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The JX-3P has a single ADSR envelope generator and a single modulation oscillator - both software-generated (while the Juno-6 and Juno-60 use analogue circuitry for the envelope generator). The JX-3P had two distinct DCOs with detuning and several cross-modulation modes, as opposed to the single DCO with sub-oscillator design of the Juno line.
One way of stretching the length of a signal without affecting the pitch is to build a phase vocoder after Flanagan, Golden, and Portnoff.. Basic steps: compute the instantaneous frequency/amplitude relationship of the signal using the STFT, which is the discrete Fourier transform of a short, overlapping and smoothly windowed block of samples;
Modifiers such as modulation wheels, pitch bend wheels, sustain pedals, pitch sliders, buttons, knobs, faders, switches, ribbon controllers, etc., alter an instrument's state of operation, and thus can be used to modify sounds or other parameters of music performance in real time via MIDI connections.
An envelope may relate to elements such as amplitude (volume), frequency (with the use of filters) or pitch. Envelope generators , which allow users to control the different stages of a sound, are common features of synthesizers , samplers , and other electronic musical instruments .
Pitch shifters are included in most audio processors today. A harmonizer is a type of pitch shifter that combines the pitch-shifted signal with the original to create a two or more note harmony. The Eventide H910 Harmonizer, [2] released in 1975, was one of the first commercially available pitch-shifters and digital multi-effects units. On ...
Pitch correction is an electronic effects unit or audio software that changes the intonation (highness or lowness in pitch) of an audio signal so that all pitches will be notes from the equally tempered system (i.e., like the pitches on a piano). Pitch correction devices do this without affecting other aspects of its sound.
The modulation section of this synthesizer features four low-frequency oscillators. Three of these each have four available waveforms (sine, square, sawtooth and ramp), and these LFOs are dedicated to filter cutoff, and pitch of each of the two oscillators. These also have a programmable delay before their effect sets in.
The OB-Xa also added the ability to switch between 2-pole 12dB and 4-pole 24dB filtering. It offered Filter Envelope modulation for oscillator 2 (which allows the pitch to be modulated by the envelope) in place of the OB-X's ability to cross modulate (frequency modulation of the first VCO with the second VCO). [4]