Lighting control device, lighting control method, and lighting control program

1. A lighting controller configured to control a lighting fixture based on music piece data in which characteristic sections that characterize a music construction are allocated, the lighting controller comprising:

a transition information acquisition unit configured to obtain transition information for each of the characteristic sections in the music piece data;

a note-fractionated-section analyzing unit configured to analyze at least one of the characteristic sections in the music piece data to detect a note-fractionated section where a note interval is fractionated with progression of bars by analyzing a rhythm pattern of a note; and

a lighting control data generating unit configured to generate lighting control data based on the transition information obtained by the transition information acquisition unit and the note-fractionated section detected by the note-fractionated-section analyzing unit.

2. The lighting controller according to claim 1 , wherein

the lighting control data generating unit is configured to set a starting point of the detected note-fractionated section as a changing point of a lighting effect.

3. A computer-readable medium that stores a program code configured to enable a computer to function as the lighting controller according to claim 1 when read and run by the computer.

4. A lighting controller configured to control a lighting fixture based on music piece data in which characteristic sections that characterize a music construction are allocated, the lighting controller comprising:

a transition information acquisition unit configured to obtain transition information for each of the characteristic sections in the music piece data;

a level-varying-section analyzing unit configured to analyze at least one of the characteristic sections in the music piece data to detect a level-varying section where accumulation of an amplitude level per unit of time of a signal with a predetermined frequency or less falls within a predetermined range and accumulation of an amplitude level per unit of time of a signal with a frequency exceeding the predetermined frequency increases with progression of bars; and

a lighting control data generating unit configured to generate lighting control data based on the transition information obtained by the transition information acquisition unit and the level-varying section detected by the level-varying-section analyzing unit.

5. The lighting controller according to claim 4 , wherein

the lighting control data generating unit is configured to set a starting point of the detected level-varying section as a changing point of a lighting effect.

6. A computer-readable medium that stores a program code configured to enable a computer to function as the lighting controller according to claim 4 when read and run by the computer.

7. A lighting controller configured to control a lighting fixture based on music piece data in which characteristic sections that characterize a music construction are allocated, the lighting controller comprising:

a transition information acquisition unit configured to obtain transition information for each of the characteristic sections in the music piece data;

a fill-in-section analyzing unit configured to analyze at least one of the characteristic sections in the music piece data to detect a fill-in section where a peak level of a signal detected per beat varies; and

a lighting control data generating unit configured to generate lighting control data based on the transition information obtained by the transition information acquisition unit and the fill-in section detected by the fill-in-section analyzing unit.

8. The lighting controller according to claim 7 , wherein

the lighting control data generating unit is configured to set a starting point of the detected fill-in section as a changing point of a lighting effect.

9. A computer-readable medium that stores a program code configured to enable a computer to function as the lighting controller according to claim 7 when read and run by the computer.

10. A lighting control method of controlling a lighting fixture based on music piece data in which characteristic sections that characterize a music construction are allocated, the method comprising:

obtaining, by a transition information acquisition unit, transition information for each of the characteristic sections in the music piece data;

analyzing, by a note-fractionated-section analyzing unit, at least one of the characteristic sections in the music piece data to detect a note-fractionated section where a note interval is fractionated with progression of bars by analyzing a rhythm pattern of a note; and

generating, by a lighting control data generating unit, lighting control data based on the obtained transition information and the detected note-fractionated section.

11. A lighting control method of controlling a lighting fixture based on music piece data in which characteristic sections that characterize a music construction are allocated, the method comprising:

obtaining, by a transition information acquisition unit, transition information for each of the characteristic sections in the music piece data;

analyzing, by a level-varying-section analyzing unit, at least one of the characteristic sections in the music piece data to detect a level-varying section where accumulation of an amplitude level per unit of time of a signal with a predetermined frequency or less falls within a predetermined range and accumulation of an amplitude level per unit of time of a signal with a frequency exceeding the predetermined frequency increases with progression of bars; and

generating, by a lighting control data generating unit, lighting control data based on the obtained transition information and the detected level-varying section.

12. A lighting control method of controlling a lighting fixture based on music piece data in which characteristic sections that characterize a music construction are allocated, the method comprising:

obtaining, by a transition information acquisition unit, transition information for each of the characteristic sections in the music piece data;

analyzing, by a fill-in-section analyzing unit, at least one of the characteristic sections in the music piece data to detect a fill-in section where a peak level of a signal detected per beat varies; and

generating, by a lighting control data generating unit, lighting control data based on the obtained transition information and the detected fill-in section.