FreeDots: MusicXML to Braille music translation

John J. Boyer john.boyer at
Wed Feb 13 19:35:11 UTC 2008


This is a very interesting project. I am planning to build braille music 
translation into my liblouisxml project. It would be combined with the 
ability to translate text in many languages and eventually SVG graphics. 
Would it be possible for me to look at your code? Could we perhaps 


On Wed, Feb 13, 2008 at 06:36:28PM +0100, Mario Lang wrote:
> Hi all.
> This is a mail for the musicians among us.  If you do not need/want to
> read music (in braille), you can safely skip this mail.
> As some of you might know, there are pretty decent OMR (Optical Music
> Recognition) programs around.  Those can export music notation to
> MusicXML format usually.  I have started a small project
> to convert MusicXML files to braille music notation.
> Obviously, this is a very complicated thing to get fully right
> as those of you that can read braille music might be able to guess.
> But given the relatively small amount of time I have invested
> so far, it does actually do something useful already.
> The project homepage is at
> This is at a very early stage, so do not expect it to do
> much right.  However, that said, single staff music seems
> to render fine in most cases.
> At this stage, I could use help from people knowledgeable
> with braille music.  Also, if you are into the OMR bussiness (maybe
> a GoodFeel user?) I could also make use of good example
> files.  The most seeked for are obviously error-corrected
> MusicXML files.  If you have scanned some music in the past
> and had a sighted person correct the errors the OMR made,
> please consider exporting it to MusicXML and send it to me.
> If you also have the output for the same sheet music in braille,
> that would be very valueable to compare the output of FreeDots to.
> If you are a musician and a programmer (I am afraid this is going to be rare),
> please consider contributing to FreeDots.  There are several ares
> that haven't even been started yet that could use some man power.
> For instance, a MIDI output module would be desireable, so that we
> can listen to what we read.
> If you have anything to contribute, please send private
> mail.  At this stage, a public discussion on this list doesnt seem
> very useful since the target audience is pretty specific and
> the project is far from being user-friendly...
> -- 
> CYa,
>   ???????????????
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John J. boyer; President, Chief Software Developer
JJB Software, Inc.
Madison, WI USA
Developing software for people with disabilities

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