| 摘要 |
<p>PROBLEM TO BE SOLVED: To input a wide range of voices using typewriter type keyboard. SOLUTION: A reference sound storage section 5 stores the sound corresponding to a 'D' key in a typewriter type keyboard 2. When an 'upper cursor' key is depressed, a reference musical scale adding means 6 raises the sound stored in the section 5 by one octave. When a 'lower cursor' key is depressed, a reference musical scale subtracting means 7 drops the sound stored in the section 5 by one octave. An input key sound converting means 8 converts input keys to sound based on the storage contents of the section 5 and sound generation is conducted by a sound source section 4.</p> |
