Roku will enable deduplicated campaign reach and frequency measurement across tradtional TV, connected TV, desktop and mobile through Nielsen Total Ad Ratings.

The companies previously announced that Roku use Total Ad Ratings to provide measurement on Roku media running through its One View platform and video inventory on Roku Ad Framework certified channels.

Nielsen’s four-screen deduplication capabilities, which will debut on Nielsen Total Ad Ratings, are incorporated in Nielsen One, the cross-media measurement platform Nielsen is set to release in December.

Capabilities available for Roku media running through its OneView platform.