Learning Synthesis with Pure Data Series 2
Learning Synthesis with Pure Data Series 2 picks up where the first series leaves off. In the first series, we built a modular synthesizer that models the capabilities of a simple virtual synthesizer that interacts through MIDI. In this second series, we will take modularity to a whole new level.
This series is serving as the beta test method for the LWM Rack virtual modular synthesizer system, which is a series of Pure Data patches, utilized as abstractions to build modular synthesizers by placing modules and patching them together. This system, unlike the one in series 1, is a very open and expandable system. One does not have3 a specific set of modules that all function together in a unit for loading and saving sounds. In this case, LWM Rack is a modular system that is open-ended, kind of like a virtual Euro rack, which allows one to combine nad patch modules in a myriad of ways with the ability to save the whole patch as well as the parameters of the modules.
Lesson 04 – The Modulation Oscillator
In this lesson, Dr. Moore releases the modulation oscillator for LWM Rack. This VCMO allows one to perform both amplitude modulation and frequency modulation. It also allows for slow speed modulation, like with an LFO as well as high speed modulation for FM & AM Synthesis and ring modulation. The oscillator has multiple waveforms and the parameters that one would expect in a Eurorack-like modulating oscillator.
Lesson 03 – The Oscillating VCF Module
In this lesson, we will take a look at the filter module that thus far has been made for LWM Rack for Pure Data. This filter module allows one to have both a low pass filter and band pass filter simultaneously or one at a time. The filter has cut of or center frequency and resonance settings. Additionally, the filter has an oscillator that can be used to oscillate the cutoff/center frequency. The oscillator has multiple wave shapes and the frequency range of an LFO. One can alter pulse width and also focus the noise generator that is part of the oscillator.
Lesson 02 – MIDI Controllers and Oscillator Fine tuning
In this lesson, we will look at two new modules and patch bays.. One is a MIDI Controller input module that allows one to receive continuous controller signals from a MIDI channel. One can define the 8 different controllers that can be received. The other module is a fine tuning module for the VSO. This module receives MIDI note messages and pitch bend from the other MIDI Input module, and allows one to set the detuning in semitones, octaves, and cents for a given oscillator.
Lesson 01 – The VCO, ADSR, & MIDI In Modules
This is the first lesson in the Learning Synthesis with Pure Data Series 02, which focuses on LWM Rack, a synthesizer building system and collection of Pure Data patches for making synthesizers in PD. This lesson introduced the viewer to some of the basic modules and how the system works. In this lesson, we build a simple synthesizer using the VO, ADSR, MIDI In, Audio Output, and Mono Combiner modules. As the viewer will see, this system is very open and is flexible for building synthesizers. It is almost like a virtual Eurorack system for Pure Data.