The Key Aspects Of Signal-To-Noise In Television Viewing. (1973)
By John E.D. Ball and R. Evans Wetmore, Public Broadcasting Service
This paper discusses the various types of noise that are encountered in the transmission of television picture signals from the studio camera to the home receiver. A number of different methods of measuring and computing signal-to-random noise ratios are then discussed and are then compared in a normalized fashion using the CCIR* recommended method of measurement. Subsequently typical random noise levels measured on television systems and equipment are reported. Finally, some signal-to- noise targets for CATV systems are suggested.
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