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File Format

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MP3 Breakdown of an MP3 File's Structure Internet Stream Format mp3 Audio file format
MPEG-1 Audio Layer 3, more commonly referred to as MP3, is a digital audio encoding format using a form of lossy data compression. It is a common audio format for consumer audio storage, as well as a de facto standard encoding for the transfer and...
EXE       Executable
EXE is the common filename extension denoting an executable file (a program) in the DOS, OpenVMS, Microsoft Windows, ReactOS, and OS/2 operating systems.Besides the executable program itself, many EXE files contain other components called resources,...
Wma     wma Audio file format
Audio file format from Microsoft
Wmv   Mobile TV Format wmv Video file format
Video file format from Microsoft
Disk image   File Format Genre   Disk image
A disk image is a single file containing the complete contents and structure representing a data storage medium or device, such as a hard drive, CD, or DVD. A disk image file is usually created by creating a sector-by-sector copy of the source media...
File archiver
ISO image     iso Disk image
An ISO image is an archive file (a.k.a. disk image) of an optical disc using a conventional ISO (International Organization for Standardization) format that is supported by many software vendors. ISO image files typically have a file extension of ...
File archiver
Disk cloning       Disk image
Disk cloning is a category of software which copies the contents of one computer hard disk to another. Often, the contents of the first disk are written to an image file as an intermediate step, and the second disk is loaded with the contents of the...
Boot image       Disk image
A boot image is a type of disk image (a computer file containing the complete contents and structure of a Computer storage media). When it is transferred onto a boot device it allows the associated hardware to boot. This usually includes the...
Departmental boot image       Disk image
A departmental boot image is a boot image for any computer that has been enhanced by adding some applications and passwords specific to a task or group or department in an organization. This has many of the advantages of a thin client strategy, but...
Boot image control       Disk image
A boot image control strategy is a common way to reduce total cost of ownership in organizations with large numbers of similar computers being used by users with common needs, e.g. a large corporation or government agency. This is considered part of...
.dmg     .dmg Disk image
A file with the extension .dmg (an abbreviation for disk image) uses a disk image format commonly found on Mac OS X. The format allows secure password protection as well as file compression and hence serves both security and file distribution...
File archiver
Qcow       Disk image
qcow is a type of disk image that can be used with the QEMU emulator, the other types being vvfat, vpc, bochs, dmg, cloop, vmdk, cow, and raw, depending on the OS. The qcow image grows as data is added, and supports AES encryption and transparent...
Self mounting image       Disk image
A self mounting image is a disk image format, commonly found on the Macintosh platform, that is encapsulated in an application that mounts it as a file system. When downloaded from the Internet, they are often in a BIN, BinHex or StuffIt file....
Direct Access Archive     .daa Disk image
Direct Access Archive, or DAA, is a proprietary file format developed by PowerISO Computing for disk image files. The format supports features such as compression, password protection, and splitting to multiple volumes. Because of its proprietary...
File archiver
Universal Image Format       Disk image
Graphics File Formats
File archiver
Nrg     nrg Disk image
A .nrg file is a proprietary CD image file format used by Nero Burning ROM, a utility suite made by Nero AG, to create and burn ISO 9660 CD images. Other than Nero Burning ROM, a variety of software titles can use these image files. For example,...
File archiver
Geography Markup Language       GIS file formats
The Geography Markup Language (GML) is the XML grammar defined by the Open Geospatial Consortium (OGC) to express geographical features. GML serves as a modeling language for geographic systems as well as an open interchange format for geographic...
USGS DEM       GIS file formats
The USGS DEM standard is a geospatial file format developed by the United States Geological Survey for storing a raster-based digital elevation model. It is an open standard, and is used throughout the world. It has been superseded by the USGS's own...
GIS file formats   File Format Genre   GIS file formats
A GIS file format is a standard of encoding geographical information into a file. They are created mainly by government mapping agencies (such as the USGS) or by GIS software developers. Metadata often includes: *
Spatial Data Transfer Standard       GIS file formats
Spatial Data Transfer Standard, or SDTS, is a standard used to describe earth-referenced spatial data. It was designed to easily transfer and use spatial data on different computer platforms.
GeoTIFF       GIS file formats
GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF file. The potential additional information includes projection, coordinate system, ellipsoid, datum, and everything else necessary to...
Digital raster graphic A small portion of a USGS DRG     GIS file formats
A digital raster graphic (DRG) is a digital image resulting from scanning a paper USGS topographic map for use on a computer. DRGs created by USGS are typically scanned at 250 dpi and saved as a TIFF. The raster image usually includes the original...
Topologically Integrated Geographic Encoding and Referencing An example of a map generated using TIGER/Line data using the Global Mapper application.     GIS file formats
Topologically Integrated Geographic Encoding and Referencing, or TIGER, or TIGER/Line is a format used by the United States Census Bureau to describe land attributes such as roads, buildings, rivers, and lakes, as well as areas such as census tracts...
Geographic Data Files       GIS file formats
Geographic Data Files or GDF is an interchange file format for geographic files. In contrast with generic GIS formats, GDF provides detailed rules for data capture and an extensive catalog of standard features, attributes and relationships. GDF is...
Geographic data       GIS file formats
Geographic data is about much more than electronic pictures of map. The geographic data that describes our world allows for city planning, flood prediction and relief, emergency service routing, environmental assessments, wind pattern monitoring...
Geodatabase       GIS file formats
A geodatabase is a database designed to store, query, and manipulate geographic information and spatial data. It is also known as a spatial database. Within a spatial database, spatial data is treated as any other data type. Vector data can be...
NTF     ntf GIS file formats
The National Transfer Format (NTF) is a file format designed in 1988 specifically for the transfer of spatial information; it is administered by the British Standards Institution. It is now the standard transfer format for Ordnance Survey digital...
Geocoded photo       GIS file formats
A geocoded photograph is a photograph which is associated with a geographical location. A geocoded image can be associated to geographical coordinates such as latitude, longitude and altitude, or to a street address. In theory, every part of a...
MapInfo Interchange Format       GIS file formats
MapInfo Interchange Format is a map and database exporting file format ofMapInfo software product. The MIF-file filename usually ends with .mif-suffix.Some MIF-files also have a related MID-file. The filename of a MID-file usually endswith .mid...
Keyhole Markup Language     kml GIS file formats
Keyhole Markup Language (KML) is an XML-based language schema for expressing geographic annotation and visualization on existing or future Web-based, two-dimensional maps and three-dimensional Earth browsers. KML was developed for use with Google...