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Sat, 22 Sep 2018 15:25:43 +0000

Video recording, storage, and playback details for the Amazon Fire TV Recast

There are a lot of details we still don’t know about the Fire TV Recast, Amazon’s newly announced over-the-air DVR for Fire TVs that also works with the Echo Show and mobile devices. There are some things that we probably won’t learn until the device ships, but through reading Amazon’s lengthy FAQs page and asking Amazon directly, here are details about the codecs and specs of how the Fire TV Recast records video, stores it, and how it’s played back.

The Fire TV Recast stores all content to its internal hard drive as unprotected raw MPEG-2 video files in their native resolution. This is important because it means that the full 1920×1080 resolution of channels that broadcast in 1080i is maintained for all recordings. Remember, no US channels broadcast in 1080p. They all broadcast in either 1080i or 720p.

When watching content from the Fire TV Recast, whether it’s live or recorded, and regardless of whether you’re watching through a Fire TV, Echo Show, or mobile device, the raw MPEG-2 video files are transcoded to H.264 with a maximum resolution of 1440×720 at 60 frames per second. This is done to ensure compatibility with a wide range of devices, including older Fire TVs that cannot de-interlace 1080i video.

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