Perfect Digital Photography by Jay Dickman & Jay Kinghorn

Author:Jay Dickman & Jay Kinghorn
Language: eng
Format: epub
Publisher: McGraw-Hill Education
Published: 2009-09-14T16:00:00+00:00

Where Metadata Comes From

The term metadata is used in a number of different contexts depending upon the user, but most would agree that metadata is information that describes an asset. This asset can be a CD, DVD, photograph, video clip, or web page, and the metadata can describe technical information about the asset or descriptive information that provides context. For example, if you look at a track on a music download service, you’ll see that the digital file containing the music has a number of different attributes: artist, album, track listing, track duration, genre, rating, and so forth. These are all examples of technical metadata. This allows you to find the track by searching for the genre “rock” or the artist’s name.

Like the music data analogy, the more descriptive metadata you apply to your images, the richer your image collection becomes. Using a combination of the star rating system and a descriptive keyword, you can find the 15 best travel photos you’ve taken from a library of 20,000 images. Or perhaps you want to find all the snowboarding photos you took in 2008. You can do that all by adding just a little bit of descriptive metadata.

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