Difference presentation device, difference presentation method and difference presentation program

摘要

The reference sound height determining section acquires the tone name to be generated by the user as an object tone name and determines the pitch corresponding to the acquired object name based on the tuning information as the reference pitch.The tuning information represents a correspondence between a tone name and a pitch in a predetermined tone.The predetermined tone is, for example, an inequality.The acquisition part acquires the pitch generated by the user as a user pitch.The presentation section presents differential information representing a difference between the determined reference pitch and the acquired user pitch.