Digital Signal Processing (DSP) has revolutionized numerous fields, from telecommunications to audio processing, offering unprecedented capabilities in analyzing, manipulating, and transmitting signals. This article traces the evolution of DSP from its analog roots to its current digital dominance. Beginning with the conceptualization of analog signal processing, it explores the limitations that led to the advent of digital methods. Key milestones, including the introduction of the Fast Fourier Transform (FFT) algorithm, the development of digital filters, and the emergence of specialized DSP hardware, are discussed. Moreover, the article examines the transformative impact of DSP on various industries and its role in shaping modern technologies. Finally, it highlights future trends and potential advancements in the realm of digital signal processing.Keywords:
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