A karaoke machine that performs singing scoring in consideration of stretch tuning

摘要

PROBLEM TO BE SOLVED: To provide a karaoke device that scores a singing voice produced by a singer's karaoke singing and performs scoring suitable for the singing in which the singer tries to make his/her voice fit in with a pitch of an instrument sound of a karaoke accompaniment.SOLUTION: In a scoring mode, a karaoke main body 21 acquires one of stretch tuning data for an instrument sound constituting a karaoke performance sound and detects pitch information in a singing signal at a predetermined timing. The karaoke main body 21 compares the pitch information in the singing signal at the predetermined timing with pitch information in reference data at the predetermined timing to evaluate the singing on a basis of the comparison result. Furthermore, when the pitch information in the singing signal is compared with the pitch information in the reference data, the comparison result is corrected on a basis of the acquired stretch tuning data.