Compress mp4 video11/21/2023 ![]() So the bitrate values you set depend on your video material – they're not generally applicable to all footage. ![]() Here's an example: Footage of a news announcer in front of a stationary background can be compressed without visible loss at a greater rate than a full-blown action scene where there's a lot of image movement within a short time. Image areas with high levels of movement are compressed with a higher bitrate than static areas with little movement. Modern video codecs such as H.265 and H.264 work using variable bitrate encoding, which analyzes the image in terms of adjustments to its contents, and compresses the image according to its content. Here, it comes down to the "average bit rate" and "maximum bit rate" in particular. If an MP4 file created using a camcorder contains more than 25 fps, it's best to lower the fps value to 25 in order to reduce MP4 file size.īasically, anyone who wants to make an MP4 file into a smaller size – for streaming it on a website, for example – should lower the resolution and frame rate of their source material to compress their MP4 video.Īdditionally, you can compress MP4 files by adjusting MP4 codec values, or more specifically video codec values, since video images are what takes up most of the space in an MP4 container. 25 frames per second is sufficient for most cases.
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