Video file format and codec basics.
Because video files can be large, programs called codecs were developed to make them easier to store and share. Codecs encode data to compress it for storing and sharing. Then they decode that data to decompress it for viewing and editing. The most common codec for video compression is H.264 or AVC.
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Audio file formats or file extensions are the containers or wrappers for these codecs. As with lossy audio file formats, most video formats lose data in compression. Which format you choose depends on the balance you want to strike between quality and ease of use.
Understand the top video file extensions.
These are the most common digital video formats and their most frequent uses.
MP4
Adobe Premiere Pro Video Editor
MP4 (MPEG-4 Part 14) is the most common type of video file format. Apple's preferred format, MP4 can play on most other devices as well. It uses the MPEG-4 encoding algorithm to store video and audio files and text, but it offers lower definition than some others. MP4 works well for videos posted on YouTube, Facebook, Twitter, and Instagram.
Wd not working on mac. MOV
MOV (QuickTime Movie) stores high-quality video, audio, and effects, but these files tend to be quite large. Developed for QuickTime Player by Apple, MOV files use MPEG-4 encoding to play in QuickTime for Windows. MOV is supported by Facebook and YouTube, and it works well for TV viewing.
WMV
WMV (Windows Media Viewer) files offer good video quality and large file size like MOV. Microsoft developed WMV for Windows Media Player. YouTube supports WMV, and Apple users can view these videos, but they must download Windows Media Player for Apple. Keep in mind you can't select your own aspect ratio in WMV.
AVI
AVI (Audio Video Interleave) works with nearly every web browser on Windows, Mac, and Linux machines. Developed by Microsoft, AVI offers the highest quality but also large file sizes. It is supported by YouTube and works well for TV viewing.
AVCHD
Advanced Video Coding High Definition is specifically for high-definition video. Built for Panasonic and Sony digital camcorders, these files compress for easy storage without losing definition.
FLV, F4V, and SWF
Flash video formats FLV, F4V, and SWF (Shockwave Flash) are designed for Flash Player, but they're commonly used to stream video on YouTube. Flash is not supported by iOS devices.
MKV
Developed in Russia, Matroska Multimedia Container format is free and open source. It supports nearly every codec, but it is not itself supported by many programs. MKV is a smart choice if you expect your video to be viewed on a TV or computer using an open-source media player like VLC or Miro.
WEBM or HTML5
These formats are best for videos embedded on your personal or business website. They are small files, so they load quickly and stream easily.
MPEG-2 Wi fi crack v1 03.
If you want to burn your video to a DVD, MPEG-2 with an H.262 codec is the way to go.
Editing and exporting video files.
Whether you shoot your footage with a DSLR camera, CinemaDNG, or other HD video camera, you can work with your native camera format in Adobe Premiere Pro. With lightweight workflows and seamless integration with other Adobe apps, Premiere Pro allows you to create the video you want, even on mobile workstations. Once you've made your final cut, you can export to the latest broadcast formats.
Home button on mac laptop.
Before you can edit your GoPro footage, you need to go out there and capture something. (I've provided sample footage at the link above so you can start right away.) Pay attention to your camera's settings so you'll capture optimal footage for your situation.
The GoPro Hero 4 camera line captures everything from high-resolution 4K video (3840 x 2160 pixels) at a low frame rate of 15 frames per second (fps) to WVGA video (848 x 480 pixels) at a very high frame rate of 240 fps. The settings you choose will greatly impact your final video, so it's important to understand what you are choosing. (This tutorial uses footage from the GoPro Hero 3 camera line.) Rhinoceros 5 5 4 x 2.
Here are some things to consider:
- Look at the camera resolution. Standard 1080p HD video is 1920 x 1080 pixels. The 4K or 2.7K video settings are both higher resolutions than the 1080p setting, so you can safely crop or scale those videos down to 1080p without losing image quality. On the other hand, 720p or WVGA settings are smaller than standard 1080p HD video, so if you want to achieve 1080p, you need to scale your video upward, which may make your video appear not as sharp.
- Think about the video frame rate. It controls how many video frames are captured or played over time. The higher the frame rate, the smoother the video will appear during playback. The lower the frame rate, the choppier the video will appear — in such cases, it may appear to stutter.
Very high frame rates are great for slowing down a scene to achieve a slow-motion effect. Slowing down a high frame rate can produce very smooth and realistic output. Slowing down a low frame rate, however, causes even more stuttering and jerky movement, and generally doesn't lend itself to high-quality output. In my own work, I prefer to shoot at either 1080p at 60 fps, or 2.7K at 30 fps, depending on how much action there will be in the shot.
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Watch the following demos and try your hand at some of the techniques I describe by using the supplied sample footage.
