The Sosnowski Synthesizer
Sound Treatment
The Fourth Row
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The Sosnowski Synthesizer is organized in five "rows" from top to bottom.  This section covers the fourth row, which contains the main envelope, chorus effect, reverb effect, echo effect, and optional transposition. This is the final section in the creation of sound, where the sound is shaped by the main envelope; and given presence, depth and character with the effects.  The output may also be transposed, if desired.
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The Main Envelope
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The main envelope is one of the most important elements for the shaping of sound. While sounds can be and often are created without the use of the main envelope, in the majority of cases the main envelope will be used.  The main envelope can be turned on and off with the button switch at its upper left.  The controls in the main envelope are as follows: 
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 ADSR Envelope
In the Context of the Main Envelope
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attack The attack knob sets how rapidly  the sound reaches full volume after a note  is activated; the speed of the attack declines as the knob is turned clockwise
decay The decay knob sets how quickly the sound drops to the "sustain" level after the initial peak of the "attack"; clockwise rotation increases the decay
sustain The sustain knob sets the volume at which the sound remains following the "decay" until the note is released (this is a level, not a time period); clockwise rotation increases the sustain level
release The release sets how long it takes for the sound to fade to zero after a note is released; clockwise rotation increases the length of the release

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Chorus Effect
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The stereo chorus effect is a standard chorus with rate, depth, phase and mix controls.  Rate sets the speed of the chorus oscillator.  Depth sets its amplitude.  Phase sets the relationship between the stereo channels.  Mix sets how much of the original signal and how much of the chorus signal are passed to the final stage (that is, if  the mix knob is fully counter-clockwise, only the original signal is passed; at 12 o'clock, equal parts of the original and effect signal are passed; and fully clockwise, the signal would be completely that coming through the effect). The effect can be turned on or off with the button switch at its upper left.
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Reverb Effect
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The reverb effect is a standard reverb with size, width, damp (damping) and mix controls.  Size simulates room size (turning the knob clockwise increases size, and thus creates longer reverberation).  Width sets the width of the stereo field.  Damp (damping) damps higher frequencies to aid in controlling ringing and harshness (clockwise rotation increases damping).  Mix sets how much of the original signal and how much of the reverb signal are passed to the final stage (that is, if  the mix knob is fully counter-clockwise, only the original signal is passed; at 12 o'clock, equal parts of the original and effect signal are passed; and fully clockwise, the signal would be completely that coming through the effect).  The effect can be turned on or off with the button switch at its upper left.
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Echo Effect
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The echo effect is a stereo "ponger" echo (each echo iteration switches from one channel to the other).  The echo effect has three controls: delay, feed (feedback), and mix.  Delay sets how long the time span between each echo iteration is.  Feed (feedback) sets the feedback level (effectively, how long it takes for the echo iterations to fade away).  Mix sets how much of the original signal and how much of the echo signal are passed to the final stage (that is, if  the mix knob is fully counter-clockwise, only the original signal is passed; at 12 o'clock, equal parts of the original and effect signal are passed; and fully clockwise, the signal would be completely that coming through the effect). The effect can be turned on or off with the button switch at its upper left.
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PanX Effect
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The pan/x (PanX) effect is a custom effect, a dual-rate auto-panner.  Used skillfully, it can impart a subtle life and sense of space to a sound; and used more aggressively, it can be quite striking in the creation of spatial effects.

The pan/x effect has four controls: width, rate1, rate2, and mix.  Width sets how broadly it will pan across the stereo field (clockwise rotation increases the width).  The rate1 and rate2 knobs set the speeds of the panning; with each rate independent of the other, they create an additive effect that is the sum of the two waveforms of the different rates.  Mix sets how much of the original signal and how much of the pan/x signal are passed to the final stage (that is, if  the mix knob is fully counter-clockwise, only the original signal is passed; at 12 o'clock, equal parts of the original and effect signal are passed; and fully clockwise, the signal would be completely that coming through the effect). The effect can be turned on or off with the button switch at its upper left.
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Transpose
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The transpose section enables you to transpose the entire sound output +/- three octaves and +/- eleven semitones.  A fine tuning knob (labeled "fine") can adjust pitch +/- one semitone. Transpose can be turned on or off with the button switch at its upper left, or with the clickable label above the onboard keyboard.
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