An extensible ear-training tool implemented in Java

To perceive by the ear; to apprehend or take cognizance of by the ear; as, to hear sounds; to hear a voice; to hear one call.

To attend, or be present at, as hearer or worshiper; as, to hear a concert; to hear Mass.

To have the sense or faculty of perceiving sound.

To use the power of perceiving sound; to perceive or apprehend by the ear; to attend; to listen.

perceive (sound) via the auditory sense