Digital Signal Compression Pdf Data Compression Code In the literature, the terms source coding, data compression, bandwidth compression, and signal compression are all used to refer to the process of compression. in the cases where the signal is defined as an image, a video stream, or an audio signal, the generic problem of compression is to minimise the bit rate of their digital representation. To do so, images must be encoded into a sequence or file of bits, which can be digitally transmitted or stored. when display of the image is required, the sequence file of bits must be decoded into a reproduction of the image. a block diagram of a general data compression system, with an encoder and decoder, is shown in figure 5.1.
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