Properties are always associated with an asset, meaning that the properties are ‘about’ the resource. Metadata schemas are predefined sets of metadata property definitions that can be used in various applications. Other metadata that can be embedded from files include Microsoft Word, PowerPoint, Excel, and so on. For this reason, Experience Manager Assets offers mapping of Exif properties into common metadata schemata and into XMP. Metadata fields defined by Exif are typically technical in nature and are of limited use for descriptive metadata management. Exif format is the lowest common denominator for metadata management especially for images.Ī major limitation of Exif is that a few popular image file formats such as BMP, GIF, or PNG do not support it. Modern digital cameras create Exif metadata and modern graphics software support it. These metadata name-value-pairs are also called tags, not to be confused with the tagging in Experience Manager. Exif stores metadata as pairs of a metadata name and a metadata value. It provides a way of embedding a fixed vocabulary of metadata properties in many file formats, such as JPEG, TIFF, RIFF, and WAV.
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