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LXR Mainboard V2
Just had some thoughts over at synthtopia about embedded systems for audio and putting that together with some of the things Julian has mentioned about the LXR mainboard design. There seems to be a fair amount of demand for an open-source sampler. Something that would not necessarily be as powerful as a late-era MPC, but might fill a certain gap left by the current shortage of in-production standalone samplers
IMO the LXR is very nearly there already. The only thing it really lacks is sample memory and an audio input. One of those was designed for the current mainboard already. With that expanded capability in mind, I thought I might float the idea of an improved LXR mainboard that could eventually be turned into a new product, having:
- backward compatibility with the original LXR frontpanel
- cortex M7
- some reasonable amount of flash memory, say 256 megs
- enabled audio inputs
I'd pay a good 100 euro or so for some extra processing overhead for effects, and a place to store some samples of decent length with an eye to it becoming its own form factor eventually.
IMO the LXR is very nearly there already. The only thing it really lacks is sample memory and an audio input. One of those was designed for the current mainboard already. With that expanded capability in mind, I thought I might float the idea of an improved LXR mainboard that could eventually be turned into a new product, having:
- backward compatibility with the original LXR frontpanel
- cortex M7
- some reasonable amount of flash memory, say 256 megs
- enabled audio inputs
I'd pay a good 100 euro or so for some extra processing overhead for effects, and a place to store some samples of decent length with an eye to it becoming its own form factor eventually.
Comments
making a mainboard with extra flash and a somewhat newer uC wouldn't be that much more expensive.
To get a nice polyphonic sampler (especially if we speak real sampler with recording functionality) one would need a well thought out UI and probably a lot of GUI/UI programming.
definitely quite a big project
I agree, it's ambitious - starting with just a mainboard that supports those functions might be a way to start out. Something to think about in years ahead. Cases for now