![]() ![]() The Digital Accessible Information SYstem (DAISY) is an XML-based open standard published by the National Information Standards Organization (NISO) and maintained by the DAISY Consortium for people with print disabilities. DAISY has wide international support with features for multimedia, navigation and synchronization. A subset of the DAISY format has been adopted by law in the United States as the National Instructional Material Accessibility Standard (NIMAS), and K-12 textbooks and instructional materials are now required to be provided to students with disabilities.ĭAISY is already aligned with the EPUB technical standard, and is expected to fully converge with its forthcoming EPUB3 revision. Djvu Format:ĭjVu is a format specialized for storing scanned documents. It includes advanced compressors optimized for low-color images, such as text documents. Individual files may contain one or more pages. ![]() The contained page images are divided in separate layers (such as multi-color, low-resolution, background layer using lossy compression, and few-colors, high-resolution, tightly compressed foreground layer), each compressed in the best available method. The format is designed to decompress very quickly, even faster than vector-based formats. The advantage of DjVu is that it is possible to take a high-resolution scan (300–400 DPI), good enough for both on- screen reading and printing, and store it very efficiently. Several dozens of 300 DPI black-and-white scans can be stored in less than a megabyte.ĭOC is a document file format that is directly supported by few ebook readers. Its advantages as an ebook format is that it can be easily converted to other ebook formats and it can be reflowed. It can be easily edited using Microsoft software, and any of several other programs. Note that the format has changed several times since its original release, and there are numerous incompatibility difficulties between various releases and the assorted programs which attempt to read / write the format.ĭOCX is a document file format that is directly supported by few ebook readers. Its advantages as an ebook format are that it can be easily converted to other ebook formats and it can be reflowed. ![]() epub or OEBPS format is a technical standard for e-books created by the International Digital Publishing Forum (IDPF). The EPUB format has gained some popularity as a vendor-independent XML-based e-book format. The format can be read by the Kobo eReader, BlackBerry devices, Apple's iBooks app running on Macintosh computers and iOS devices, Google Play Books app running on Android and iOS devices, Barnes & Noble Nook, Amazon Kindle Fire, Sony Reader, BeBook, Bookeen Cybook Gen3 (with firmware v2 and up), Adobe Digital Editions, Lexcycle Stanza, FBReader, PocketBook eReader, Aldiko, the Mozilla Firefox add-on EPUBReader, Lucifox, Okular and other reading apps.Īdobe Digital Editions uses. Epub format for its e-books, with digital rights management (DRM) protection provided through their proprietary ADEPT mechanism. ![]()
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