Glossary
From A for AGF Videoforschung to Z for zapping, the most important technical terms in video research are explained here.
Reception levels
Four reception levels for TV which also are relevant for recruiting and weighting are distinguished:
- until 2023: IPTV, satellite, cable and terrestrial
- from 2024: satellite, cable, terrestrialand Internet (TV)
Definitions (from 2024):
- Satellite: TV reception via a satellite dish or a satellite communal system.
- Cable: TV reception through a cable connection, usually with a monthly fee to a cable network operator (alternative billing through rental charges is possible).
- Terrestrial: TV reception via DVB-T/DVB-T2, requiring a house, room, or rod antenna, and a DVB-T/DVB-T2 receiver.
- Internet (TV): TV reception via the internet, including IPTV, OTT, and hybrid offerings.
The reception methods are determined in households for all TV devices under measurement (including connected auxiliary devices). Based on the reception level hierarchy, each household is assigned to exactly one reception level.
Currently, satellite reception constitutes the largest share.
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