Variable Refresh Rate (VRR) is for adjusting a display's refresh rate to match the video source's frame rate, primarily to eliminate visual issues like stuttering and tearing and ensure a smooth image.
Understanding the Purpose of VRR
Based on the provided information, Variable Refresh Rate (VRR) is a technology designed to improve the visual experience when displaying video content, especially content like games where the frame rate can change frequently.
Here's a breakdown of what VRR is for:
- Synchronizing Display and Source: VRR serves as an "image transmission scheme" that allows the device (like a monitor or TV) to dynamically change its refresh rate (how many times the screen updates per second) to match the frame rate (how many images the source is producing per second) of the content being displayed.
- Eliminating Visual Artifacts: The primary goal of this synchronization is to prevent visual problems that occur when the display's refresh rate is out of sync with the source's frame rate. These issues include:
- Stuttering: A jerky or halting motion that happens when the display waits too long for a new frame or displays the same frame multiple times.
- Tearing: An effect where the image appears to be split horizontally, with different parts of the screen showing information from different frames simultaneously.
- Enabling Smooth Display: By eliminating stuttering and tearing, VRR ensures a much smoother and more fluid display of the source content. This is particularly beneficial for fast-paced video, such as gameplay.
In essence, VRR is a dynamic solution to a long-standing problem where fixed display refresh rates struggled to keep up with variable source frame rates, resulting in a less-than-ideal viewing experience. VRR makes the display "flexible" to match the source.
