You are right, my tools are pretty concise to say the least.
I plan to release some tutorials in the near future.
I'm writing a specialized drum preset generator right now which I will add very soon.
In the mean time, what you can do is read the tool tips when hovering over the various widgets of the UI since I tried to explain most of the features in this manner.
TLDR;
- To create instrument presets use the tool called SMP2ds
- SMP2Ds expects a root directory for your instrument, drag and drop this folder on the SMP2ds window
- Your samples must be located in a sub-directory called "Samples" with a capital S (directly inside your instrument root directory)
- Your audio files should typically named something like this:
"Piano_A4_v127.wav" - though I strongly recommend the flac format
In this case, the pattern in SMP2ds UI should be
"{group}_{note}_{vel}" (which is the default)
Press the "Create dspreset" button to generate the preset in the root directory. And if everything is alright you should hear a notifying sound and it's done!