Device Specs
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Device Specs
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The X1 entertainment system is available on a wide variety of set top box devices, all powered by RDK firmware.
Learn more about RDK
Generally, app developers can expect a consistent set of capabilities across all devices in the X1 ecosystem, but older devices may exhibit slower performance and not have access to advanced media playback features such as 4K and Dolby Atmos. Here are the detailed specifications for the various set top boxes that are deployed to X1 customers.
Feature | Entry Level Devices | Mid-Range Devices | High-End Devices |
|---|---|---|---|
Available Memory | 190 MB | 190 MB | 190 MB |
Network Protocol | IPv6 | IPv6 | IPv6 |
Browser | Webkit (WPE) | Webkit (WPE) | Webkit (WPE) |
Video Decode | mp4, mp2ts, x- motion-jpeg, rtsp+h264, mp4v | mp4, mp2ts, x- motion-jpeg, rtsp+h264, mp4v | mp4, mp2ts, x- motion-jpeg, rtsp+h264, mp4v |
h.264 (AVC) | supported | supported | supported |
h.265 (HEVC) | not supported | not supported | partial support |
VP8 | supported | supported | supported |
VP9 | not supported | not supported | not supported |
Streaming Protocol | HLS, DASH | HLS, DASH | HLS, DASH |
Alpha Blending | supported | supported | supported |
4K/UHD Support | not supported | not supported | supported |
HDR Support | not supported | HDR10 | HDR10, Dolby Vision 8.1 |
Audio Formats | mpeg, eac3, mp3 | mpeg, eac3, mp3 | mpeg, eac3, mp3 |
Audio Decode | AC3, E-AC3, MPEG1, MP3, AAC, LPCM | AC3, E-AC3, MPEG1, MP3, AAC, LPCM | AC3, E-AC3, MPEG1, MP3, AAC, LPCM |
Dolby Decoder | MS11, MS12 - Config C | MS 12- Config C | MS11, MS12 - Config C |
Atmos Passthrough | supported | supported | supported |
Atmos Mixing | not supported | not supported | not supported |
Image Formats | jpeg, png | jpeg, png | jpeg, png |
Max Image Size | 2048x2048 | 4096x4096 | 4096x4096 |
Image Anti-aliasing | supported | not supported | supported |
HTML Support Specs
The best way to understand what HTML language features are supported on the various boxes is to look at the Webkit Feature Status page. Filter on supported/partially supported to see if your app's feature is supported.
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