the head end aggregates votes from multiple dstb and assembles an optimized flotilla of ads into the available bandwidth which may include the programming channel and multiple ad channels at the time of the commercial break the dstb selects a u201c path u201d through the flotilla to deliver appropriate ads the dstb can then report what ads were delivered together with goodness of fit information indicating how well the actual audience matched the targeting parameters the present invention can be directly implemented in the noted targeted asset delivery system that is using the technology described herein the audience classification parameters for the current viewer s can be estimated at the dstb this information can be used for voting ad selection and or goodness of fit determinations as described in the noted pending application alternatively the description below describes a filter theory based head end ad selection system that is an alternative to the noted voting processes as a still further alternative click stream information can be provided to the head end or another network platform where the audience classification parameters may be calculated thus the audience classification parameter ad selection and other functionality can be varied and may be distributed in various ways between the dstbs head end or other platforms the following section is broken into several parts in.