Just Hammond: Difference between revisions
testing paragraphs |
No edit summary |
||
Line 220: | Line 220: | ||
==== Example 1: Mapping a single interval==== | ==== Example 1: Mapping a single interval==== | ||
In this | In this example we map the combination of a Hammond Organ’s note E and a higher note A (a fourth up) to the harmonic series. | ||
<u>Table 2</u>: | <u>Table 2</u>: The fourth E-A | ||
{| class="wikitable" | {| class="wikitable" | ||
Line 234: | Line 234: | ||
! colspan="5" style="text-align: center;" | | ! colspan="5" style="text-align: center;" | | ||
Prime <br> | Prime <br> | ||
Factorization | Factorization | ||
! style="text-align: center;" | | ! style="text-align: center;" | | ||
Ascending<br> | Ascending<br> | ||
Line 258: | Line 258: | ||
1+(ln(P)/ln(2)) | 1+(ln(P)/ln(2)) | ||
|- | |- | ||
| colspan="2" style="text-align: center;" | Fraction | | colspan="2" style="text-align: center;" |Fraction<br> | ||
(C)/(D) | (C)/(D) | ||
|- | |- | ||
Line 302: | Line 302: | ||
|} | |} | ||
The resulting interval | The resulting interval appears between partial # 206 and partial # 275. Thus the frequency ratio is (275:206), which equals 500.14 cents. | ||
==== Example 2: | ==== Example 2: Mapping a chord ==== | ||
Adding an upper fifth (note B), the second example illustrates how to map the sus4-chord E-A-B to the harmonic series. | |||
<u>Table 3</u>: sus4-chord E-A-B | <u>Table 3</u>: sus4-chord E-A-B | ||
Line 318: | Line 318: | ||
! colspan="6" style="text-align: center;" | | ! colspan="6" style="text-align: center;" | | ||
Prime<br> | Prime<br> | ||
Factorization | Factorization | ||
! style="text-align: center;" | | ! style="text-align: center;" | | ||
Ascending<br> | Ascending<br> | ||
Line 342: | Line 342: | ||
1+(ln(P)/ln(2)) | 1+(ln(P)/ln(2)) | ||
|- | |- | ||
| colspan="2" style="text-align: center;" | Fraction | | colspan="2" style="text-align: center;" |Fraction<br> | ||
(C)/(D) | (C)/(D) | ||
|- | |- | ||
Line 402: | Line 402: | ||
The supplemental note B establishes an additional prime factor. We find the matching pattern of partials for this sus4-chord (1442:1925:2160) farther up in the harmonic series, where this chord spans the boundary between the 11<sup>th</sup> and the 12<sup>th</sup> octave. | The supplemental note B establishes an additional prime factor. We find the matching pattern of partials for this sus4-chord (1442:1925:2160) farther up in the harmonic series, where this chord spans the boundary between the 11<sup>th</sup> and the 12<sup>th</sup> octave. | ||
==== Example 3: [...WILL BE CONTINUED] | ==== Example 3: Hammond - full scale ==== | ||
Table 4: Full set of pitchclasses | |||
{| class="wikitable" | |||
! rowspan="3" style="text-align: center;" | <br><br><br> | |||
Pitch<br> | |||
Class | |||
! colspan="2" style="text-align: center;" | | |||
HAMMOND<br> | |||
Gear Ratio<br> | |||
(canceled) | |||
! colspan="16" style="text-align: center;" | | |||
Prime <br> | |||
Factorization | |||
! style="text-align: center;" | | |||
Ascending<br> | |||
Partial Numbers of<br> | |||
an Overtone Scale | |||
! style="text-align: center;" | | |||
Partial Found<br> | |||
in Octave # | |||
|- | |||
| style="text-align: center;" | (C) | |||
| style="text-align: center;" | (D) | |||
| rowspan="2" colspan="16" style="text-align: center; background-color:#cbcefb;" | | |||
... of Column (D)<br><br><br><br> | |||
| rowspan="2" style="text-align: center;" | | |||
Recalculated<br> | |||
Numerator =<br> | |||
Partial #<br> | |||
P=LCM *(C)/(D) | |||
| rowspan="2" style="text-align: center;" | | |||
Counted from<br> | |||
1/1:<br> | |||
Octave# =<br> | |||
1+(ln(P)/ln(2)) | |||
|- | |||
| colspan="2" style="text-align: center;" |Fraction<br> | |||
(C)/(D) | |||
|- | |||
| style="text-align: center;" | C | |||
| style="text-align: right; background-color:#ffffff;" | 85 | |||
| style="font-weight:bold; background-color:#ffffff;" | 104 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 13 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 15,003,356,791,500 | |||
| style="text-align: center;" | 44.8 | |||
|- | |||
| style="text-align: center;" | C# | |||
| style="text-align: right; background-color:#ffffff;" | 71 | |||
| style="font-weight:bold; background-color:#ffffff;" | 82 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 41 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 15,894,517,438,800 | |||
| style="text-align: center;" | 44.9 | |||
|- | |||
| style="text-align: center;" | D | |||
| style="text-align: right; background-color:#ffffff;" | 67 | |||
| style="font-weight:bold; background-color:#ffffff;" | 73 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 73 | |||
| style="text-align: center;" | 16,848,249,818,400 | |||
| style="text-align: center;" | 44.9 | |||
