According to the company IHS iSuppli set-top box market research report, the 2010 sales soar in 2011 after the global set-top box shipments are expected to fall 5.5%. This year is estimated at 134.9 million a set-top box shipments, lower than last year, set a high 142.7 million. Although this year market downward adjustments, but in 2012 will be a small improvement, projected will be shipped rose 0.4%, to 135.4 million, and then the next two years of growth to a few per cent. But in the year 2015 will appear market saturation signs, the growth rate will be lower than 1%, to 151.7 million, as shown in figure.

IHS companies think that, in general, the expected 2011 year down doesn't mean the market downturn, but of a 2010 10.4% of a fixed. Because football World Cup final and the largest Comcast cable operators from analog to digital transmission, last year the set-top box market especially strong. The football World Cup in the global broadcast brought many new users, and Comcast to the digital transition in 2010 is enough to push North America set-top box shipments increased to 29.3 million, far higher than that of the previous year 25.6 million. IHS company forecast, last year the boom of abnormal factors bring performance after subsidise, set-top box market will continue to grow, but will remain differentiation state. In North America and Europe and other mature market, the expansion of the market power will set-top box from consumers to can watch the high-definition programming high-end set-top box. And in Asia and other developing regions, growth will come from consumers start to use the entry level standard qing set-top box. When emerging area finally to adopt hd set-top box and digital video recorder (DVR)