Non-real-time applications are also common. By some estimates, even with impending limitations other areas of application. The growing number of applications and demand for increasingly sophisticated algorithms go hand-in-hand with the rapid development of device technology for implementing signal processing systems.
As we look to the future, it is clear that the role of signal processing is expanding, driven in part by the convergence of communications, computers, and signal processing in both the consumer arena and in advanced industrial and government applications. High-density data storage devices and new solidstate memories rely increasingly on the use of signal processing to provide consistency and robustness to otherwise fragile technologies. MPEG audio and video and JPEG1 image data compression standards rely heavily on signal processing principles and techniques. Sophisticated digital signal processors are at the core of all modern cell phones. Although we routinely take for granted the extraordinary performance of multimedia systems, such as high definition video, high fidelity audio, and interactive games, these systems have always relied heavily on state-of-the-art signal processing. Signal processing algorithms and hardware are prevalent in a wide range of systems, from highly specialized military systems and industrial applications to low-cost, high-volume consumer electronics. Signal processing applications span an immense set of disciplines that include entertainment, communications, space exploration, medicine, archaeology, geophysics, just to name a few. The rich history and future promise of signal processing derive from a strong synergy between increasingly sophisticated applications,new theoretical developments and constantly emerging new hardware architectures and platforms.
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