Crystal Vision's AVDelay 3G puts an end to lip sync problems

Lip sync has always been a common problem, with one or two frames of delay being common. But now, there are more and more situations in which there can be up to several seconds of delay.

The new AVDelay 3G audio/video delay Crystal Vision has been designed to eliminate lip sync problems on 3 Gb/s, HD or SD signals containing up to four groups of embedded audio.

With up to ten seconds of delay adjustable independently of audio and video, it allows full correction of the delay between audio and video.

Lip sync has always been a common problem, with one or two frames of delay being common. But, now, there are more and more situations in which there can be up to several seconds of delay since innovative ways of sending signals are often used in which different methods are combined such as satellite, Skype, ISDN...
For these environments AVDelay 3G allows you to play with up to ten seconds in SD, five seconds in HD and two seconds in 3 Gb/s. Regarding audio, it allows up to ten seconds of delay. This Crystal Vision solution allows you to lip sync in any direction. For example, if the audio comes before the video, the audio can be delayed to allow the video to match, or the other way around.

The video delay is adjustable in seconds and frames. The audio delay is adjustable in seconds, video frames and milliseconds. Video and audio immediately jump to the new delay setting, allowing you to quickly fix lip sync errors. Delays can be set to 0, 5 or 10 seconds by default, offering a useful starting point for making further adjustments.

Dealing with onboard audio is particularly flexible: there are four separate audio delay processors and each can have its own delay time (for a total of four different audio delays at the same time), making it ideal for environments where multiple audio tracks arrive via multiple lanes. Finally, note that AVDelay 3G provides sophisticated Dolby E sound handling, which automatically aligns with the safety strip of the video output.

This new module occupies just 100mm x 266mm with a maximum of 12 2U rack mounting plates.