Explain Dashcam Resolution

Multi-camera dashcams work by capturing footage from several angles at the same time, such as the front, rear, and inside the cabin. Because the dashcam’s processor and memory must handle multiple video streams simultaneously, the system often reduces the resolution, bitrate, or frame rate for each camera to maintain stable and reliable recording. For example, a single-channel setup can usually record at the highest quality, like 4K at 30 FPS or 2K at 60 FPS.

When a rear camera is added, the front camera may step down slightly in resolution or frame rate, while the rear typically records at 1080p. In a three-camera setup, the processor divides its resources across all channels, resulting in balanced but slightly lower settings for each stream. These adjustments are necessary because multi-channel recording increases heat, power usage, and file size, and the processor has a limit to how many pixels it can encode at once.

In summary, adding more cameras increases overall coverage and situational awareness, but each individual channel may record at a slightly reduced resolution to ensure the system stays reliable and doesn’t overload.