To prevent data loss during a crash, consider using Fragmented MP4 or Hybrid MP4 . These formats write the file in segments, ensuring the video is recoverable even if the recording is interrupted.
Audio is often more critical than video. Keep the microphone close to the source, eliminate background noise, and always monitor with headphones . b151.mp4
If your MP4 won't play, ensure your media player supports the specific codec. You can often fix "unrecognized format" errors by converting the file to a standard MPEG-4 format using tools like CloudConvert . To prevent data loss during a crash, consider