A method for automatic generation of dance patterns on the basis of an audio signal

摘要

A method for automatically creating dance patterns using an audio signal of music, comprising: extracting power feature of an audio signal of each processing window by covering the audio signal with the processing window for analyzing the audio signal at regular intervals, and extracting the processing windows indicating a part having strong-beat power feature as beating window candidates; determining beating windows corresponding to the points where beating should be conducted according to predetermined dance pattern creating option, out of the beating window candidates; and assigning predetermined unique beating codes to the determined beating windows in order of dance patterns based on the dance pattern creating option, and creating beating data of the dance patterns using the beating codes and time information indicating a time interval between beating windows.