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KOACH · ASRs · Lesson 1 of 5

Delay, attack, release

ShapeDelay · Attack · Release

An ASR is the simplest envelope: once triggered it waits for its Delay, rises from 0 to 1 in its Attack time, and falls back to 0 in its Release time. Three times in seconds, and a shape that drives whatever reads it.

SEE IT MOVE

SCOPE · LAST 6 S
THE ASR · ONE NOTE
0.00
0.00
0.00

Computed in your browser with KINSPIRATION's ASR engine, frame by frame.

WHAT TO KNOW

THE FIELDS

Delay, Attack and Release, on the ASR page: 0 to about 30 s each. Each layer has ASR1 and ASR2.

THE SHAPE

Straight lines: 0 during the Delay, a rise to 1 over the Attack, a fall to 0 over the Release. The output is 0 to 1; a field reading it gives it a depth in its own units.

USE IT FOR

A vibrato that fades in after the note has settled, a filter that opens slowly, a level that sinks after the attack: anything that should arrive late or slowly.

WATCH OUT

Notes shorter than the Delay never hear the rest. A Release of 0 drops at once, which can click on a level.

IN THE FACTORY PROGRAMS

1566 ASRs in use in 435 factory programs: ASR1 in 1293 layers, a per-voice ASR2 in 205 and a global ASR2 in 68 programs. Median times: delay 0.1 s, attack 1 s, release 3.8 s.

THE DELAY

0 s668
0.001 to 0.2 s550
0.2 to 0.5 s176
0.5 to 1 s91
1 to 3 s80
3 s or more1

THE ATTACK

0 s129
0.001 to 0.2 s117
0.2 to 0.5 s241
0.5 to 1 s276
1 to 3 s682
3 s or more121

FIND THEM ON YOUR K2700

675 Lucid Brasslayer 1 · ASR1 Hold, ON, 0.32 / 0.24 / 1 s → PITCH src2 depth control
673 1-Note PowerRifflayer 1 · ASR2 Hold, ON, 0.02 / 4.72 / 1 s → HIPASS HP Frq -1900
703 Woodwind Sectionlayer 2 · ASR1 Hold, ON, 0.2 / 0.64 / 30 s → PITCH src2 depth control
691 Dyn Orch Trumpetslayer 1 · ASR1 Rept, ON, 1.2 / 3.96 / 5.6 s → AMP -6
693 Dyn Orch Boneslayer 1 · ASR1 Norm, ON, 0 / 0 / 0.44 s → AMP -6
683 Bull Brasslayer 1 · ASR1 Hold, Press+MW, 0 / 1.02 / 1.3 s → 2POLE LOWPASS LP Frq -9000

HOW TO ON YOUR K2700 · 675 Lucid Brass

Lucid Brass's ASR1 brings its vibrato in after the note has settled.

  1. In Program mode choose 675 Lucid Brass (KEYPAD, 675, ENTER).

    Program mode with 675 Lucid Brass

  2. Press EDIT, then MORE and LFO+. ASR1: Delay 0.32 s, Attack 0.24 s, Release 1 s, in Hold.

    The LFO+ page of 675 Lucid Brass, layer 1, the cursor on Delay (0.320)

  3. Raise the Attack, here to 0.64 s: the vibrato fades in more slowly.

    The LFO+ page of 675 Lucid Brass, layer 1, the cursor on Attack (0.640)

  4. Where it goes: on DSP MOD, the Pitch row's Depth Ctl is ASR1: the vibrato's depth follows it.

    The DSP MOD page of 675 Lucid Brass, layer 1, the cursor on Depth Ctl (ASR1)

  5. Press EXIT and answer NO to leave the factory program as it was, or SAVE to keep your version on a USER ID.