| 摘要 |
PROBLEM TO BE SOLVED: To enable ranking generation targeting at a large-scale population on the basis of a small quantity of data, without the need for their being collected by a method for predicting rough rankings statistically, using the deviation of a score. SOLUTION: Karaoke equipment, 20 having the function of world ranking generates the singing score of Karaoke, on the basis of a musical component played by musical composition performance and a voice-mixing part 33 in a score generating part 36 and sound inputted from a microphone 28, and outputs it to a ranking-generating part 38. The ranking-generating part 38 prepares data (data indicating an average score, standard deviation, and deviation curve (function)) in advance, which are necessary for generating ranking on the basis of the method for predicting rough ranking statistically by using the deviation to the score, and generates and outputs the ranking data to the score data from a score generating part 36 by using these data. |
