Re: Toolchain to get scores into video?

[address@hidden]

On Mar 6, 2011, at 12:33, David Kastrup <address@hidden> wrote:

> James Lowe <address@hidden> writes:
> 
>> The google tracker issue does work in as much as the main point of this is
>> to split the Lilypond score into 'lines' and each line is exported to an
>> EPS file - this bit is done by Lilypond (IIR) you can then manually put
>> each line into a video using most standard video editing software, this
>> bit is done by the 'user'.
> 
> That would be more like flashing line by line rather than a continuous
> horizontal scroll, right?
> 
>> Then (again using the video software) you use the timing marks created
>> manual, the music itself (that can be generated separately as midi
>> from LilyPond or be a real recording) and the snippets of music to
>> create a 'video'. It works but it is very clunky, takea a fair bit of
>> work. If you are comfortable with your video editing software, and
>> have a good recording of you music then fine, but I am not sure it is
>> quite the same as a 'follow along' video.
> 
> I'd likely be able to write (in a nontrivial amount of time) the
> required code for matching Midi time to sound file time.  That's
> reasonably manageable signal processing.
> 
> Correlating grobs to miditime would be another task.  And then, of
> course, generating the equivalent of one long strip, and making that run
> through, likely in a nice smoothed motion with some cursor following the
> notes more accurately.
> 
> -- 
> David Kastrup
> 
> 

Just to avoid potential wheel reinventing, make sure to check out the 
conference proceedings of the 2010 Journées d'Informatique Musicale. I remember 
someone presenting a time-point based score follower there.

~Mike