Category: Main

The Main Blur Eliminator

Adding Variable Refresh Rate Support to HTML 5.2

Variable refresh rate technologies are getting standardized as VESA Adaptive-Sync, HDMI 2.1 VRR, FreeSync, in addition to G-SYNC. Microsoft’s Scorpio Project (the next XBox) is already planned to support variable refresh rate. Mark of Blur Busters is now an Invited Expert in the W3C Web Platform Working Group. We currently have github #375 on W3C’s HTML issue-tracking system… Read more »



Photo of an analog VSYNC signal

This is the vertical blanking interval. It allows displays to synchronize to the next refresh cycle. We used to see it on analog TVs in 1930s through 1980s when the picture rolled during lost sync. Known as vertical synchronization, aka VSYNC (it is also padded with Front Porch and Back Porch) This hidden sync signal still exists in digital signals, DVI, HDMI, DisplayPort, and is seen on PCs and Macs via Custom Resolution Utilities.

Games and graphics card often have a VSYNC ON or VSYNC OFF setting.  But have you ever wondered where VSYNC comes from?  It stands for Vertical Synchronization. From the video signal perspective, it is a signal to the display to begin a new refresh cycle. If you grew up in the days of old analog TVs… Read more »







Updated List of G-SYNC Monitors: April 2017 Edition

The Official Blur Busters List of G-SYNC Monitors has now been updated. There are now almost three dozen models of gaming displays with G-SYNC as of April 2017, with refresh rates 60Hz through 240Hz. Questions? Join the Blur Busters Forums.