Music genre judging device and game machine having the same

Data processing: generic control systems or specific application – Specific application – apparatus or process

Reexamination Certificate

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Details

C700S094000, C381S058000, C463S035000

Reexamination Certificate

active

08060224

ABSTRACT:
A music genre judging device able to judge a genre of music in a relatively simple structure.The music genre judging device is provided with a signal input part4which takes in music reproduction signal outputted from a music reproduction device100;a signal processing part10which outputs an integration value and a differential value of a low frequency component and a differential value of a high frequency component of the music reproduction signal taken in by the signal input part4; a data generating part30which takes in the integration value and the differential values outputted from the signal processing part10for each prescribed sampling unit time Tn, judges whether the integration value and the differential value of the low frequency component and the differential value of the high frequency component exceed respective prescribed levels within the sampling unit time Tn, and generates analysis data D1obtained by totalizing numbers of times of judgment when a value exceeding the prescribed level is detected for each prescribed sampling cycle Tm and each of the integration value and the differential values; and a data analysis part31which calculates respective average values M0to M2of the totalized values and respective coefficients of variation CV1, CV2of the totalized values, which are described with respect to the respective differential values of the low frequency component and the high frequency component in the analysis data D1, and judges a genre of music outputted from the music reproduction device based on the calculation result.

REFERENCES:
patent: 11-73726 (1989-07-01), None
patent: 03-284800 (1991-12-01), None
patent: 9-146967 (1997-06-01), None
patent: 2001-029649 (2001-02-01), None
patent: 2003-302988 (2003-10-01), None
patent: 2004-163767 (2004-06-01), None
patent: 2006-163264 (2006-06-01), None
patent: 20-0400895 (2005-11-01), None

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