| 摘要 |
PURPOSE:To provide the electronic keyboard musical instrument which can be played on with a richer variation by making the width of variation in sound image localization with time different according to the key number of a pressed key. CONSTITUTION:The electronic keyboard musical instrument has a regenerating means 5 which has plural sound generation channels for outputting dummy sounds, a deciding mess 2 Which decides the key number of the depressed key, and a sound volume varying means 2 which varies the volume of the dummy sounds, outputted by the sound generation channels, with time by a variation quantity corresponding to the key number decided by the deciding means 2. |
