20-EDD

De Wiki Purdal
Saltar a: navegación, buscar

Dot-Guide for 20-EDD instruments

20-EDD Fretboard is based on the formula (Scale_Length/(2^(x/20))). 20-EDD contains in its internal structure both 10 and 5 EDDs, in which a first instance for a dot-guide on 20-EDD is with this :

20-EDO_Dot-Guide_0.png
20-EDD equal-sized 5-EDD form

Other form for orientation in 20-EDD fretboard is with the subset 04-EDD system :

20-EDD fretboard 4-EDD dot-guide.png
20-EDD equal-sized 4-EDD form

Another way for the 20-EDD dot-guide is by the similar way of 14-EDD :

20-EDO_Dot-Guide_2.png
20-EDO Dot-Guide, Extended form

The dots are in the places 4· 7· 10· 13· 16· 20: 24· 27· 30· 33· 36· 40: 44· visualizing a scale of 2L4s 4;3 Relation, 4 3 3 3 3 4

Step (form 1) Purdal size Cent size | Step (form 2) Purdal size Cent size | Step (form 3) Purdal size Cent size
01 495 60 | 01 495 60 | 01 495 60
02 990 120 | 02 990 120 | 02 990 120
03 1485 180 | 03 1485 180 | 03 1485 180
04· 1980 240 | 04 1980 240 | 04· 1980 240
05 2475 300 | 05· 2475 300 | 05 2475 300
06 2970 360 | 06 2970 360 | 06 2970 360
07 3465 420 | 07 3465 420 | 07· 3465 420
08· 3960 480 | 08 3960 480 | 08 3960 480
09 4455 540 | 09 4455 540 | 09 4455 540
10 4950 600 | 10· 4950 600 | 10· 4950 600
11 5445 660 | 11 5445 660 | 11 5445 660
12· 5940 720 | 12 5940 720 | 12 5940 720
13 6435 780 | 13 6435 780 | 13· 6435 780
14 6930 840 | 14 6930 840 | 14 6930 840
15 7425 900 | 15· 7425 900 | 15 7425 900
16· 7920 960 | 16 7920 960 | 16· 7920 960
17 8415 1020 | 17 8415 1020 | 17 8415 1020
18 8910 1080 | 18 8910 1080 | 18 8910 1080
19 9405 1140 | 19 9405 1140 | 19 9405 1140
20\0: 9900\0 1200\0 | 20\0: 9900\0 1200\0 | 20\0: 9900\0 1200\0