As I discussed in last week’s column, despite numerous technological and methodological drawbacks, the idea of using set-top boxes to derive “currency” ratings continues to be popular in the ...

For the purposes of these discussions, we will consider how to select the required parameters for a stereo vision system based on the end application. In this case, our end application is to measure ...

Music company Pandora says it commands about a 4% share of all the music that is heard by radio listeners in the U.S. But its ad sales lag way behind, given what company officials call a lack of ...