| 摘要 |
An electronic musical instrument comprising an oscillator, first and second multiplex counter circuits synchronously driven in common by said oscillator, first and second matrix circuits coupled respectively to said counter circuits for producing respective sequences of pulses, a common conductor, said matrix circuits including a plurality of output terminals, switches connecting the output terminals of said first matrix circuit to said conductor, a pulse selective circuit coupled to said conductor and to the output terminals of said second matrix circuit, sound means, and gating means controlled by said pulse selective circuit to control the output of said sound means.
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