RePerform is a high-resolution re-performance editor. RePerform enables you to edit MIDI files in XP (eXtended Precision) format for Yamaha Disklavier Pro and Disklavier pianos.
The complex XP format incorporates a scheme that combines Note on/off events, polyphonic aftertouch events, and continuous controller events into a single high-resolution note. These combined events must appear in the MIDI file in the correct order and with the right timing, and must be edited intelligently as a group. The data format for high-resolution pedal positionings is similarly complex.
Today it is not feasible to edit such high-resolution files even with a professional sequencer. Typical sequencers obliterate the XP data scheme the moment you import the file, while providing no practical alternatives.
RePerform not only preserves the integrity of the XP data, but also provides you with a user-friendly interface to interact with this data by hiding the underlying complexities from view.
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