IMSLP:Image Conversion

Free public domain sheet music from IMSLP / Petrucci Music Library

To convert images of scores from third party found in the net (e.g. BSB) to high resolution monocrome images it is a good idea to use an image conversion software such as IrfanView. This software offers a batch conversion, what means you can convert a big number of images automaticly with the same conversion parameters. You can find it for free download here.
Instead of resizing the single pixels independently it uses a lanczos filter, that results in better resolution (instead of just bigger pixels)

How to work with IrfanView

In the "File" menu open "Batch Conversion/Rename..."

Here you can choose the folder of your original score images and one for the converted output.

Use the image settings window open with the "Set advanced options" button to set the conversion you like for all images (e.g. resizing - this should always be done with "Use Resample function" for high quality, otherwise it makes no sense at all just bigger files).


Finally the output format should be set to TIFF CCITT fax 4 - this automaticly changes to monocrome as the format only knows black and white pixels.