Digital Signal Processing (DSP) is the analysis and manipulation of signals using digital techniques to improve their quality or extract useful information. It involves converting real-world analog signals into digital form, processing them using mathematical algorithms, and then converting them back if needed. DSP is widely used in applications like audio processing, image enhancement, telecommunications, and biomedical engineering. Its main advantage lies in high accuracy, flexibility, and the ability to store and transmit data efficiently. With advancements in technology, DSP continues to play a vital role in modern electronic systems.