| 摘要 |
An automatic player piano is equipped with a recording system equipped with a sequencer, to which event data codes for note-on and note-off events and a digital external audio signal expressing singer's voice are supplied; the sequencer supplements duration data codes to the event data codes, and produces RIFF audio data codes expressing the voice; and respectively stores the event data codes and duration data codes and the RIFF audio data codes in a standard MIDI file and a RIFF file. |
