HD224 Standard I/O Player 4Kp60 UHD 2160p60 BrightSign

HDx24

4K Video

Video Codec: H.264, H.265, or VP9
Resolution: The maximum supported resolution is 4096x2160x60p.
Color Depth: 4K video can be encoded at 4:2:0 subsampling with 8 bits (Main Profile) or 10 bits (Main 10 Profile) of depth.
HDR and Dolby Vision: XTx44 players support both HDR10 and Dolby Vision.
Display Hardware: The maximum supported framerate and color depth are also affected by your display hardware. See this section of the 4K Video Encoding tech note for more details. 
Note: BrightSign players support both H.265 version 1 profiles: Main and Main 10. However, we do not support the recently ratified version 2 profiles.

Container Format: The following container formats are supported: .ts, .mov, .mp4, .mkv, .webm.
Note: XTx44/XDx34 models currently support .webm video with the Opus audio codec (not Vorbis), while HDx24 models support .webm with the Vorbis audio codec (not Opus).

Bitrate: The XTx44 and XDx34 models support a constant bit rate (CBR) of 95 Mbps. This value applies to both the primary and secondary video decoders. HDx24 models support a CBR of 50Mbps*.

Merge Mode: If you are using B-frames as references in H.265 “merge mode”, the size of the references list should be limited to two or less.
Audio Support: AAC audio (CBR/VBR) up to 288Kbps
Fast Start: Enabling fast start (-movflags +faststart) is recommended, especially for videos used in synchronized playback and BrightWall, as well as videos of large filesize and/or duration

Note: 4K video must be played from a Class 10 SD card.

HD Video

Supported Codecs: H.265, H.264, VP9, MPEG-2
Resolution: The maximum supported resolution is 1920×1080. Note that some supported VESA video modes have limitations, as outlined in this FAQ. 
Supported Extensions/Containers: .ts, .mpg, .vob, .mov, .mp4, .m2ts
Note: .mov files with compressed «atoms» (i.e. metadata) are not currently supported. 

Additionally Supported Extensions: Players also support .webm video with Vorbis audio (the Opus audio codec is not supported).
Specs for H.265 Extensions/Containers: Support for Main and Main 10 profiles up to level 5.1
Specs for H.264 Extensions/Containers: Support for Main and High profiles up to level 4.2
Maximum Recommended Video Bit Rate: 25Mbps
Audio Support: AAC audio (CBR/VBR) up to 288Kbps
Fast Start: Enabling fast start (-movflags +faststart) is recommended, especially for videos used in synchronized playback and BrightWall, as well as videos of large filesize and/or duration