4ms Company Mini PEG Benutzerhandbuch - Seite 6

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Shift

By holding down the Cycle button while turning the Offset knob, the Shift amount can

be controlled. This is similar to Offset, but is applied after the envelope is offset and

Cycle

Offset

scaled. The DC level of the Shift amount is the center-line across which the Scale knob

attenuates and inverts the envelope. Shift essentially shifts the scaled/offset envelope

up and down, causing clipping at the -9.4V and +9.4V rails.

By default, Shift is 0V, which is the most intuitive setting. Any envelope voltages

(amplitude and offset) that the Mini PEG is capable of generating can be produced

without adjusting Shift. However, with a proper understanding of DC offset, amplitude,

inversion, and clipping, changing Shift can help in special-case situations by allowing

the Scale knob to invert the envelope across a voltage other than 0V.

ENV OUT

ENV OUT is the main envelope output. Its range is from -9.4V to +9.4V. The red and

blue lights above the ENV OUT jack are helpful in determining if the envelope is

ENV OUT

positive (blue), negative (red), or both.

5V ENV

The 5V ENV jack is an envelope output that always produces a 0V to +5V envelope

regardless the Offset, Scale, and Shift settings.

5V ENV

EOF

The End-of-Fall (EOF) jack outputs a gate that goes high when the fall segment ends. If

the envelope is stopped, the jack will remain high. It will only go low when a rise

segment ends and a sustain or fall segment begins. Another name for this jack might be

EOF

"Envelope is Rising or Stopped".

In System Mode, this jack can be configured as an End-of-Rise jack, a Half-Rise jack,

or a Tap Clock output jack. End-of-Rise (EOR) goes high when a fall segment starts

(and stays high if it stops), and goes low when a rise segment starts (and stays low if it

sustains). This jack could be called "Envelope is Falling or Stopped".

Half-Rise goes high when the rise portion is half-way finished, stays high through any

sustain period, and goes low when the fall portion is half-way finished.

Tap Clock runs freely even if the envelope is not running. It outputs the raw ping clock

(before division/multiplication) that was tapped on the Ping button, ignoring any

external clocks. See the Tap Clock Output section for details.

The EOF jack outputs a square wave by default, but in System Mode it can be changed

to output triggers instead.

Maximum and Minimum Clock Times

The Mini PEG can process incoming clocks and output envelopes up to about 4kHz, with some jitter,

glitches, and imprecision. When outputting frequencies higher than 500Hz, the output will contain

increasing amounts of noise and glitches, but still holds a solid fundamental frequency and waveshape.

Since it goes well into the audio range, the Mini PEG can be used as a rudimentary lo-fi harmonizer

(e.g. sub-octave generator). Be aware that when using the Mini PEG as an audio generator, small

amounts of jitter on the incoming clock will cause large amounts of audible distortion and glitches on

the output.

The maximum envelope time is about 29 hours (1750 minutes). The maximum ping clock time is also

about 29 hours, so if you fire a clock pulse into the Ping jack once a day, the Div/Mult setting must be

= or multiplying in order to produce an accurate output.

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