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TYPO3 4.3 Multimedia Cookbook by Dan Osipov

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Chapter 3. Operating with Metadata in Media Files

As great as modern technology is, computers are not yet able to look inside media files to describe them. Although there is some advancement, such as facial recognition technology, we still have to rely on metadata to describe files. In this chapter, we will learn about the major types of metadata, how it can be inserted in files, and how it can be extracted and used for content management in TYPO3.

In this chapter, we will cover:

  • Inserting metadata into images
  • Extracting metadata from images
  • Inserting metadata into audio
  • Extracting metadata from audio
  • Extracting metadata from PDF

Inserting metadata into images

A lot of the images already have metadata. Most digital cameras record their settings at the ...

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