Format
JPEG Extended Range
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.
External Links
The National Archives is not responsible for the contents available at the following links