| 摘要 |
PURPOSE:To facilitate the setting of a parameter to each digital filter and to display the frequency characteristics of all the filters provided by the setting. CONSTITUTION:On a table 24 for setting which arranges in a line and displays set value display areas 30, 34, 38 and 42 of the kinds of filters and characteristics corresponding to their kinds for each of digital filters 12a-12h, the kind of the filter and a characteristic value corresponding to this kind are displayed in the display areas 30, 34, 38 and 42 by operating an operation part 46. At the same time, a frequency characteristic figure corresponding to the displayed value is displayed at a frequency characteristic display window 48. A CPU 18 decides the parameters to be supplied to the filters 12a-12h corresponding to the respective displayed values and transmits them to the filters 12a-12h. When the display area 30 for the kind of the filter is operated by the operation part 46, various filter kind names are displayed at a display window 47 and among these filter kind names, any arbitrary one is displayed in the display area 30 by operating the operation part 46. |
