Title :
Reduction of Edge Busyness in Delta Modulation
Author :
Oshima, T. ; Ishiguro, T.
Author_Institution :
Nippon Electric Company, Kawasaki, Japan
fDate :
5/1/1975 12:00:00 AM
Abstract :
Edge busyness in delta modulation (AM) is analyzed theoretically and a method of reducing edge busyness is presented. By assuming a simple model for quantizing error waveforms, a theoretical signal-to-edge noise ratio is derived as a function of signal slope. It is shown that more than 10-dB edge-busyness reduction can be achieved by limiting input signal slope to about 80 percent of the

overload slope prior to

. The performance is verified through computer simulation and experimentation.
Keywords :
Delta modulation; Image coding; TV transmission; Codecs; Computer errors; Degradation; Delta modulation; Jitter; Low pass filters; Pulse shaping methods; Sampling methods; Shape; Signal to noise ratio;
Journal_Title :
Communications, IEEE Transactions on
DOI :
10.1109/TCOM.1975.1092836