Visual Bass Training at ActiveBass
ActiveBass has several interactive visual-training exercises to improve your knowledge
of the bass fingerboard:
Interactive Visual Exercises
"Name That Bass Note" presents a visual display of a note on the fretboard, and it's up to you to figure out what it is, while
"Name That Bass Interval" is a two-note version.
For reference, here's a visual layout of the bass fretboard:
Notes about the Bass Guitar Fingerboard:
The space between consecutive frets is called a half step. The
distance between a B and a C is a half step.
The space between two frets is called a whole step, and as you might
expect, two half steps equals a whole step. The
distance between an F and a G is a whole step.