat in the same measure is played using the weak note. Values are from 0 to 127, and the defaults 33 and 34 are the General MIDI sounds for metronome click and metronome bell.
Note velocity changes the volume to the played notes. Values from 0 to 127.
Send NOTE OFF events checkbox. Percussion sounds usually don't need Note Off events to be sent after every Note On. Un-check it only if your synthesizer or instrument supports this setting.
Note duration is the length (in number of ticks) of the time span between a Note On and its corresponding Note Off event. This control is enabled only when Send NOT OFF events is also enabled. Very low values can cause muted clicks on some synthesizers.
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