Recommended upload format

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    In short, we recommend uploading the best available quality.

    Format

    File container formats such AVI, MOV or MP4 are not too important if the encoding quality is sufficient. Select a container format which supports h.264 video, we recommend the MKV or MP4 container.

    Codecs

    If you have the option to select your video and audio codecs, we recommend selecting H.264 and AAC.

    Bitrate and resolution

    The general recommendation is to use as high a resolution as possible (but never higher than the quality of your source video). The bitrate should at least be high enough to provide good quality for the selected resolution which means that if you have a very high resolution video you need to be selecting a higher bitrate. The below table gives a bitrate recommendation for different resolutions (16:9 and 4:3 aspect ratios both listed). Note that the recommendations are based on using the H.264 video codec which is a high quality codec. If you use a lower quality codec you will probably have to use a higher bitrate to get good results.

    Quality Bitrate (kbit/sec) Resolution (16:9) Resolution (4:3)
    Low 1000 640x360 480x360
    Medium 1500 854x480 640x480
    High 2500 1280x720 960x720
    Full HD 5000 1920x1080 1440x1080
    QHD 10000 2560x1440 1920x1440
    4K 20000 4096x2160 2880x2160

    Very long videos

    If your videos are very long, using a high bitrate will produce very large files. The max file size of uploads is 40GB which still gets you over 9 hours of full HD video (using the recommendation chart above) but the file size can make it hard to manage. You may want to consider uploading with FTP if you are not doing that already.

    Prefer progressive over interlaced

    For new recordings published online, we suggest filming with cameras in progressive scan mode (not interlace) since interlace is designed for older TV sets. If your content is only available in interlaced form then that will work too. Screen9 automatically detects and corrects interlaced video but the quality may suffer slightly.

    Using Adobe Premiere?

    If you are creating your videos using Adobe Premiere, please read this post.

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