VESA Stereo is a

liquid crystal shutter glasses An active shutter 3D system (a.k.a. alternate frame sequencing, alternate image, AI, alternating field, field sequential or eclipse method) is a technique of displaying stereoscopic 3D images. It works by only presenting the image intended for th ...

interface standard by the

Video Electronics Standards Association VESA (), formally known as Video Electronics Standards Association, is an American technical standards organization for computer display standards. The organization was incorporated in California in July 1989To retrieve the information, searc ...

(VESA) for stereoscopic

3D display A 3D display is a display device capable of conveying depth perception, depth to the viewer. Many 3D displays are stereoscopic displays, which produce a basic 3D effect by means of stereopsis, but can cause eye strain and visual fatigue. Newer ...

s. The system does not drive the glasses directly, instead providing a basic signal and power to be used by other electronics either inside the glasses or in an external unit. The VESA Stereo connector has been extensively used in 3D accelerators as well as 3D DLP TVs.

Technical Details

The stereo-sync signal changes when the system is changing between showing images for the right eye and left eye. The signal is a

TTL TTL may refer to: Photography * Through-the-lens metering, a camera feature * Zenit TTL, an SLR film camera named for its TTL metering capability Technology * Time to live, a computer data lifespan-limiting mechanism * Transistor–transistor lo ...

signal where the "high" state indicates the left eye should be exposed. No special software is necessarily needed to create the stereo-sync signal as it can be created from the

Vertical synchronization Analog television is the original television technology that uses analog signals to transmit video and audio. In an analog television broadcast, the brightness, colors and sound are represented by amplitude, phase and frequency of an analog s ...

signal being fed to the monitor (if it is using RGB component video).

References

External links

VESA homepage
{{DEFAULTSORT:VESA Stereo Digital display connectors VESA Stereoscopy 3D imaging