How to Get a Lo-Fi, Crunchy Sound on Your EP Device
Clean samples too polished? Bake some grit in before you upload. Here's how to use EP-PatchStudio's Batch Processor to give your samples that lo-fi, crunchy, vintage-sampler character for boom-bap, dub, chiptune and beyond.
A lot of the magic in classic sampled music comes from the limitations of old gear: 12-bit converters, low sample rates, a bit of noise and grit. Modern samples are clean by comparison, sometimes too clean for boom-bap, dub or lo-fi hip-hop. The good news is you can put that character back, and bake it in before the samples ever reach your EP-40, EP-133 or EP-1320.
EP-PatchStudio's Batch Processor is the tool for it, the same controls you'd use to save memory, pointed at a different goal.
Where "lo-fi" actually comes from
Three things give samples that vintage, crunchy quality.
Lower bit depth raises the noise floor and adds grit. Drop to 12-bit for that classic sampler crunch, or push to 8-bit for an outright chiptune edge.
Lower sample rate rolls off and dulls the top end, and brings in a gritty, downsampled texture, the unmistakable sound of older samplers.
Mono tightens everything up and suits the era you're chasing.
Stack them and you go from pristine to dusty in one pass.
Bake it in with the Batch Processor
Rather than degrading samples one at a time, do a whole folder at once.
- Work from copies. This is destructive by design, so keep your clean originals safe.
- Open the Batch Processor and load the folder.
- Set your lo-fi targets: a lower bit depth (try 12-bit), a lower sample rate, and mono if it suits.
- Audition, then upload the crunchy versions to your device with the File Manager.
Because you're committing the sound to the file, what you hear is exactly what lands on the hardware.
Settings to try
For classic sampler crunch (boom-bap, dub), go 12-bit with the sample rate pulled down a little, and mono. Dirty but still musical.
For heavy lo-fi or chiptune, go 8-bit with the sample rate lower still. Characterful and gritty, great for stabs, blips and retro leads.
For just a touch of dust, keep the bit depth and drop only the sample rate slightly. Subtle ageing without losing punch.
Trust your ears over the numbers. Audition a couple of settings and keep the one that fits the track.
Lo-fi vs optimising: same dials, different goal
These controls also turn up in the guide to fitting more samples on your EP-133, and that's no coincidence: reducing rate and bit depth both shrinks files and adds character. The difference is intent. When you're optimising, you reduce as little as you can get away with to save space. When you're going lo-fi, you reduce because you like the sound. Same dials, you're just turning them for a different reason.
Get started
EP-PatchStudio is free to download, and the Batch Processor is included.
Download EP-PatchStudio free →
EP-PatchStudio is an independent app from SquareWave Studio. It is not affiliated with or endorsed by Teenage Engineering AB.