Thread: Validation errors on epub3 sheet music document
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Old 11-03-2013, 05:54 PM   #6
Hitch
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Quote:
Originally Posted by AlPe View Post
MakeMusic. (from the p001.html)

BTW, looking at p001.html, I share the concern raised by Hitch: does MakeMusic generate the SMIL files at all? I do not see any "id" associated to XHTML elements, which are needed for the sync highlighting.

What is your ebook supposed to do? Just displaying the score? The score and an <audio> player? Or should it also highlight the notes as the audio plays?

EDIT: after looking at MakeMusic web site, I think that the generated EPUB simply contains the score, not the (MIDI?) audio, and hence no SMIL at all. If this is indeed the case, removing the "media-overlay" property should fix both the two errors you reported in your first post (since media:duration is not required if there are no media overlays). As far as I can tell, the folks at MakeMusic are probably working on exporting a "better" EPUB3 (with audio and note highlighting), but in the last release they disabled this feature, forgetting to remove the "media-overlay" property (and not checking with the EPUB validator before releasing...)

EDIT 2: I edited the previous message

AlPe:

Not to be dense, but if there's no SMIL files, how does the score/music follow the text? I admit to not having tried to yet make any ePUB3 audio-embedded iBooks' ePUBS--does this happen, somehow, w/o SMIL files? Does the note/text highlighting occur using something available in ePUB3 that's not viable in 2?

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