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MIDI Clock Sync


The EigenD metronome can be synced to an input MIDI clock allowing other MIDI applications and devices to control the playback and tempo of EigenD. To sync the metronome to a MIDI clock, the MIDI input port must first be set to the port that the MIDI clock source is using (see MIDI Input Configuration). Note: if using the IAC Driver on both the input and output MIDI ports to connect EigenD to other applications, then currently the input and output ports must use different IAC buses.

To activate MIDI clock sync, first ensure the metronome is stopped. In Pico Factory 1 setup, the key to activate MIDI sync is included below the MIDI input port browse key in the MIDI control kgroup of the Instrument/FX control mode. In Alpha Factory setups, the activation key is located in Advanced MIDI Out 1 control mode on the key below the MIDI input port browse key.

After activating MIDI clock sync, the metronome must be started in the normal way to arm the metronome to respond to clock sync. As soon as the metronome receives a clock sync signal then EigenD will begin playback. When the clock source stops playback, then EigenD will also stop. The MIDI clock sync state can be viewed by browsing the metronome. Stopping the metronome will cause EigenD to stop independently of the clock source. If the metronome is stopped then restarted whilst a clock source is running, then the MIDI clock sync is rearmed and will start when the clock source next issues a start signal. Deactivating MIDI clock sync whilst the metronome is running will cause the metronome to continue free running at the last tempo determined by the clock source. If the MIDI clock sync is then reactivated, it will be rearmed and will start when the clock source next issues a start signal.

The MIDI clock sync can compensate for the delay that arises in sending the MIDI clock signals through system. This can be used to ensure that the metronome is tightly in sync with the clock source in terms of the average system delay. Note that small amounts of system delay variation may exist in the MIDI clock signal around the average delay. The current delay compensation setting in milliseconds is shown as the 'MIDI clock latency' when browsing the metronome. This can be adjusted in the Pico Factory 1 setup using the key below the MIDI clock sync activation key. In the Alpha Factory setups, it can be adjusted with the key located in Advanced MIDI Out 1 control mode below the MIDI clock sync activation key.