![]() That's a much higher rate than you actually need. However, many modern recording devices produce video files at a much higher frame rate, such as 60 frames per second (fps). In Europe, 25 frames per second are standard ("PAL"). The frame rate defines the number of images displayed per second. This combination of file format and codecs ensures high video quality and a small file size, and it is currently supported by almost all hardware and software players.Ī video works just like a flipbook, by displaying many still images one after the other extremely quickly to create the impression of fluid movement. Which file format should you choose? If you want to be able to play a compressed video file on many different devices, we recommend MP4 files with H.265 or H.264 for the video data and AAC or MP3 for the audio. This means that with container formats like MP4 or AVI, you don't know exactly what data is included. For example, an MP4 file can contain video data with the codecs H.265, H.264 or even MPEG-2 and even MPEG-1, as well as image data with the codecs JPG and PNG and audio with the codecs MPEG-4 Part 3, AAC, MP3, MP2 and MP1. Many of these file formats are known as containers, because they contain data that can be packaged in various ways. This reason for this is that while there are thousands of file formats, there are only a few compression methods. Since most file formats use the same compression methods, however, there aren't a ton of technical differences. Every software or hardware manufacturer develops their own file format – that's why there are so many different video formats and file extensions available. The following guide will assist you in compressing your video clips to an appropriate size.Anyone who edits videos using a computer has to work with different video formats – from older formats such as AVI and MPG or newer MP4 files to WMV, AVI, MOV, FLV, MKV and a thousand other file extensions. Trim a Movie or Clip in QuickTime Player on Mac The following page from the Apple support site will assist you in trimming your video clips. IMovie is preinstalled on Mac computers and should provide all of the functionality that you need to trim the video clips you want to use for edTPA and to compress the files to an appropriate size. Preparing Video Clips in Windows 10 Using iMovie on a Mac The following document includes step-by-step instructions for trimming and compressing video files. It should provide all of the functionality that you need to trim the video clips you want to use for edTPA and to compress the files to an appropriate size. If you don’t want to use HandBrake, you can use the Photos app in Windows 10. This can take a while, especially if you are working with a large file! Make sure to leave enough time for this process. Choose a destination for your file and start encoding.Use the Preset menu to adjust the quality.The Handbrake site also provides step-by-step instructions for compressing files. Note: Make a copy of your file before compressing it. ![]() Handbrake Downloads (Mac, Windows, or Linux) This is a helpful tool to download if the above options have not worked for you, if you need to change the file type, or if your file is still too large to upload to Tk20. You can use Handbrake, a free, open-source software, to compress video files on several different platforms.
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