XMP Specification September 2005 49 XMP Schemas XMP Dynamic Media Schema 4 XMP Dynamic Media Schema This schema specifies properties used by the Adobe dynamic media group. ● The schema namespace URI is http://ns.adobe.com/xmp/1.0/DynamicMedia/ ● The preferred schema namespace prefix is xmpDM Property Value Type Catego ry Description xmpDM:projectRef ProjectLink Internal A reference to the project that created this file. xmpDM:videoFrameRate open Choice of Text Internal The video frame rate. One of: 24 NTSC PAL xmpDM:videoFrameSize Dimensions Internal The frame size. For example: w:720, h: 480, unit:pixels xmpDM:videoPixelAspectRatio Rational Internal The aspect ratio, expressed as ht/wd. For example: “648/720” = 0.9 xmpDM:videoPixelDepth closed Choice of Text Internal The size in bits of each color component of a pixel. Standard Windows 32-bit pixels have 8 bits per component. One of: 8Int 16Int 32Int 32Float xmpDM:videoColorSpace closed Choice of Text Internal The color space. One of: sRGB (used by Photoshop) CCIR-601 (used for NTSC) CCIR-709 (used for HD) xmpDM:videoAlphaMode closed Choice of Text External The alpha mode. One of: straight pre-multiplied xmpDM:videoAlphaPremultipleColor Colorant External A color in CMYK or RGB to be used as the pre-multiple color when alpha mode is pre-multiplied. xmpDM:videoAlphaUnityIsTransparent Boolean Internal When true, unity is clear, when false, it is opaque.