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Fuzzpilz FuDrum 2


What is it?

It's a simple drum synthesizer. While it was originally
designed for somewhat ers-ish snares, it can be used for
various other sounds as well.

How does it work?

There are two oscillators; one for a "thump" and one for
white noise, plus one filter.

Parameters

- Thump Amp: Amplitude of the thump.
- Thump Wav: Waveform of the thump.
- Thump Freq: Frequency of the thump.
- Thump Dec: Decay of the thump, i.e. the time it takes to reach -60 dB. Duh so far.
- TFD Dir: Direction of the thump frequency decay thingy.
- Thump FreD: "Frequency decay" of the thump, i.e. the time it takes to go one octave up or down, according to the setting of the TFD Dir parameter.
- Thump Limit: Minimum or maximum frequency of the sweep, depending on the direction of the frequency decay.
- Noise Amp: Amplitude of the noise hit.
- Noise Decay: Its decay.
- Target: What is filtered, i.e. nothing, thump, noise or both.
- Filter: Filter type, i.e. lowpass, highpass, bandpass 1 (constant skirt gain), bandpass 2 (constant peak gain) or bandreject (notch).
- Cut: Cutoff frequency of the filter.
- Res: Resonance of the filter.
- FD Dir: Direction of the cutoff decay.
- Filter Dec: Decay of the cutoff, works the same way as the Thump FreD parameter.
- Cut Limit: Minimum or maximum cutoff frequency.

Sequencing

The first four columns of each track are what counts here:
1. Subdivide. Divides the tick into x bits.
2. Delay. Delay the trigger by y xths.
3. Retrigger. Repeat the trigger every z xths, after the delay if it is set. (or trigger x times in z ticks)
4. Trigger. You obviously don't have to use any of the others unless you want to.

Notes

- You can give the machine a 0 for the retrigger. The resulting sound might be useful occasionally, and I like it, so I kept this.
- There's no antialiasing on the thump oscillator. I like it aliased.

Things added

- Five more waveforms - a cosine saw and four "combo" waveforms. The Combo 2 and 4 waveforms are somewhat insane and best used with frequency sweeps.
- Thump frequency and filter cutoff limits.
- Other bandpass. (yes, I'm still using the RBJ filters)
- Some optimisations that didn't help much (the performance is still crap), but may make a slight difference if you're on a slower machine, especially on the cutoff sweeps.