| 摘要 |
<P>PROBLEM TO BE SOLVED: To reproduce a depth feeling of grand piano in an electronic keyboard musical instrument. <P>SOLUTION: An electronic piano 1 includes: speakers 4a, 4b and 4c arrayed on a near side of a keyboard; a speaker 4d arranged on a deeper side of the electronic piano 1 than the speakers 4a, 4b and 4c. Four channel waveform data set for each musical sound is stored in waveform memory included in a sound source. Waveform data corresponding to the speakers 4a, 4b, 4c out of waveform data of four channels is recorded by first sound collection means arranged at an upper position of a damper of a grand piano. Waveform data corresponding to the speaker 4d arranged on the deeper side is recorded by second sound collection means arranged at a position where a string for a bass range and a string for a midrange of the grand piano cross each other, and a silent part is added in the head of the data. <P>COPYRIGHT: (C)2013,JPO&INPIT |
