From A for AGF Videoforschung to Z for zapping, the most important technical terms in video research are explained here.

Time-delayed viewing

Time-delayed viewing refers to TV usage that takes place on the same broadcast day. Since 07/01/2009 it has been part of the AGF system through playback on DVD Blu-ray recorders, DVR and VCR. VOSDAL is the English term for time-delayed usage.

The terms real-time, time-delayed and time-shifted viewing were replaced with live and non-live on 02/25/2015.

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