For the pitch test, the user has to decide which of two notes is the higher-pitched one. By varying the difference between the notes, the program determines how far apart they have to be in order for the user to differentiate between them.
For the pitch test, the user has to decide which of two notes is the higher-pitched one. By varying the difference between the notes, the program determines how far apart they have to be in order for the user to differentiate between them.