ODT to JPG
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| - Information about ODT |
| File extension |
| odt |
| File category |
| Document file |
| Stands for |
| OpenDocument Text |
| Developer |
| Sun Microsystems |
| Overview |
| Another name for ODT is Open document format for office applications i.e. ODF. It is a Zip compressed Extensible Markup Language (XML) based open format. It is a substitute for Microsoft’s office and used for creating spreadsheets, charts, presentation and other word processing documents. As it is an open software that is why there is no need to get a license, it is free of cost. A number of files and directories that have binary content can be compressed using ZIP's lossless compression and which in result lessens the size of the file. In opendocument, there is one advantage of the separation of concerns which means, there can be distinct sections that address information separately of varied type. It may include content, styles, metadata and application settings as well. |
| Technical description |
| Based on the Sun Microsystems specification for OpenOffice.org, it was created by a technical committee under the OASIS (Organization for the advancement of structured information standards) association. However, the original developer was StarOffice which intended to provide open software for office documents. It was also released under the ISO/IEC international standard ISO/IEC 26300:2006 standard. Furthermore, there are many extensions that are used in Opendocument. This includes .odt and .fodt for word processing documents, .ods and .fods for spreadsheets, .odp and .fodp for presentations, .odg and .fodg for graphics and finally .odf for formulae in mathematics. Besides this, this format is available both as free and proprietary software. AbiWord, Adobe Buzzword, Microsoft office-2003, 2007, 2010, 2013, 2016 and 2019, LibreOffice; etc are few examples of softwares that either fully or partially support this format. |
| Links |
| wikipedia.org |
| - Information about JPG |
| File extension |
| jpg |
| File category |
| Raster Image |
| Stands for |
| Joint photographic experts group |
| Developer |
| The JPEG group |
| Overview |
| Files stored in this format are small in size that is why they can be uploaded and downloaded with ease. It takes less time over the internet to upload and download due to smaller size which results in saving of bandwidth. This extension is compressed using a lossy algorithm that is why there can be a reduction in the quality of the photograph. It has the ability to compress the file to one-tenth of its original size. It is widely used in emails and also when images are to be posted on websites. Digital Cameras and other photographic image capture devices widely use this JPG format. The paintings and photos of realistic scenes that have smooth variations of colour can be best illustrated by this format. |
| Technical description |
| A technique used in JPEG format to compress files is lossy compression which is based on DCT (Discrete Cosine Transform) as it is the most practical Mathematical operation. The DCT actually converts each frame of the video from the spatial domain to a frequency/transform domain. It discards the information of high frequency that has sharp transitions in intensity as well as in colour hue. Furthermore, this standard defines a codec which tells how an image can be encoded into a stream of bytes and decoded back into an image. The files can be compressed in the ratio of 100:1 but that would result in the poor quality of an image. Therefore, to retain the quality of a photo, a file should be compressed till 20:1 ratio not more than that. |
| Links |
| wikipedia.org |
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