ST 12-1:2008 Am1:2013 - SMPTE Amendment - Time and Control Code — Amendment 1

The purpose of this amendment is to add support for Progressive video systems with 48 and 48/1.001 Hz frame rates. The techniques described in this amendment follow the same rules used in SMPTE ST 12-1 for Progressive video systems with 50, 60 and 60/1.001 Hz frame rates. — This amendment also updates the normative references to the current versions.