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Video Requirements

  • Source files must not contain bars and tone, test patterns, production slates, textless material, or any other non-program content.
  • All video assets uploaded to Amazon Video Direct must have a progressive scan type. If your video contains interlace, please choose the “deinterlace” function on your video editing/transcoding software when exporting your video.
  • The file header must accurately describe the display aspect ratio of the content. Anamorphic sources must include accurate 4:3 or 16:9 display aspect ratio flags.
Please see File Formats for more information on video file formats, bitrates, and codec extensions.

Bitrate

Bitrate (also known as data rate) controls the visual quality of the video and its file size. Bitrate for source files is commonly measured in Megabits per second (Mbps). If your video editing software gives you the option, choose a “variable” bitrate. Best practices for video and audio bitrates vary by video format and resolution. Please see the section on File Formats for suggested bitrates.

Resolutions

Common resolutions for SD video include:

  • 640x480 (4:3 aspect ratio)
  • 640x360 (16:9 aspect ratio)

Common resolutions for HD video include:

  • 1280x720 (16:9 aspect ratio)
  • 1920x1080 (16:9 aspect ratio)

Note: 4K/UHD video isn't currently supported.

Display aspect ratio

The display aspect ratio defines the proportional relationship between the video's width and height. We support the following display aspect ratios:

  • 4:3 (the format most widely used for SD video)
  • 1.66:1
  • 16:9 (the standard format for HD video)
  • 1.85:1 (the 35 mm film standard for U.S. and UK widescreen theatrical releases)
  • 2:1
  • 2.20:1 (the 70 mm film standard)
  • 2.35:1 (35 mm anamorphic standard prior to 1970)
  • 2.39:1 (35 mm anamorphic standard since 1970)
  • 2.40:1 (anamorphic standard for Blu-ray film releases at 1920×800 resolution)

Frame rates

Amazon Video Direct supports video sources with the following frame rates: 23.976, 24, 25, 29.97, 30, and 60 frames per second (FPS). There is no requirement to perform frame rate conversion on your content to meet specific regional broadcast standards (e.g. NTSC, PAL, SECAM). For best results, we recommend exporting your videos at the same frame rate at which the content was shot and edited.

If you don’t know what frame rate your content was shot in, select Current or Same as Source when exporting your video.If your footage exceeds 30 FPS, you should encode your video at half that frame rate. For example, if content was shot at 60 FPS, encode your final video at 30 FPS.

Important: Always choose "constant" frame rate instead of "variable" frame rate. Variable frame rate sources will be rejected.


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