Dynamic Generation of Musical Notation from MusicXML Input on an Android Tablet

Dynamic Generation of Musical Notation from MusicXML Input on an Android Tablet
By:"Laura L. Housley"
Published on 2012 by

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Abstract: For the purpose of increasing accessibility and customizability of sheet music, an application on an Android tablet was designed that generates and displays sheet music from a MusicXML input file. Generating sheet music on a tablet device from a MusicXML file poses many interesting challenges. When a user is allowed to set the size and colors of an image, the image must be redrawn with every change. Instead of zooming in and out on an already existing image, the positions of the various musical symbols must be recalculated to fit the new dimensions. These changes must preserve the relationships between the various musical symbols. Other topics include the laying out and measuring of notes, accidentals, beams, slurs, and staffs. In addition to drawing a large bitmap, an application that effectively presents sheet music must provide a way to scroll this music across a small tablet screen at a specified tempo. A method for using animation on Android is discussed that accomplishes this scrolling requirement. Also a generalized method for writing text-based documents to describe notations similar to musical notation is discussed. This method is based off of the knowledge gained from using MusicXML.

This Book was ranked 25 by Google Books for keyword android tablet.

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