Automatic performance device having a function of changing performance data during performance

An automatic performance device comprising:

• performance data memory means for storing reference performance data;
• change data memory means for storing plural types of change data for changing the reference performance data;
• a data selection operator for selecting a desired type of change data from among the plural types of change data stored in said change data memory means;
• data changing means for changing the reference performance data on the basis of the change data selected by said data selection operator;
• and
• automatic performance means for performing an automatic performance on the basis of the changed performance data.

An automatic performance device comprising:

• performance data memory means for storing performance data in correspondence to a reference performance timing;
• change data memory means for storing change data for changing the performance timing of the performance data;
• and
• performance means for reading the performance data from said performance data memory means and the change data from said change data memory means and making a performance by changing the reference performance timing of the performance data on the basis of the read out change data, said performance means reading the performance data sooner by predetermined time length than a timing of actual performance and determining the timing of actual performance by changing the performance timing corresponding to the read out performance data by the change data.

An automatic performance device comprising:

• performance data memory means for storing reference performance data;
• change data pattern memory means for storing plural change data patterns for changing the reference performance data;
• sequence memory means for storing pattern sequence information which designates sequentially the respective change data patterns in a predetermined order;
• control means for variably controlling an amount of change indicated by the change data pattern designated by the pattern sequence information;
• data change means for changing the reference performance data on the basis of the variably controlled change data pattern;
• and
• automatic performance means for performing an automatic performance on the basis of the changed performance data.

An automatic performance device comprising:

• performance data memory means for storing reference performance data;
• change data memory means for storing plural types of change data for changing the reference performance data;
• data selection means for selecting desired change data from among the plural change data stored in said change data memory means;
• variable control means for variably controlling an amount of change indicated by the change data selected by said data selection means;
• data changing means for changing the reference performance data on the basis of the variably controlled change data;
• and
• automatic performance means for performing an automatic performance on the basis of the changed performance data.