About synthesizer control voltages
Since I write about simulating classic analog synthesizers (a process often called “virtual analog”), mostly notably in my wavetable oscillator series so far, I wanted to touch on the topic of...
View ArticleWavetable oscillator video
If you find this video helpful, let me know, and I’ll work more video demonstrations into articles.
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Envelope generators—ADSR Part 1
After discussing the exponential decay of the one-pole filter in a recent article, I couldn’t help but think about envelope generators. Besides, it would be handy to have one to test out some of these...
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Envelope generators—ADSR Part 2
Certain aspects of the ADSR are up for interpretation. Exactly how the ADSR re-triggers when not starting from idle, for instance. Also, we can decide whether we want constant rate, or constant time...
View ArticleEnvelope generators—ADSR code
First, a brief example of how to use the ADSR code: // create ADSR env ADSR *env = new ADSR(); // initialize settings env->setAttackRate(.1 * sampleRate); // .1 second env->setDecayRate(.3 *...
View ArticleEnvelope generators—ADSR widget
table#controls { background: transparent; border: 0; border-collapse: separate; border-spacing: 0; } table#controls td { border: none; white-space: nowrap; } Attack Decay Sustain Release Attack Curve...
View ArticleFilters for synths–starting out
We haven’t developed a synth filter here yet… Filters we’ve presented Biquads. While they are useful for many simple cases of filtering, they are not a good choice for analog synthesizer emulation....
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Filters for synths—the 4-pole
The last post noted that the two most popular synthesizer filters are the 2-pole state variable, and the 4-pole “Moog style”. And we started with the state variable—simple, popular, and delivering...
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