Using XML-Formatted Scores in Real-Time Applications

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Executive Summary

These paper present fast and scalable methods to access relevant data from music scores stored in an XML based notation format, with the explicit goal of using scores in real-time audio processing frameworks. Quick and easy access is important when accessing or traversing a score, for instance for real-time playback. Any time complexity improvement in these contexts is valuable, while memory constraints are usually less important. This paper shows that with some well chosen design choices and precomputation of the necessary data, runtime time complexity of several key score manipulation operations can be reduced to a level that allows use in a real-time context.

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