Amlogic S905X4 Android TV & RDK developer kit ships with ATSC, DVB, or ISDB tuners

SEI Robotics has launched an Amlogic S905X4 developer kit for Android TV & RDK development under their DroidLogic brand. The devkit looks like a standard TV box, and the company also provides a choice of tuners with DVB-S2, DVB-T2/C, DVB-S2+DVB-T2/C Combo, ISTB-T, or ATSC-T.

We were expecting Amlogic S905X4 TV boxes with products like Ugoos X4 or Mecool KM6 by the end of last month, but due to supply issues manufacturing has been delayed. So SEI Robotics could be a good device to get started with your own project as soon as possible, for example, to work on AV1 hardware decoding implementation.

Amlogic S905X4 developer kit

DroidLogic Amlogic S905X4 developer kit specifications:

  • SoC – Amlogic S905X4 quad-core Cortex-A55 processor with Arm Mali-G31MP2 GPU (Amlogic S905X3 as option)
  • System Memory – 2GB DDR4
  • Storage – 8GB eMMC flash
  • Video Output – HDMI 2.1 up to 4Kp60 with CEC, HDR, and HDCP 2.2 support; CVBS (composite video)
  • Video Decoding
    • AV1 MP-10 L5.1 up to 4Kx2K @ 60fps
    • VP9 Profile-2 up to 4Kx2K @ 60fps
    • H.265 HEVC MP-10 @ L5.1 up to 4Kx2K @ 60fps
    • AVS2-P2 Profile up to 4Kx2K @ 60fps
    • H.264 AVC HP @ L5.1 up to 4Kx2K @ 30fps
    • H.264 MVC up to 1080p60
    • MPEG-4 ASP @ L5 up to 1080p60 (ISO-14496)
    • WMV/VC-1 SP/MP/AP up to 1080p60
    • AVS-P16(AVS+) /AVS-P2 JiZhun Profile up to 1080p60
    • MPEG-2 MP/HL up to 1080p60 (ISO-13818)
    • MPEG-1 MP/HL up to 1080p60 (ISO-11172)
    • RealVideo 8/9/10 up to 1080p60
    • HDR – HDR10/10+, HLG, Dolby Vision, TCH PRIME
  • Tuner – 4x TS in, ISO7816 DVB-S2, DVB-T/T2/C, DVB-S2+DVB-T/T2C Combo, ISDB-T, ATSC-T
  • Audio – Stereo DACs, SPDIF-in & out, 8-ch PDM, 12+Ch I2S in, 12+Ch I2S out for far-field mics and a small speaker
  • Connectivity
    • 10/100M Ethernet
    • 802.11 b/g/n/a/ac 2.4G/5G 2T2R MIMO Wi-Fi 5
    • Bluetooth 5.0
  • USB – 1x USB port, 1x USB-C port, 1x Micro USB console port
  • DRM – Widevine, PlayReady
  • Misc – Power button, reset pinhole
  • Power Supply – 12V DC

Amlogic S905X4 devkit ports tuner

Amlogic S905X4 boardSEI Robotics does not provide software development kits, but the company told CNX Software the RDK SDK can be downloaded from the official website, while Android TV code can be obtained on Amlogic git if a TADA agreement (TV Application Distribution Agreement) has been signed with Google. AOSP is another option. For reference, SEI Robotics worked with Google on ADT-2 developer kit.

The company confirmed DroidLogic Amlogic S905X4 developer kit is available now and ready to ship. It’s clearly not a consumer product, as it sells for $199 whether you add a tuner or not.

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5 Replies to “Amlogic S905X4 Android TV & RDK developer kit ships with ATSC, DVB, or ISDB tuners”

  1. Amlogic TV boxes do not support SAT2IP and hardware deinterlacing with TV tuners which is a big issue for this kind of boxes, Huawei and realtek do a very good job with their SoC but unfortunately at a much higher price

    1. Under CoreElec the AMLogic boxes support hardware deinterlacing of DVB streams – whether from directly connected tuners, USB-tuners, SAT>IP tuners or streams from a separate PVR backend running on a separate device.

      I run a number of them with either local USB DVB-T/T2 tuners or network connections to DVB-S/S2/T/T2 tuners. I’ve also run them with IPTV multicast streams.

      The deinterlacing issue is an Android firmware issue I suspect – if you don’t need Android and are happy to run CoreElec – you get hardware deinterlace and a whole lot more. (Though I don’t know about support for the new X4 variants yet – the S905X3 and others are well supported)

  2. does anyone know when there will be more i was gonna buy one just to see its out of stock the x4 box version

    1. I doubt it will be in stock again, and now there are other options with commercial TV boxes such as MECOOL KT1 with S905X4 and a DVB tuner.

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