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In a previous article, we reviewed the benefits and uses of PDF metadata. Specifically, we looked at the emergence of XMP metadata as a potential standardization for metadata frameworks and at how it can help PDF developers store, exchange, track, and retrieve information. In this article we will explore the injection of custom XMP metadata tags into existing PDF/A documents. PDF/A and XMP: Inevitable Convergence In 2001, developers recognized the need to add their own customized XMP metadata tags to PDF documents. They understood that by adding their own information, they could make a document easier to retrieve and include data that would not change regardless of where or how it was processed. However, the introduction of the PDF/A standard has challenged some developers and has forced them to rethink how they would incorporate their XML customizations, especially... (more)

Automating Preflight with PDF Analyzer

From Check List to PDF Options More than a decade ago Chuck Weger coined the term “preflight” to define the verification process of digital files prior to printing. Since then, this process or “check list” has materialized into integrated PDF options, plug-ins, and standalone products. Automated Batch Processing Unlike integrated options and plug-ins, PDF Analyzer can be installed on a server to perform the preflight of large numbers of documents as an automated batch process (Figure 1) without user interaction. Figure 1: Automated Preflight PDF Analyzer validates the structure ... (more)

Injecting Intelligence into PDFs with XMP (Part 1)

What is Metadata and Why Use it? Metadata is descriptive information about data. It can be embedded into a PDF file (as XML) to help identify its contents or characteristics during its travels. Examples of metadata include: author names, document title, subject description, source type, etc. Metadata can help manage change. When businesses integrate metadata into their work flows, they can better track their document life cycles and stay ahead of document changes more effectively. However, as businesses grow and integrate metadata, they often introduce: Large amounts of unstructu... (more)

New Mobile Application Development Tool Saves Developers Time and Money

Amyuni Technologies, a vendor of high-performance development tools, has announced the release of the DevTouch Pro, a revolutionary software deployment tool designed for mobile application developers. The DevTouch Pro is a color touchscreen tablet designed to provide mobile application developers and product managers with a customizable development, testing, and deployment platform. When asked about what prompted the development of the DevTouch Pro, Amyuni President/ CTO Dany Amiouny responded, “To introduce new mobile products, vendors are often left with limited options such a... (more)

JBIG2: How PDFs and Developers Benefit

Ever since the PDF's payload began carrying images, file size quickly became an issue. As people began adding larger and larger images into their PDF it took longer to transmit these files and the space in which they were stored filled up faster. Luckily image compression technologies were never far behind to help alleviate these problems. One such technology is JBIG2, a bi-level (black/white) image compression format introduced by the Joint Bi-level Image Experts Group. Unlike previous image compression formats (including its predecessor JBIG1) JBIG2 uses an intelligent algorit... (more)