4ms EnvVCA Podręcznik użytkownika - Strona 4

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Env Jack

The Env jack outputs the envelope. The level (amplitude) is attenuated by the

Env. Level slider.

Env

Env. Level Slider

The Env. Level slider attenuates the envelope output on the Env jack. When

the slider is at the bottommost position, the Env jack will output 0V. In the

topmost position, the Env. jack will output an envelope between 0V and 10V.

The light on the Env. Level slider indicates the amplitude of the envelope on the

jack.

Note that the slider does not effect the envelope going to the internal VCA. If, for

example, the Env jack is patched to a modulation input on an external module

Env. Level

while audio is running through the VCA, the slider can be used to control the

amount of modulation without changing the audio level.

EOR Output Jack and LED

The EOR jack outputs a gate that goes high when the rise stage ends, which is

when the fall stage begins. The gate remains high as long as the envelope is

falling and goes low when the envelope completes. The jack will stay low when

EOR

the envelope is not running, and the light will shine orange when the EOR output

is high.

Audio

Audio In and Out Jacks

The Audio In and Out jacks are the input and output of the VCA. The envelope

output (pre-level slider) is internally routed to the CV input of the VCA. When the

envelope is stopped or at 0V, the Out jack will output silence. As the envelope

Out

rises, the signal will get louder until it becomes as loud as the input signal at the

peak of the envelope. As the envelope falls, the signal will fade back to silence.

Trigger Jack

The Trigger jack requires a trigger of at least 2V to start an envelope. If there is

no envelope in progress, then a trigger will initiate a single complete envelope. If

Trigger

the envelope is rising when a trigger is received, then the trigger is ignored

(unless the RETRIG jumper is installed, see below). If the envelope is falling

when a trigger is received, it will begin rising from its current voltage.

On the back of the module is a RETRIG jumper. When this jumper is installed,

the envelope will immediately jump to 0V and start rising any time a trigger is

received. This can cause a click on the VCA output, so the jumper is not

installed at the factory.

Follow Jack

The Follow jack is the input of a slew limiter, and can also be used for complex

envelope generation, exotic audio filtering, and envelope following.

Whenever the internal envelope is not triggered or cycling, the envelope output

will rise or fall in order to match the voltage level present on the Follow jack.

However, the rate of rise and fall times is limited by the positions of the Rise/Fall

sliders and the CV amounts. That is, the envelope output will try to "follow" the

signal present on the Follow jack, but it can only rise and fall as fast as the

envelope would rise/fall if it were to be triggered. Since "slew" is the rate of