Make a perfect Saw in a wave editor like Wavosaur or Sound Forge and play that in NN-XT (I suspect NN-19 is less "clean") and compare to a basic saw in Thor.
That is before we get into analog vs digital errors i.e. A perfect digital filter would be linear in every factor but an analog filter would probably boost some frequencies and attenuate others which means the sound changes timbre as the filter moves - just like a guitar string under a finger. This is what companies mean when they talk about "component modelling".įor example a perfect digital synth would make a perfect Saw shape, which may sound a bit "thin", but a Mini Moog made a shape that was a bit Rhomboid, we perceive that as being "fatter". If you want a synth to sound like an Analog synth then you need to program it so it makes all the "mistakes" that a real analog instrument would. Thor is not badly programmed because the OSC and Filters aren't "perfect", quite the opposite. in spite of the fact that it's a way more complicated synth. So I wonder if that might be an easier place to get started. The documentation goes on to explain how one would create a short pulse by setting the phase mode to subtract and using two saws, with this illustration:ĭoes this method of imagining two waveforms and then imagining what the subtraction would look like, strike you as "easily create pulse waveforms"? To me this is not easy at all, but maybe that is why I am doing a subtractive synthesis tutorial. The simple answer is that Subtractor can easily create pulse waveforms (with PWM) and oscillator sync-sounds, and a lot more besides, partly by the use of phase offset modulation. Or oscillator sync, another common feature in analog synthesizers. A seasoned synth programmer using Subtractor for the first time may wonder why the Subtractor oscillators (seemingly) cannot provide the commonly used pulse waveform and the associated pulse width modulation (PWM).
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