| 摘要 |
The present invention relates to a performance position retrieval system that is installed in such things as electronic musical instruments. Its object is to enable rapid and more accurate searching for a position in a musical composition that the performer etc. is currently performing. It is provided with an automatic performance means in which the performance data for the musical composition are stored and an automatic performance is carried out in accordance with that performance data and an input means in which the performer inputs the performance data for the performance and a retrieval table with which a prescribed computation is carried out for a sequence of a specified amount of performance data from the above mentioned performance data for the musical composition, demarcation is done in accordance with the computation results and the position information is stored and a retrieval means in which the above mentioned prescribed computation is carried out for a sequence of the performance data that have been input in the above mentioned input means and the performance position is retrieved based on the above mentioned retrieval table in accordance with the results of the computation.
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