Usually compressed with codecs like H.264 or AAC to maintain high quality at a small size.
Since this is an MP4 file , it uses a digital multimedia container format that typically includes: 71973-_1668738486.mp4
Use a tool like MediaInfo to see the technical specs (e.g., frame rate, resolution) which can help identify if it's a professional recording, a mobile clip, or a security feed. Usually compressed with codecs like H