AV Fingerprinting May End TV Lip Sync Woes

AV fingerprinting technology uses algorithms to compare two signals — one with no lip sync errors and one anywhere in the program distribution chain. If there’s a difference between the signals, software alerts operators or the system can automatically correct the error. Vendors are offering systems now, but some others, and some buyers, are waiting until an SMPTE committee develops a standard. There’s also a push to get the Consumer Electronics Association to adapt and extend the standard for use all the way to the TV set.