Can Video Noise Reduction Save Money? (1994)
By Rabab K. Wartf, Donald Monteith, John C. Madden
In this paper we discuss the results of research aimed at making the reduction of signal impairments such as thermal noise, composite triple beats (CTB) and composite second order beats (CSO) inexpensive enough for inclusion in DVC set-top converters and other consumer equipment. Simple algorithms which reduce thermal noise, CTB, and CSO by approximately 7 dBs have been developed and demonstrated. Subjective visual improvement is frequently better than actual SNR measurements would imply. Several potential implications of this development on the operations and economics of cable systems are briefly discussed.
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