Patent ID: 9747879
Date: 2017-08-29
CPC Classifications: G10H

Claim:
1. A non-transitory machine-readable storage medium containing program instructions executable by a computer and enabling the computer to perform a method comprising: detecting, by detection circuitry, an operation by a user on a single user-operable performance control to specify a performance note to be sounded according to the operation by the user; generating, by a processor, one or more additional notes automatically; and assigning, by the processor, predetermined plural timbres to the specified performance note and the generated one or more additional notes, according to pitches of the specified performance note and the generated one or more additional notes, wherein each of the assigned plural timbres is respectively assigned to at least one note from among the specified performance note and the generated one or more additional notes according to tone pitch order or a note-on timing order thereof; and generating, by tone generator circuitry, audio signals representing musical tone waveforms of the specified performance note and the generated one or more additional notes in their assigned timbres, the generated audio signals to be sounded from a speaker.