1.5
one whole, one half
1.5
The word 'augment' means to raise by a half step musically. So, an augmented fourth would be a natural fourth ( 2 1/2 steps) raised by a half step ( a total of 3 whole steps). An augmented chord is built entirely out of augmented thirds, more commonly known as major thirds, and only contains three tones.
An augmented second is an interval comprising three semitones and two note names - for example, C to D sharp.
augmented
Yes. In music an augmented second is then the second degree is raised by either a sharp or a natural, the interval between A-flat and B natural on a piano is an example.
augmented
augmented
augmented
augmented