| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic musical device that prevents trial data of a music content provided with fare-paying which exceeds a trial time period. <P>SOLUTION: According to the fare-paying musical content data, such as, musical tone data and an accompaniment style data, the trial musical content data having the same quality with this is provided to a user, and thereby, full trial environment is given for the electronic musical device. When a musical content is changed to a trial musical content data Dt, during a real-time performance period (S4=YES), whether the operation of a predetermined operator EK requested by a trial data selection notifying message Msa is to be performed (S6=YES) according to trial musical content selection operation (S1=YES); or when a predetermined time has elapsed (S7=YES), after a trial musical content selection operation (S1=YES), the musical content is changed-over to the trial musical content data (S9). <P>COPYRIGHT: (C)2010,JPO&INPIT |
