INTERVALS Part I

INTERVALS

 

 

Quality

Interval
Number

Interval
name

d

m

P

M

A

number of 1/2 steps

1

Unison

-1

 

0

 

1

2

Second

0

1

 

2

3

3

Third

2

3

 

4

5

4

Fourth

4

 

5

 

6

5

Fifth

6

 

7

 

8

6

Sixth

7

8

 

9

10

7

Seventh

9

10

 

11

12

8

Octave

11

 

 

13

 

=Not applicable

Some intervals have commonly called in other ways:
 

Standard Alternate
Augmented Unisonchromatic half step or chromatic semitone
Minor secondmelodic half step/semitone
Major secondWhole step
Augmented fourthTritone
Diminished fifthTritone

 

 
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