noun
absolute pitch; perfect pitch
The ability to identify or produce a musical note without a reference tone. Often contrasted with 相対音感 (relative pitch).
See also: 相対音感
She has perfect pitch, so she can instantly name any note she hears.
絶対音感は幼少期の音楽教育で身につくことが多い。
Absolute pitch is often acquired through early childhood music education.