Patent ID: 8315726

Claim:
A music genre judging device comprising: a signal input portion for inputting music reproduction signal outputted from a music reproduction device; a signal processing unit for outputting an integration value and a differential value of each of a low-frequency component and a high-frequency component of the music reproduction signal inputted by the signal input portion; a data generation unit for inputting each of the integration value and the differential value outputted from the signal processing unit for each of a plurality of predetermined sampling units of time, judging whether the integration value and the differential value exceeds predetermined levels, respectively, within the predetermined sampling unit of time, and generating analysis data obtained by totalizing number of times when each of the integration value and the differential value individually exceeds the predetermined level for each predetermined sampling cycle; and a data analysis unit for judging a genre of music outputted form the music reproduction device based on totalized values described in the analysis data.