Definitions for "Blanking Level"
The level of composite vidoe signal that seperates the spectra containing video information from the spectra containing synchronizing information.
The level of a video signal that separates the picture information from the sync information. The level of the front and back porches is Zero IEEE units. To blank the video signal, the video level is brought down to the blanking level such that nothing is visibly displayed, while the electron beam returns (retraces) to the start of the next line.
It is the level of a video signal which separates the range that contains the picture information from the range that contains the sync information. The level of the front and back porches or zero IEEE units.