Email can containing other media types such as audio image and video but the

Email can containing other media types such as audio

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information content of email message does not limited to text. Email can containing other media types such as audio, image and video but the mail server need to handle multimedia messages. Voice-mail With internet-based voice-mail, a voice-mail server must associated with each network. The user enters a voice message addressed to the intended recipient and the local voice-mail server then relays this to the server associated with the intended recipient’s network. Multimedia-mail With multimedia-mail, the textual information is annotated with a digitized image, a speech message, or a video message . Multimedia System 030728.ppt 34 Multimedia Electronic Mail Structure Mail Header Hi Tom If your multimedia mail is working now just click on the following: Otherwise the text version is in the attached file Regards Fred Speech part Image part Video part Speech part Image part Video part Sent initially Sent on request Multimedia System 030728.ppt 35 Multimedia Elements For example, speech-and-video, the annotations can be sent either directly to the mailbox of the interned recipient together with the original textual message -- and hence stored and played out in the normal way or they may have to be requested specifically by the recipient when the textual message is being read. In this way, the recipient can always receive the basic text- only message but the multimedia annotations can be received only if the terminal being used by the recipient supports voice and/or video. Multimedia System 030728.ppt 36 Multimedia Applications GIS Geographic information systems (GIS) refer to those computer systems that are being used in scientific investigations, analysis, management, development and planning of geographically data and resources. Multimedia application in GIS allows the user to visualize and interact with scientific data more effectively. GIS is similar to CAD except a continuous and large data set, heterogeneous, GIS geometry is primarily obtained by remote sensing or surveying, lines of fractal nature like the coastlines are common.
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Multimedia System 030728.ppt 37 GIS Different kinds of data in map form can be entered into a GIS. A GIS can also convert existing digital information, which may not yet be in a map form, into forms that it can process and use. For example, digital satellite images can be analyzed to produce a map like layer of digital information about vegetative covers Census or hydrologic data can be converted to map-like form and presented as layers of thematic information in a GIS. Some GIS system includes simulation and modelling functions that demands sophisticated display. Multimedia System 030728.ppt 38 Search window Community Map Data Viewer Documents Vector Map Raster Map Sound Video images /animations /landscape view ζ Application of Multimedia in GIS Multimedia System 030728.ppt 39 GIS Software and Reference on Web GeoVISTA Center of The Pennsylvania State University National Spatial Data Infrastructure (NSDI) GIS software at ESRI
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