Quote:
Originally Posted by mramosch
In .kepub.epub embedded audio gets rejected on KOBO devices, by showing the error text you provide when embedding the element into your HTML.
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Interesting. In playing with audio on my Sage, if I had Bluetooth on and a audio device connected, I could play an audio file in a .kepub.epub file if the format was supported. Video is not supported since video on an eInk screen is pathetic at best.
Quote:
Originally Posted by mramosch
Same ebook with .epub extension only, the error message is not shown in the place where the audio element is supposed to be displayed, which means it either got rejected and they don’t prompt it or it is sitting there but cannot be accessed because the touch layer filter restricts all communication with the JS underneath.
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As far as I know, the RMSDK version used by Kobo does not support the ePub3 audio/video extensions nor does it support JS. The proper behaviour according to the ePub specs is to treat unknowns as null operations.
There are newer versions of RMSDK but so far, Kobo has not updated. Probably since they wish to push ePub3 users to using their WebKit based renderer and not spending any more money on Adobe than needed.