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Definition of "compression" |
The reduction of the bandwidth needed to transmit a given amount of data in a given time. The reduction of the time needed to transmit a given amount of data in a given bandwidth. / In asynchronous communication systems, odd parity refers to parity checking modes, where each set of transmitted bits has an odd number of bits. If the total number of ones in the data plus the parity bit is an odd number of ones, it is called odd parity. / (1) in information theory, the compact encoding (with a smaller number of bits) Ic of a digital image or signal I obtained by removing redundant or nonsignificant information, thus saving storage space or transmission time. Compression is termed lossless, if the transformation of I into Ic is reversible, otherwise it is termed lossy. |
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