“Bienvenue dans la jungle des formats de fichiers.
ePub, Mobi, Prc, Azw, Cbr, Cbz, Pdf sont les formats privilégiés des livres numériques. Sans compter les formats supplémentaires que certains lecteurs savent aussi afficher comme le .doc de Microsoft Office, ainsi que les fichiers texte comme le RTF, le TXT et même le HTML.
Résultat, il est bien difficile de savoir quel format sera le plus adapté à votre liseuse, et surtout le plus pérenne. Car il est fort probable que vous changiez un jour de support mais pas de bibliothèque. Alors autant s’assurer que vos livres soient compatibles avec votre nouvel outil de lecture… Quel format choisir, et comment les convertir?”
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“Microsoft formats are routinely cited as examples where prophylactic format migration is required as part of a responsible digital preservation workflow. Over at Groklaw, PJ has a fascinating, long post up using SEC filings and Microsoft internal documents revealed in the Comes case to demonstrate that Microsoft’s strategic use of incompatibility goes back at least 20 years and continues to this day. Her current example is the collaboration between Microsoft and Novell around Microsoft’s “Open XML”. This strategy poses problems that the advocates of format migration as a preservation strategy need to address. For details, follow me below the fold.”
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“Google plans to announce the new WebP graphics format today along with its research that indicates its use could cut image file sizes by 40 percent compared to today’s dominant JPEG file format. That translates to faster file transfers and lower network burden if Google can convince people to adopt WebP. “
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