| 摘要 |
<P>PROBLEM TO BE SOLVED: To control the balance of: a sound volume of musical sound outputted in response to an operation of an input device; and the sound volume of a music piece outputted based on music data more appropriately. <P>SOLUTION: The sound volume control method includes: a step of generating musical sound in response to an operation of an input device; steps S1-S4 of calculating the sound volume of music based on music data representing a music piece; and steps S6-S7 of setting the sound volume of playback to sound the music piece independently according to the sound volume of musical sound to sound the musical sound based on the sound volume of music. The sound volume of playback can be set automatically, so that the balance of the sound volume of playback to sound a plurality of music pieces different from each other and the sound volume of musical sound becomes more appropriately, for example. <P>COPYRIGHT: (C)2010,JPO&INPIT |
