One of the fastest-growing components employed in systems, Digital Signal Processors (DSPs), with worldwide unit shipments estimated at 1.5 bln units in 2004, will grow to approximately 2.8 bln units by the end of 2009, reports In-Stat. Floating point DSPs are expected to lead revenue increases over the next five years, growing from $1.0 bln in 2004 to approximately $2.2 bln by 2009. The communications market segment is expected to represent 61% of the market in 2009, losing approximately 5% share compared with 2004. The combined segments of industrial and mil-aero will increase purchases as part of updating and extending the capabilities of their equipment. They will pay higher prices however due to their demands of higher performance and lower purchasing power increasing by 6% their market share, bringing up the combined revenue percentage of both to 20% of the total market in 2009.