ENSONIQ ASR-10 Manuel d'instructions télécharger pdf (Page 22)

Section 1 — Controls and Architecture

About Pressure 11

Pressure (After-touch)

Another important controller is Pressure. Pressure (often called after-touch) is a modulator that

allows you to change the sound in various ways by pressing down harder on a key or keys after

the initial keystrike. The ASR-10 keyboard is capable of generating two types of pressure —

Channel Pressure and Poly-Key™ Pressure.

Like the mod wheel or foot pedal, pressure is a modulator and can be chosen wherever a

modulator is selected in the programming section (see Section 9 — WaveSample and Layer Concepts)

of the ASR-10. Pressure can be assigned to alter the pitch or volume of voices, filter cutoff

frequency, LFO rate or depth, pan location, etc.

There are two types of Pressure:

• Channel Pressure, also called Mono pressure, affects all notes that are playing when you exert

pressure on any of the keys. For example, if you play a three note chord, pressing down

harder on any of the three notes of the chord will modulate all three notes. This type of

pressure is the more common of the two types.

Most MIDI instruments that currently implement pressure send and receive only channel

pressure. If you are playing such an instrument from the ASR-10, you should set the ASR-10

to send channel pressure. (Note that some devices, including all ENSONIQ products, respond

to both types of pressure.)

• Poly-Key™ Pressure, also referred to as polyphonic pressure, is a more sophisticated and

expressive type of pressure. Poly-Key pressure affects each key independently. For example,

if you play a three-note chord, pressing down harder on any of the three notes of the chord

will modulate only that note. The other two notes will remain unaffected.

Each Instrument•Sequence Track can be programmed to generate Poly-Key pressure,

channel pressure or none at all. If you wish to change the pressure type for a given track, you

can do so on the Edit/Instrument page.

Tip: Poly-Key pressure generates a tremendous amount of data and will consume sequencer memory

much faster than other types of events, such as notes and program changes. You should turn

pressure off when sequencing instruments which do not respond to pressure, such as piano and

drum sounds.

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ENSONIQ ASR-10 Manuel d'instructions Page 22