Why EP Multisamples Don't Use Velocity Layers
Big software samplers stack soft, medium and hard recordings on every key. EP multisamples don't. They map one sample per zone, by pitch. Here's what that means when you're building sounds for the EP-40.
If you've used a big software sampler like Kontakt, you'll know the drill. To make a piano sound real, you record every note a few times, soft, medium, hard, and the sampler picks the right recording based on how hard you play. Those are velocity layers.
EP devices don't do that. An EP-40 multisample maps one sample per zone, chosen by pitch, not by how hard you hit the key. Coming from desktop samplers, that can feel like a limitation at first. It isn't, really. It's just a different model, and once you know it, you build better sounds for the device.
What velocity layers actually do
On a velocity-layered instrument, each key can trigger several different recordings. Play a piano key gently and you get the soft sample with its mellow tone. Hammer it and you get the hard sample, brighter and louder. The point isn't just volume. A real instrument changes timbre with how hard it's played, and layering captures that.
It's powerful, but it's heavy. You're storing a stack of recordings per note, which costs a lot of memory and a lot of sampling time.
How EP multisamples work instead
An EP-40 multisample is simpler. You map up to eight samples across the keyboard, each covering a zone, with a root note where it plays at its original pitch. Play higher or lower within a zone and the sample is pitched to suit.
One sample per zone, that's it. How hard you play affects loudness (and whatever you've set in the envelope), but it never switches to a different recording, because there isn't one to switch to. Velocity layers just aren't part of the format.
Why that's actually fine
The single-sample-per-zone model suits the EP-40 well. It's light: no stacks of recordings per note, so your samples fit comfortably and load fast. It's quick to build: you sample an instrument once across its range, not five times at five dynamics. And it plays great for what the EP-40 is for. For the basslines, stabs, keys and leads people actually make on these boxes, one well-chosen sample per zone is plenty.
Making it work for you
Since you can't lean on velocity layers for expression, get the most out of the model you do have. Pick the right single sample for each zone, one with a tone that holds up whether it's nudged a few semitones up or down. Use more zones in the low end, where pitch-shifting is less forgiving. And shape dynamics another way: the envelope, and effects on the device, do the expressive work that velocity layers would on a desktop sampler.
Want to put this into practice? See the full walkthrough in How to Make Multisamples for the EP-40 Riddim.
Build your own
EP-PatchStudio is free to download, and multisample creation is included.