.GSM File Extension

Audio format used to transfer voice over a modem; used by the GSM QuickLink, VoiceGuide, and RapidComm models; sometimes used for audio faxes.

Audio format designed for telephony use in Europe; optimized for recording vocal audio, such as a telephone conversation.

3D object that is defined using the Graphic Description Language (GDL), a standard method of describing three-dimensional shapes; recognized by ArchiCAD and other Building Information Modeling (BIM) applications.

Map visualization project created with MapViewer, a spatial analysis program used for creating geographic maps; saves visualization settings (text labels, colors, a legend) as well as references to source data files that are used to generate the map.

MapViewer maps are used for overlaying user-specific data on geographic areas. For example, users can generate climate maps, population density maps, or many other types of maps using other data sets. Completed visualizations can be exported to raster graphic formats for publication and presentation.