Please try again, or refresh the page. All converters. Archive converter. Audio converter. CAD converter. Device converter. Document converter. Ebook converter. Hash encryption. Image converter. There might also be a similar version set up to work with a digital print-on-demand POD service. Conversion services have developed sophisticated programs and processes to extract the text and layout information to produce a clean, marked up source file for ebook production.
Your service provider will need to produce a special screen version. For hard-copy books , the process has a couple of extra steps. It starts with a page-by-page scan. To create editable text, a process called optical character recognition OCR is used to convert the images of text into editable text.
OCR is an imperfect process, so a human proofreader corrects errors and applies mark up tags to mark up the document structure. The result should be a clean, marked up source file which is used for conversion.
This one is non-destructive , that is the original book is not taken apart to scan. Destructive scanning is cheaper. There might be problems using them if they are from very old versions, or have missing fonts or images.
If the book has never been published in print form, or has been subject to extensive revisions for a digital-only edition, the source format is likely to be Microsoft Word. As we saw above, the process starts with the scanned book pages or a print-ready PDF or layout files. Next, the text, images and other information are extracted from the source file for further processing.
Before the extracted content can be transformed into an ebook, the raw text must be marked up using a special markup language to tag the structure and sometimes the meaning of the content. Markup languages are used to allow computer processing of documents.
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