Alesis DM5Pro Kit Specifications download pdf (Page 95)

Programming Drums

DM PRO REFERENCE MANUAL 9 5

ABOUT THE INDIVIDUAL ENVELOPES

Now that we have explored the various Envelope Parameters that are common to all

three Envelopes, following is an examination of each specific Envelope and how it

differs from the others.

THE PITCH ENVELOPE FUNCTION

The Pitch Envelope Function causes the pitch of a single Sound to change over time.

It is typically used in the DM Pro to simulate the scooping or diving pitch

characteristics of some hand drum instruments or even conventional kit drums. It

can also be used more radically for outlandish sound effects.

It is essential to note that the Pitch Envelope Parameters will

only affect the Sound’s

pitch if the

PENV>PITCH Parameter (Page 4 of the Drum Edit Mode Pitch Function) is

set to a Value other than 00, or if Pitch Envelope is a source in the Modulation Matrix

Function with an amount set to a Value other than 00. In other words, the Pitch

Envelope must be

programmed to modulate the Sound’s pitch – it is not

automatically set up to do so.

The Pitch Envelope is unique from the other two Envelopes in that its Release time

can be set above 99. When set above 99, the Value in the display will read

HOLD. This

indicates that the Pitch Envelope will remain at its current level even after the Gate

Time is exhausted or the Sustain Pedal is released. This is important when you want

the Pitch effect to remain even after releasing the key. For example, if the Pitch

Envelope is bending a note up, and you don’t want the pitch to fall after the Gate

Time is exhausted, set the Pitch Envelope Release Value to

HOLD.

THE FILTER ENVELOPE FUNCTION

The Filter Envelope Function causes the harmonic content of a single Sound to

change over time. It is typically used in the DM Pro to simulate the natural

occurrence where high frequencies decay faster than low frequencies. For example,

the initial attack of a crash cymbal is bright and contains much high frequency

content, but as the cymbal decays (dies out), its timbre becomes darker and more

sublime. The Filter Envelope can very accurately simulate this phenomenon.

Like the Pitch Envelope, it is essential to note that the Filter Envelope Parameters will

only affect the Sound’s tone if the F-ENV>FILT Parameter (Page 4 of the Drum Edit

Mode Filter Function) is set to a Value other than 00, or if Filter Envelope is a source

in the Modulation Matrix Function with an amount set to a Value other than 00.

Tip: For the most dynamic and noticeable Filter Envelope motion, set the Amplitude

Envelope Sustain level to its maximum Value and then control the tone of the

Sound entirely with the Filter Envelope (especially the Decay and Sustain

Parameters).

Note that the Filter Envelope may have no effect if the Values set in the Filter

Function or some other modulation source have already moved the Filter Cutoff

Frequency to its maximum Value.

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Alesis DM5Pro Kit Specifications Page 95

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