Recording a tablet or phone screen displaying a live video feed
Recording a tablet or phone screen that’s displaying a live camera feed — a drone’s FPV view, a security camera feed, a live broadcast — layers capture and compression in a way that produces quality degradation faster than most other screen recording scenarios.
The double-compression problem is severe with video sources
Still application interfaces don’t compress poorly through a second encode pass — there’s relatively little motion and the content is text and flat color. A live video feed being re-encoded into a screen recording creates double compression: the original feed is already compressed, and your screen recorder applies compression again. The motion and detail of a live video feed are exactly what compression artifacts affect most — the result is often a visibly worse recording than either the original source or a static screen recording would produce independently.
Recording at source is almost always better
For a drone FPV feed, recording directly on the drone’s SD card or flight controller produces the original captured video without the tablet-screen layer. For a security camera feed, recording directly from the NVR or camera storage captures the source rather than the display. The cloud vs. local principle applied here: capturing at source rather than at the display end produces better quality and is usually simpler.
When source recording isn’t available
For scenarios where you genuinely can’t capture at source — a live broadcast playing on a tablet, a camera feed with no SD card or recording capability — recording the screen is the only option. In this case, recording at the highest quality your recorder supports and the highest frame rate the content warrants minimizes but doesn’t eliminate the double-compression issue, as covered in our resolution guide.
The moire pattern issue with device screens specifically
Recording a tablet screen under anything less than perfect lighting conditions can introduce moire patterns — visual interference between the device’s pixel grid and the camera or screen capture grid — that add another visual artifact layer to what’s already a compressed source. Screen-to-screen recording (using the built-in screen recorder on the tablet rather than an external camera) avoids moire entirely by capturing the digital signal directly.
Frequently asked questions
Why does my recording of a live video feed on my tablet look worse than the original?
Recording a compressed video feed creates a second compression pass — the motion and detail that make live video compelling are exactly what compression artifacts degrade most. Recording at the source rather than through the display avoids this.
Is there a way to improve the quality when I have to record a screen showing live video?
Record at the highest quality and frame rate settings your recorder supports, use the device’s built-in screen recorder rather than an external camera to avoid moire, and accept that some quality loss is inherent to the double-compression.
Related reading: Cloud-based vs. local recording tools · What resolution should you actually record at · Screen recording quality myths that aren’t actually true