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Timecode A User's Guide, 3rd Edition by J. Ratcliff

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Chapter 2Digital processing

Introduction

Timecode is a digital signal. It carries information as a sequence of zeros (0s) and ones (1s), called 'digits'. These digits may represent quantities such as time or film footage, or they may carry 'command' and 'control' information. The assembly of these digits is called 'data'. Just as letters, numbers and characters have to be assembled into recognizable forms (languages) in order to be meaningful, so data must be arranged into recognizable forms in order to carry information. The arrangement of data is referred to as 'protocol'. Protocols define such matters as the number of digits used to form individual data words, the order in which data are presented within the words and the way in which the ...

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