Anyware Instruments Moodulator Manual del usuario - Página 11

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An envelope generator is a module that generates an evolving voltage at the moment it receives a gate signal

at its input. The shape of that evolving voltage depends on the parameters attack, decay, sustain and release.

Its used as a way to control parameters in a predictable way across the evolution of a note.

To trigger an Envelope Generator you have to play a note on a MIDI keyboard (which is converted internally to

a gate signal), or connect some gate source on the GATE input. Once the envelope is triggered, it will evolve

through its various stages as long as the gate signal is still "ON".

If, at any point the incoming Gate signal goes "OFF", the envelope will jump to its Release stage.

Now let's take a look at the parameters themselves.

Attack:

Is the TIME it takes to go from 0 (when the Envelope Generator begins) to maximum level.

Decay

: After the Attack stage ends, the decay stage begins,

which in fact is the TIME it takes to go from the Attack to Sustain stages.

Sustain:

This is the next stage, and is the LEVEL at which the sound stays,

after the decay, as long as the key is still held. If sustain level is 10, then decay stage is cancelled.

Release:

This last stage defines the TIME it takes the Envelope Generator to go from whatever stage it is in

at the moment we release a key to zero.

This Envelope Generator type is called ADSR for obvious reasons.

There's a blue LED indicating when the envelopes are being triggered.

There are 3 envelope generators within MOODULATOR. They have a special feature which is looping,

which means once they end, they begin again. You can use them as LFOs with strange shapes.

LFO frequencies to 300Hz

Since the segment times can be as short as 1ms, it is possible to produce LFO waveforms up

to around 300Hz. This is above Middle C!

All Envelope´s lets you choose between an Exponential or Linear mode.

Exponential and Linear Envelopes

The chip can produce classic exponential ADSR curves suitable for volume control with a linear

VCA, or can produce linear envelopes typical of early digital synths. These can be more suitable

For use with exponential VCAs.

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These Envelope Generators are used controlling the amplitude and timbre of the sound.

They can also be used to control the OSCs pitch.

ATTACK :

Defines the Attack time, from 1ms to 10 secs.

DECAY :

Defines the Decay time, from 1 ms to 10 secs.

SUSTAIN :

Defines the Sustain level, from 0 to 5 volts.

RELEASE :

Defines the release time, from 1 ms to 10 secs.

ENVELOPE GENERATORS

AMP ENV & FILTER ENV