The digital signal processor is used for filtering, measuring, compressing analogue and digital signals. The processing of sign implies that manipulation and analysis of digital indicators. This course of could be made utilizing utility specified integration circuits, digital signal processor, field-programmable gate array or it could be a pc to realize a definite sign. The processors in DSP are used for barcode scanners, oscilloscope, printers, cell phones. These processors are used for speedy and implied for real-time functions.