Many dashcams save the front camera recording as CH1.mp4 and the rear as CH2.mp4 . 2. Educational & Lecture Series
omarscu - Power System Protection (MCH 416) - 2018-2019 - Google ch1.mp4
Systems like the Meitrack MDVR export files as CH1.mp4 , usually representing the main or front-facing camera. Many dashcams save the front camera recording as CH1
Knowing the platform (e.g., a forum, a cloud drive, or a security app) will help identify exactly what the file contains. a cloud drive
In surveillance or dashcam systems, "ch1.mp4" typically refers to the video feed.
In technical communities, "ch1.mp4" is used as a placeholder in code or scripts.