The various methods for converting analogue signals into the form of pulse-code modulation and back again are reviewed. Reasons are given for preferring a particular method of conversion called ...

His book Principles Of Pulse Code Modulation, published in 1969, became a standard reference on the subject, the university said. Pulse code modulation is a method of turning analogue signals ...

Professor Ken Cattermole, of East Bergholt in Suffolk, worked for many years at the University of Essex and helped launch its telecommunications programme. His book Principles Of Pulse Code Modulation ...