| 摘要 |
A formant tone generating apparatus provides n (where n=1, 2, . . . ) systems each capable of generating a pitch control signal by a timing of which period is n times longer than a fundamental pitch period of a musical tone including a formant tone to be generated. Then, a periodic function such as a sinewave function having a formant center frequency is modulated by use of a window function under control of the pitch control signal, so that a modulated signal is formed with respect to each system. Such modulated signals are synthesized together with respect to one or more systems, so that a synthesized signal is obtained. Based on the synthesized signal, the formant tone can be generated without forming unnecessary spectrum.
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