Week 25: Creative Synthesis 2: Analog Synthesis
 (Gareth Mitchell)

Time period Key Equipment
Early Modular Synthesizers (1960s-1970s)Buchla Music EaseBuchla Modular Music SystemMoog Modular Synthesizers
Semi-Modular and Monophonic Synthesizers (1970s)Minimoog ARP OdysseyRoland SH-1000SH-2000 
Polyphonic Synthesizers (1970s-1980s)Polymoog Prophet-5 Jupiter-8Juno-106 Oberheim OB-Xa

Example pieces:

  • “Switched-On Bach” (1968) by Wendy Carlos, featuring the Moog Modular
  • “Oxygène” (1976) by Jean-Michel Jarre, featuring the ARP 2600 and Ems VCS3
  • “Autobahn” (1974) by Kraftwerk, featuring the Minimoog and ARP Odyssey
  • “Blade Runner” (1982) soundtrack by Vangelis, featuring the CS-80 and Prophet-5

Core Techniques and Terminology:

Subtractive SynthesisThe process of starting with a complex waveform and filtering out specific frequencies using filters and envelopes.
OscillatorsThe primary sound sources in analog synthesizers, generating basic waveforms like sine, sawtooth, square, and triangle waves.
FiltersEssential components for shaping the harmonic content of the sound, such as lowpass, highpass, and bandpass filters.
EnvelopesUsed to control the amplitude and filter cutoff over time, shaping the attack, decay, sustain, and release of the sound.
Low-Frequency OscillatorsUsed for modulating various parameters like pitch, filter cutoff, or amplitude, creating cyclic modulation effects like vibrato, tremolo
Ring ModulationA form of modulation where two signals are multiplied together, creating complex, inharmonic sidebands and metallic or bell-like tones.
Sync and Cross-ModulationTechniques for synchronizing or modulating one oscillator’s frequency by another, creating complex timbres and harmonics.
Patching and Modular SynthesisThe process of connecting various modules using patch cables to create complex signal paths and sound-shaping possibilities.

For this experiment in order for me to further understand the effects of the analog, wavetable and operator, I am going to record one sound and alternate the sound into a piece that has a bass melody, rhythmic beats, melody and supporting harmony. First i created a drum kick with alternating the analog with the combination of fil1 and noise

Then I created a bass melody with alternating the envelop and frequency 

And but alternating the wavetable by changing the sustain and release i created a smooth and soft supporting harmony

Here is the final product of a short phrase for my experiment (add audio file)

Through this experiment I’ve concluded that I could use the wavetable to smoothen out or sharpen part of my piece that i don’t like and for analog I could use it effectively to make slight changes to recorded sounds that i would like to make changes

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