The MIDI Inputs for record-enabled MIDI and Instrument tracks determine what MIDI data is recorded in Pro Tools. MIDI Inputs can be set to a specific device (port) and channel, or they can be set to All, where all channels for all devices are merged to the track.
MIDI and Instrument tracks in Pro Tools do not contain multiple channels and always play back on the track’s assigned MIDI output device and channel. Multiple MIDI devices and channels can be simultaneously recorded to multiple tracks.
The following Pro Tools options determine whether you can record from a MIDI controller (such as a MIDI keyboard or drum pad):
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Devices that are assigned as a MIDI Controller in the Peripherals dialog (Setup > Peripherals) are ignored when MIDI tracks are recorded. This is to avoid recording data from MIDI control surfaces (such as Command|8).
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To record and play MIDI, the device must be enabled in the MIDI Input Enable dialog. For more information, see Enabling Input Devices.
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In addition, the following options affect how MIDI data is recorded in Pro Tools:
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The MIDI Input Filter can filter out MIDI messages that you may not want to record, such as Polyphonic Aftertouch or System Exclusive data. For more information, see MIDI Input Filter.
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Input Quantize, when enabled, automatically quantizes (time corrects) all MIDI notes that are recorded. For more information, see Input Quantize.
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