This is adjusted by a human so it is subject to human error. Adjusting it is as simple as turning a knob. Predictive correction equipment is also made but only works reliably on talking heads.
Richard P. > is this an automated device, or one that must be adjusted by a human? > > i watched an event on tv last night that was off sync by close to a full > second. > > At 06:51 PM 9/4/2008, you wrote: >>Yes, and it can be had for less than $8,000. Peanuts in the broadcast >>budget. See product notes below signature. Most stations already have >>this but use it for other things. >> >> >>Leitch Technology has introduced the X75 HD, a versatile up-, down- >>and cross converter and HD frame synchronizer. >> >>The X75 HD features extensive video and audio processing capabilities >>in a 1RU package. >> >>Video processing features include level/color control; optional 3-D >>adaptive color decoding with time base correction; optional noise >>reduction; frame synchronization; and up- and down-conversion with >>aspect ratio conversion for hybrid standard - and HD facilities. >> >>The X75 HD's 16 channels of internal audio processing include timing >>with video for lip sync corrections; level control; analog-to-digital >>and digital-to-analog conversion; and embedding and de-embedding for >>SDI and HD-SDI serial digital signals for interfacing any audio signal >>in a professional environment. ************************************************************************* ** List info, subscription management, list rules, archives, privacy ** ** policy, calmness, a member map, and more at http://www.cguys.org/ ** *************************************************************************
