| 摘要 |
PROBLEM TO BE SOLVED: To provide a sound field correction device, a sound field correction method and a sound field correction program ensuring a sufficient sound field correction effect even if the number of bands of a parametric equalizer is small.SOLUTION: A sound field correction processing creates S23 a target amplitude characteristics becoming the target of sound field correction by a parametric equalizer (PEQ), calculates S24 a plurality of sub-target amplitude characteristics equivalent to the target amplitude characteristics, or having a gentle amplitude characteristics, calculates S25-S30 the correction amplitude characteristics for correcting the sound field based on the calculated target amplitude characteristics and the plurality of sub-target amplitude characteristics, and the frequency bandwidth of a correction candidate PEQ based on a correction object candidate group for each target amplitude characteristics, and repeats the processing subsequent to the processing step S25, by using the sub-target amplitude characteristics calculated in the calculation S32 of new sub-target amplitude characteristics.SELECTED DRAWING: Figure 3 |
