Patent ID: 6064449
Filing Date: 2000-05-16
Classification: H04N

Abstract:
In a processing system that is configured to receive a plurality of television signal types including standard cable (STD), incremental coherent carrier (IRC) and harmonically related carrier (HRC), a method of characterizing an input television signal, the method comprising the following:a step for tuning to a plurality of television channels in the range of from channel 2 to channel 13;for each of the plurality of the television channels tuned to in the step for tuning, a step for determining which of the plurality of television signal types that the television channel frequency is closest to;a step for maintaining a counter corresponding to each of the plurality of television signal types;a step for incrementing a counter corresponding to a television signal type when the step for determining determines that a television channel corresponds to the television signal type; anda step for automatically identifying the input television signal type as that having the highest counter.