Category Archives: Simple effects

Ring modulator Effect using Pure Data

This is a ring modulator effect for guitar (or any instrument. Try it with a voice!), loosely inspired by the Moog Ring Modulator pedal. It can be controlled by a square wave or sine LFO, much like the Moog pedal, … Continue reading

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Reverb Effect in Pure Data

It is very simple to get a nice reverb effect for guitar using Pure Data. Pd-extended comes with a very sweet external called [freeverb~]. You can get a wide range of reverb types by adjusting the room size, the level … Continue reading

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Step-vibrato effect for guitar with Pure Data

Here’s a wonderful effect that can be used with a guitar (listen to the sample at the bottom) or just any instrument. I don’t think it can be done with any existing stompbox, analog or digital (please correct me if … Continue reading

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Wha-wha (auto) with Pure Data

Pure Data comes with a set of filters useful in many different contexts. One of these filters is the [vcf~], a voltage-controlled band-pass filter. Its center frequency can be set by an audio signal, which means that it can be … Continue reading

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Vibrato with Pure Data

It is very easy to create a vibrato effect for use with a guitar (or any instrument) in Pd. The basic principle is the same as the one I used for the phaser/chorus example. If you feed the signal into … Continue reading

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Simple monophonic FM synthesizer with Pure Data

One cool object in Pd makes it possible to analyse the frequency and amplitude of a note played on a guitar. It is called [sigmund~]. One use one can make of this frequency and amplitude is to control a synth, … Continue reading

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Tremolo effect with Pure Data

In this post i’ll show you how to create a patch that works like a tremolo pedal for guitar. The basic principle is quite simple. You get the sound from your guitar through the soundcard and the [adc~] object, and … Continue reading

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