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MIDI
basics: decimal, binary & hexadecimal
Computers and synthesizers communicate in the binary number system. Binary
numbers consists of ones and zeros.
A single zero or one is called a bit. Computer CPU chips are optimized
to process data in 8 bit units (bytes), 16 bit units (words), and
32 bit units (longs). Normal people use the decimal system (base
10) to relate to numbers. Computer programmers use the hexadecimal
system (base 16) to relate to numbers. Base sixteen was chosed because
it represents multiples of 8 bits that the computer uses to process
data.
A
comparison of the decimal, binary and hexadecimal systems is shown
in the following table.
BINARY
|
DECIMAL
|
HEXADECIMAL |
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111 |
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 |
0H
1H
2H
3H
4H
5H
6H
7H
8H
9H
AH
BH
CH
DH
EH
FH |
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