Ch1.mp4 -

Many dashcams save the front camera recording as CH1.mp4 and the rear as CH2.mp4 . 2. Educational & Lecture Series

In surveillance or dashcam systems, "ch1.mp4" typically refers to the video feed. ch1.mp4

Used in Stack Overflow or GitHub examples to demonstrate how to batch-process or play multiple video segments in a loop. Many dashcams save the front camera recording as CH1