What is a variable frame rate? How does variable frame rate work? If you have these similar questions, you can find answers here. This post will introduce variable frame rate in detail.
If you often deal with video recording and editing, you might have heard of variable frame rates. But, most of you may know little about this technical term. Given that, this post comes in handy. Here, we will show you the VFR's meaning, usage, advantages, disadvantages, and more. Now, let's come into the details.
Variable frame rate, also called VFR, is a type of frame rate that allows the frame rate to change dynamically throughout the video. It means that certain frames might be displayed for a longer or shorter duration, depending on the nature of the content. If a video is recorded in VFR mode, the camera will automatically adjust the frame rate according to what's going on in the scene.
For example, if you choose 60 FPS at the video settings but can only get 40 FPS while recording, you can still get a variable 40- FPS video if you set the variable frame rate in advance.
VFR provides more flexibility in capturing or encoding videos as it adapts to the motion or complexity of each individual scene.
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After having a general knowledge of the VFR, let's explore its advantages and disadvantages in detail so that you can make the right decision.
#1. Improved efficiency in video compression and storage
It allows for more efficient video compression by allocating higher frame rates to scenes with more motion or complexity, resulting in better video quality without significantly increasing file sizes.
#2. Enhance visual quality and smoothness
With the VFR's help, smoother playback can be ensured, as it will eliminate stuttering that can occur when playing back with a constant frame rate. Moreover, leveraging their capabilities to display higher frame rates will improve the viewing experience on high-refresh-rate displays, such as gaming monitors or certain smartphones.
Currently, there is a potential challenge about using the variable frame rate mode, and that is compatibility. Because some older video players or devices may not support VFR, leading to playback issues or incorrect rendering of the video. And some certain codecs or formats may have limited support for VFR.
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In recent years, the variable frame rate has been used in various industries. Below are some typical ones you can have a look:
#1. Streaming services video content
Online video services, like Netflix, Amazon Prime, etc., use the VFR to deliver high-quality videos to the viewers. It allows optimizing video playback based on the capabilities of devices and internet connection.
#2. Video gaming and screen recording
Another one is the video gaming industry. VFR enables gamers to record gameplay and share their experiences with optimal frame rates, ensuring that fast-paced action sequences are smooth and fluid.
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