Quickfilter Technologies utilizes patented technologies in digital filtering and audio processing that provide customers with cost effective solutions to their digital processing needs. These solutions are easy to use and provide improved time-to-market by allowing the end equipment engineer the flexibility to design a system without the need for extensive and costly software development. The Quickfilter solution consists of both hardware and software products that are closely coupled and which enable customers to rapidly complete a design at significantly lower cost and higher performance. In addition, Quickfilter products can be reprogrammed in place, on-the-fly during design, at the time of shipment or in the field. The Quickfilter products are ideally suited for applications in consumer audio, industrial monitoring and control, medical equipment, homeland security, and engine control applications.