Patent ID: 7534952

Claim:
A performance data processing apparatus comprising: a performance data acquisition section that acquires performance data of a first type including one or more kinds of tone control data, the performance data of said first type having a data structure predefined for use in a first-type tone generator, said one or more kinds of tone control data being used in the first-type tone generator to generate a tone signal representative of a rendition style; a detection section that detects a particular portion of the one or more kinds of tone control data, the particular portion corresponding to a predetermined rendition style; and a data conversion section that converts the particular portion of the one or more kinds of tone control data into rendition-style designating data and reforms the performance data of said first type as performance data of a second type including the converted rendition-style designating data, the performance data of said second type having a data structure predefined for use in a second-type tone generator, said converted rendition-style designating data being used to generate a tone signal representative of the rendition style.