| 摘要 |
An electronic musical instrument has a low frequency oscillator (LFO) for generating a low-frequency signal to impart musical effect such as vibrato to musical tones, and a plurality of tone generating channels. The LFO comprises a random access memory (RAM), a feedback loop, and a waveform generator. The LFO generates the low-frequency signal in accordance with the designated RAM addresses corresponding to the designated tone color to impart a same phase musical effect to the plurality of channels having same tone color. As a result, favorable musical tone effect is realized
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