Black recording


In telecommunication, the term black recording has the following meanings:
  1. In facsimile systems using amplitude modulation, recording in which the maximum received power corresponds to the maximum density of the record medium.
  2. In a facsimile system using frequency modulation, recording in which the lowest received frequency corresponds to the maximum density of the record medium.
Source: Federal Standard 1037C and MIL-STD-188.