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Total TV Measurement (TV Definition)
Total TV Measurement is the industry standard that defines which video exposures count as 'television' regardless of how they are delivered, so linear broadcast, connected TV (CTV) apps and TV-screen streaming are reported under one combined currency instead of separate numbers per platform. It typically requires professionally produced video content, above a minimum duration, watched on a television screen, whether the signal arrives via broadcast, cable, satellite, a CTV app or casting from a phone. Viewing on mobile or desktop screens, and short-form or user-generated content, is normally excluded even when the same episode plays inside a TV app.
Worked example
A campaign targets Dutch adults 20-49, universe 6,000,000. The linear panel reports 1+ reach of 3,200,000 (53.3%). CTV app data adds an incremental 480,000 people exposed only through connected TV, not deduplicated against the linear panel. Total TV reach = 3,200,000 + 480,000 = 3,680,000, or 61.3% of universe, an 8-point lift over the linear-only number that changes how the plan's effectiveness is reported to the client.
How it is used
Planners use the Total TV definition to set a single reach and frequency currency in the brief, so buying targets and post-campaign reporting are stated in the same units whether inventory is bought as linear spots or CTV impressions. Because CTV and streaming measurement usually comes from a different data source, app-level or return-path data, than the linear panel, the definition must specify how duplicate exposure across sources is removed before the two are combined. Markets differ on where the line sits: some standards include TV-screen YouTube if content passes a duration threshold, others exclude all UGC platforms, so a planner working across markets has to confirm the local definition rather than assume it matches the last market they worked in.
The common mistake
The common error is adding linear and CTV reach or GRPs from two separate systems without deduplicating shared viewers, which overstates Total TV reach instead of adding only the incremental, unduplicated audience.