Yamaha DX7 Manual - Algorithm building blocks

quick manual | algorithms | dx max(4): options, pictures, destroy and repair

Algorithm building blocks

The 32 algorithms are constructed using a combination of only 12 different basic building blocks (when you omit counting the different feedback operators). Only 1 (predefined) operator in an algorithm can support a feedback loop. The building blocks consist of 1 to 6 operators in different configurations.

The DX7 implements the following:
- 1 operator: 1 unique building block
- 2 operators: 1 unique building block
- 3 operators: 3 unique building blocks
- 4 operators: 5 unique building blocks
- 5 operators: there are no building blocks consisting of 5 operators
- 6 operators: 2 unique building blocks

Below are the different building blocks (including the feedback possibilities) for every number of operators:

1  a  b  c
1  
2 a b c
2
3 a b c
3.1
3.2  
3.3  
4 a b c
4.1 GEMIST
4.2  
4.3  
4.4  
4.5
6 a b c
6.1    
6.2  

The 32 algorithms consist of the following building blocks:

#  1 2 3 4 5 6  
1   2-a   4.1-b      
2   2-b   4.1-a      
3     3.1-a
3.1-b		        
4       4.1-a
4.1-c		      
5   2-a
2-a
2-b		          
6   2-a
2-a
2-c		          
7   2-a   4.5-b      
8   2-a   4.5-c      
9              
10              
11              
12              
13              
14              
15              
16              
17              
18              
19              
20              
21              
22              
23              
24              
25              
26              
27              
28              
29              
30              
31              
32              


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