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My recent experimentation with the Daisy Seed platform for creating a digital guitar pedal has involved a lot of reasonably complex coding. It’s certainly not my first use of GitHub Copilot to increase my coding productivity, but it’s the first project where I have written almost none of the code. The agent models are really […]

I’ve always tended to focus on analogue guitar effects, as these offer much more subtlety in the circuit design than their digital counterparts. Looking at some of the DSP algorithms commonly available, they really don’t do a great job of simulating analogue distortion. That’s perhaps unsurprising, as distortion pedals are very non-linear and, thus, difficult […]

As George Box observed, “all models are wrong but some are useful”. When it comes to designing with valves, complete accuracy of the anode characteristic curves is generally not critical and so the challenge is obtaining usable models in the first place. By contrast, measuring and modelling real valves so that they can be compared […]

This is obviously an area I have spent some time investigating and I am pleased with the progress with the Valve Designer software as an illustration of the value of such models. However, there remain some challenges that I suspect we have yet to address. What I would love to be able to do is […]