Patent ID: 8440898
Filing Date: 2013-05-14
Classification: G10G,G10H

Abstract:
1. An electronic device adapted to display a rasterised image of musical notation, the device comprising: memory that stores an image file for said rasterised image and a metadata file associated with the image file, the metadata describing the musical notation and including a time signature and a tempo; a clock; and a processor, the electronic device being controlled to: sort the metadata according to page, a vertical position in the musical notation and a horizontal position in the musical notation; calculate a position of bars in the musical notation based on the time signature and the tempo; ascertain a viewable area of a display device, on which the rasterised image is to be displayed; from the calculated bar positions, ascertain a number of said bars, which can fit into said viewable area, and displaying said number of bars; operate said clock in accordance with said tempo; determine that said clock has reached an end of the displayed number of bars; and change a displayed part of the rasterised image; wherein the metadata include co-ordinates in the rasterised image and corresponding timing data for a beginning and an end of respective staves in the musical notation, and a number of bars in the respective staves; the electronic device being controlled to calculate said bar positions by: