Patent Document ID: 7532257
Application ID: 11220488
Patent Status: 1

Claim One:
1. An apparatus to compensate for distortion in a video decoder, the apparatus comprising: a compensator that is coupled to a plurality of input channels and that has a plurality of compensated channels, wherein the compensator includes: a plurality of first filters, wherein each first filter is coupled to at least one of the input channels; and a plurality of gain elements, wherein each gain element generates a multiplied output by multiplying an output from at least one of the first filters with a first digital gain, and wherein each gain element combines its multiplied output with another input channel to produce at least one of the compensated channels; a plurality of second filters, wherein each second filter is coupled to and applies at least one second digital gain to at least one of the input channels and at least one of the compensated channels, and wherein each second filter produces a filtered channel; a selection network that selects at least one of the filtered channels of the second filters or at least one of compensated channels; and a digital control that provides the first digital gain to each gain element, the second digital gain to each second filter, and at least one control signal to the selection network.