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Managing Multimedia and Unstructured Data in the Oracle Database by Marcelle Kratochvil

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Chapter 2. Understanding Digital Objects

This chapter will focus on the definitions and terminologies one frequently encounters when working with digital objects. Multimedia objects such as digital images, audio, and video will be covered, as these are currently the most widely used.

Definitions

All digital objects have a variety of formats and most are compressed or encrypted. This section defines some of the most common characteristics associated with a digital object.

Raw format

When a digital photo is taken, a video is recorded, and a document is scanned, the resulting data stored is referred to as the raw format. Some cameras immediately compress the raw format to save it on a storage. Most videos are immediately compressed, because the storage ...

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