... against.The PSDB set about devising practical methods of defining and measuring such things as picture resolution and image size and, forexample, in 1989 introduced the Rotakin method of testing ... allsizes. Within the industry there is a genuine need for engineers who trulyunderstand the technology they are dealing with, and who have the levelof underpinning knowledge in both CCTV and electronics ... currently seeing is changing this.PC technology is rapidly changing our traditional ideas of viewing and recording video and sound, and much of this hardware is inexpensive.Also, whereas in the early...