|eDrum MIDI Mapper: Trigger Calibration||« Pad MIDI Input and Output Summaries | Index | Using Volume Envelopes »|
|One of the biggest problems with electronic drums is false triggering caused by rack/stand vibration or crosstalk between triggers. Trigger to MIDI modules use various methods to combat false triggering but the end result often leaves many triggers with a limited dynamic range. This fact, along with inherent differences between triggers from various manufactures can result in inconsistent sensitivity and degraded sound output when triggering software instruments.
To combat this inevitably varying dynamic range, eDrum MIDI Mapper allows you to calibrate each of Pad mapping to the natural range of a given drum trigger, and expand this input to the full MIDI velocity range. Without this velocity expansion you may only be hearing half of the sample layers in modern multi-sampled drum instruments, and miss out on ghost notes or extra-hard hits.
Calibration is achieved by setting the Softest Hit and Hardest Hit values in a Pad's edit window. It is important to use the MIDI learn function and play as naturally as possible when setting these values. You should calibrate these settings multiple times and select average velocities to ensure the the final range is a true representation of the trigger's dynamic range and not just based on an errant hit.
Although the main purpose of these settings to expand the velocity range, they can also be used to compress the range of a trigger. For example, some sample sets may provide round-robin samples only at the hardest velocity (127). To ensure you reach these samples more often, you might want to set the Hardest Hit value to 10 or 20 points below the trigger's actual maximum output. This will force a velocity of 127 for any hit over that threshold.
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