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FAQ - Technique/17/en
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Révision datée du 19 novembre 2019 à 16:27 par Rdal (discussion | contributions) (Page créée avec « *PDF/A-1a: This level complies with ISO 19005-1 Standard. The text can be extracted and viewed by several devices, including handheld devices. *PDF/A-1b: Compliance level... »)
- PDF/A-1a: This level complies with ISO 19005-1 Standard. The text can be extracted and viewed by several devices, including handheld devices.
- PDF/A-1b: Compliance level B – This category is considered the minimum compliance level. This level ensures the document can be displayed and read on a computer monitor but does not guarantee its readability.
- PDF/A-2: PDF/A-2 is based on ISO 32000-1 and offers improved characteristics over specification 1.4 Adobe PDF. Here's a little overview:
- Support for JPEG2000 compression (colour documents)
- PDF/A files integrated through collections/portfolios
- Transparency, optional content (layers): useful for mapping or drawing or document design in several languages (various content on different layers)
- Acceptation unicode (PDF/A-2U)
- XMP metadata at object level (new requirements for customized metadata)
- Comments and notes (list of accepted comment and note types for PDF/A-2)
- Rules for electronic signature
- PDF/A-3: PDF/A-3 is based on ISO 32000-1 and offers support for integrated files.
