14-03-2016, 07:21 PM
US timezones were a major reason for VTR development. Without it, no live show could be screened in prime time nationwide. The quadruplex sysem was released by Ampex in 1956. It was the first successful VTR. Its primary use in the 1950s was time shifting.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv







