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Octave effect boxes are a type of special effects unit which mix the input signal with a synthesized signal whose musical tone is an octave lower or higher than the original. The synthesised octave signal is derived from the original input signal by halving (octave-down) or doubling (octave-up) the frequency.
The Voyetra-8 (Voyetra-Eight) is an eight voice polyphonic analog synthesizer.Released in 1982 by Octave-Plateau Electronics (later renamed Voyetra and still later merged with Turtle Beach Systems to become Voyetra Turtle Beach, Inc.), it was one of the first analog programmable synthesizers to be rack-mountable and remains one of the most flexible digitally controlled analog synthesizers.
The design of the Polymoog is a hybrid of the electronic organ and the synthesizer using divide-down technology, much like other string synthesizers of the time. Unlike later 1970s polyphonic synthesizers, such as the Yamaha CS-80 and Sequential Circuits Prophet-5 , the Polymoog cannot create each voice from individual oscillators and filters ...
The VCS 3 has three oscillators (the first two normal voltage-controlled oscillators; the third a low-frequency oscillator), a noise generator, two input amplifiers, a ring modulator, 24 dB/octave low-pass voltage-controlled filter, [citation needed] a trapezoid envelope generator, a joystick controller, a voltage-controlled spring reverb unit, and two voltage controlled output amplifiers.
One volt represents one octave, so the pitch produced by a voltage of 3 V is one octave lower than that produced by a voltage of 4 V. Each 1 V octave can be divided linearly into 12 semi-tones. Companies using this CV method included Roland , Moog , Sequential Circuits , Oberheim , ARP and the Eurorack standard from Doepfer , including more ...
In 2016, Arturia released an updated version of the MiniBrute. Featuring two oscillators an extensive 48-point patchbay and more modulation capabilities. This synthesizer was released in two formats, one with a 2-octave keyboard and a smaller version with a 16-pad multichannel sequencer instead called the Minibrute 2s. [14]
While the basic synthesizer architecture of the Micromoog was a simple VCO/VCF/VCA, inexpensive enhancements provide different creative options than the Minimoog. Its single voltage-controlled oscillator's waveshape is variable from sawtooth to pulse, [3] which can also be modulated. Additionally, a sub-octave can be added one or two octaves below.
GNU Octave is a scientific programming language for scientific computing and numerical computation.Octave helps in solving linear and nonlinear problems numerically, and for performing other numerical experiments using a language that is mostly compatible with MATLAB.