ITU-R 568-1978 (WITHDRAWN) Single Value of the Signal-to-Noise Ratio for All Television Systems - Section CMTT A - Television Transmission Standards and Performance Objectives
that results of studies made by various administrations have shown the need for weighting the measured noise so that, in principle, a single value of signal-to-weighted noise ratio would result in the same subjective opinion value irrespective of the spe
ITU-R 568-1978 history
1978ITU-R 568-1978 (WITHDRAWN) Single Value of the Signal-to-Noise Ratio for All Television Systems - Section CMTT A - Television Transmission Standards and Performance Objectives