| 摘要 |
A device for keyboard musical instruments includes a sound input unit, a process unit, and a display unit for displaying the keys corresponding to the input sound. The device generally has colours like as the keys when it is not working. By the tone demodulation, the closest gamut and aberration degree is calculated from the sound input. The aberration degree is displayed corresponding to the colours, brightness and blinking frequency of the display element and the close display element of the closest gamut, so that the device is felt as brightening keys. The display elements more than the keys can be used to distinguish the more fine aberration and different overtone component. This device may be separated into short pieces or connected to work as an integer device. |
