KOACH · Envelopes · Lesson 2 of 8

Levels and loudness

LevelAMPENV level → dB

On the AMPENV a level is a loudness: 100 % is the layer's full level, 50 % is 18 dB down and 10 % is 40 dB down. A rising attack moves straight in amplitude, so even a slow one is heard at once; every other segment moves straight in dB, so a decay falls evenly to the ear.

SEE IT MOVE

SCOPE · LAST 6 S

THE PAGE AND THE SOUND

0.00

Computed in your browser with KINSPIRATION's envelope engine, frame by frame; the tone follows each note's envelope.

WHAT TO KNOW

THE TABLE

100 % 0 dB, 90 % −3.4, 75 % −8.6, 60 % −14.3, 50 % −18.1, 40 % −22.1, 25 % −28.4, 10 % −40.2, 3 % −67 and 0 % silence, straight between them.

THE SEGMENTS

A rising attack segment goes straight in amplitude between its two levels: from 0 to 100 % in 1.5 s it is only 23 dB down after 0.12 s. A falling attack, the decay and the releases go straight in dB: from 100 % to 0 % in 4 s is 24 dB a second.

USE IT FOR

Sustains of 70 to 90 % for a sound that settles a little (−11 to −3.4 dB). For a slow start from silence, rising segments through low levels: 10 %, then 50 %, then 100 %.

WATCH OUT

Half the level is far less than half as loud: 50 % is 18 dB down. Small levels are very quiet: 10 % is 40 dB down, 3 % is 67.

IN THE FACTORY PROGRAMS

The factory's User AMPENVs sustain at a median of 74 % (-9.0 dB); 1200 hold at 100 %, 1441 decay to 0 % and 1762 settle in between.

THE SUSTAIN, IN dB

below -40 dB90

-20 to -40 dB181

-10 to -20 dB395

-5 to -10 dB754

-0.01 to -5 dB342

0 dB1200

THE MOST USED SUSTAINS

75 %243

80 %222

50 %206

87 %122

74 %90

85 %81

70 %79

95 %65

FIND THEM ON YOUR K2700

703 Woodwind Sectionlayer 1 · sustain 50 % (-18.1 dB)

745 Gothic Climaxlayer 12 · sustain 75 % (-8.6 dB)

1525 Digging The Dirtlayer 2 · sustain 90 % (-3.4 dB)

796 Panoramalayer 6 · Att1 1.74 s from 0 to 100 %

884 Full Room Kitlayer 19 · a rise through 39 % first (Att1 0.32 s → 39 %, Att2 0.7 s → 84 %, Att3 0.48 s → 100 %, Dec1 6.7 s → 93 %, Rel2 0.04 s → 102 %, Rel3 5.1 s)

706 Solo Flutelayer 3 · Dec1 4.48 s to 0 %: 21 dB a second

HOW TO ON YOUR K2700 · 703 Woodwind Section

Woodwind Section's first layer settles at 50 %, 18 dB down. Move the level and listen to the loudness.

In Program mode choose 703 Woodwind Section (KEYPAD, 703, ENTER).
Press EDIT, then MORE and AMP ENV. Decay1 goes to 50 %, held while the key is down: 18 dB under the full level.
Raise the level with the Alpha Wheel, here to 75 %: 8.6 dB down now, nearly twice as loud to the ear.
Press EXIT and answer NO to leave the factory program as it was, or SAVE to keep your version on a USER ID.