| 摘要 |
In an electronic musical instrument, where a musical tone signal having a plurality of partial tone components in a predetermined bandwidth is produced by amplitude-modulating a carrier signal according to a time window signal, there is provided a control means which generates a control signal determining orders of partial tone components to be calculated. In accordance with the control signal the frequency of the carrier signal and the time width of the time window signal. This instrument makes it possible to freely select the frequency bandwidth of the calculated partial tone components, thereby producing a musical tone having a variety of tone colors.
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