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Format

JPEG Extended Range

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Summary

Name
JPEG Extended Range
Identifiers
  • PUID: fmt/590
  • MIME: image/jxr
Format type
Image (Raster)
Description
JPEG XR (abbr. For JPEG extended range) is a still-image compression standard and file format for continuous tone photographic images, based on technology originally developed and patented by Microsoft under the name HD Photo (formerly Windows Media Photo). It supports both lossy and lossless compression.
File extensions
wdp, jxr
Submitted by
Digital Preservation Department / The National Archives
Developed by
Microsoft Corporation
Supported by
Microsoft Corporation

Internal signatures

JPEG XR

Description
BOF: II¼.
Provenance
http://msdn.microsoft.com/en-us/library/windows/desktop/hh707223(v=vs.85).aspx

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
4949BC01
Endianness
None

Changelog

  • V86

    Release date
    27 July 2016

    • Updated

      JPEG Extended Range: Added MIME type.

  • V72

    Release date
    12 November 2013

    • Added format

      JPEG XR: Outline Entry Added.

    • Added signature

      JPEG XR: Signature developed through PRONOM Research.