|- | |||
| style="text-align: center;" | D# | |||
| style="text-align: right; background-color:#ffffff;" | 35 | |||
| style="font-weight:bold; background-color:#ffffff;" | 36 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 3 | |||
| style="text-align: center; background-color:#cbcefb;" | 3 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 17,847,130,301,000 | |||
| style="text-align: center;" | 45.0 | |||
|- | |||
| style="text-align: center;" | E | |||
| style="text-align: right; background-color:#ffffff;" | 103 | |||
| style="font-weight:bold; background-color:#ffffff;" | 100 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 5 | |||
| style="text-align: center; background-color:#cbcefb;" | 5 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 18,907,759,758,888 | |||
| style="text-align: center;" | 45.1 | |||
|- | |||
| style="text-align: center;" | F | |||
| style="text-align: right; background-color:#ffffff;" | 12 | |||
| style="font-weight:bold; background-color:#ffffff;" | 11 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 11 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 20,025,870,883,200 | |||
| style="text-align: center;" | 45.2 | |||
|- | |||
| style="text-align: center;" | F# | |||
| style="text-align: right; background-color:#ffffff;" | 37 | |||
| style="font-weight:bold; background-color:#ffffff;" | 32 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 21,225,337,107,975 | |||
| style="text-align: center;" | 45.3 | |||
|- | |||
| style="text-align: center;" | G | |||
| style="text-align: right; background-color:#ffffff;" | 49 | |||
| style="font-weight:bold; background-color:#ffffff;" | 40 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 5 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 22,487,384,179,260 | |||
| style="text-align: center;" | 45.4 | |||
|- | |||
| style="text-align: center;" | G# | |||
| style="text-align: right; background-color:#ffffff;" | 48 | |||
| style="font-weight:bold; background-color:#ffffff;" | 37 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 37 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 23,814,549,158,400 | |||
| style="text-align: center;" | 45.4 | |||
|- | |||
| style="text-align: center; font-weight:bold;" | A | |||
| style="text-align: right; background-color:#ffffff;" | 11 | |||
| style="font-weight:bold; background-color:#ffffff;" | 8 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 25,240,941,425,700 | |||
| style="text-align: center;" | 45.5 | |||
|- | |||
| style="text-align: center;" | A# | |||
| style="text-align: right; background-color:#ffffff;" | 67 | |||
| style="font-weight:bold; background-color:#ffffff;" | 46 | |||
| style="text-align: center; background-color:#cbcefb;" | 2 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 23 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 26,737,439,929,200 | |||
| style="text-align: center;" | 45.6 | |||
|- | |||
| style="text-align: center;" | B | |||
| style="text-align: right;" | 54 | |||
| style="font-weight:bold;" | 35 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 5 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | 7 | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center; background-color:#cbcefb;" | | |||
| style="text-align: center;" | 28,322,303,106,240 | |||
| style="text-align: center;" | 45.7 | |||
|- | |||
| colspan="3" | | |||
Multiply --------><br> | |||
to find (D)'s least<br> | |||
common multiple<br> | |||
(LCM) | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 2<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 2<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 2<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 2<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 2<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 3<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 3<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 5<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 5<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 7<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 11<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 13<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 23<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 37<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 41<br><br><br><br> | |||
| style="text-align: center; font-weight:bold; background-color:#cbcefb;" | 73<br><br><br><br> | |||
| style="text-align: center; font-weight:bold;" | | |||
18,357,048,309,600<br><br> | |||
(LCM)<br><br> | |||
| style="text-align: center;" | | |||
45.1<br><br> | |||
Decimal printed<br> | |||
for orientation only | |||
|} | |||
[...WILL BE CONTINUED] | |||
==References== | ==References== | ||
<references /> | <references /> |