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  • Yi Discovery Action Camera.

    Click image for larger version  Name:	Yi_Discovery.jpg Views:	1 Size:	20.3 KB ID:	8268
    Allwinner V3 based Yi Discovery action camera by Yi Technology.

  • #2
    YI should use at the very least Novatek Nt96660 chips, but not Allwinner V3(s) or Sunplus SPC6xxx!

    Comment


    • nutsey
      nutsey commented
      Editing a comment
      Maybe they were waiting for V5, but Allwinner didn't manage to prepare it in time...

    • Leeon
      Leeon commented
      Editing a comment
      Nt96660 the price has no advantage

  • #3
    Yi Discovery camera body design will be different from what we see for 4K/4K+ and Yi Lite cams.
    Click image for larger version

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    • petesimon
      petesimon commented
      Editing a comment
      looks similar to the PRO4/PRO5, also Andoer AN100 cameras. [deleted]

      Last edited by petesimon; 03-10-2018, 05:43 PM.

    • nutsey
      nutsey commented
      Editing a comment
      4K mode is limited with 20 fps... I suppose it is done according to certain marketing needs as more expensive Yi Lite's harware can't do more...

  • #4
    Yi Discovery action cam video review

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  • #5
    Yi Discovery firmware backup (20180118): https://drive.google.com/file/d/1Gew...ew?usp=sharing

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    • #6
      Yi Discovery (1080p30):


      Original Xiaomi Yi / XiaoYi (1080p30):


      Comment


      • #7
        Yi Discovery compared side by side with popular Allwinner V3 + Sony IMX179 cams - F60R and Q3H.

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        • #8
          Horizontal FOV is ~115° for all video modes:
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          • #9
            Yi Discovery:


            GoPro HERO 2014:


            Original Z26 Xiaomi Yi:

            Comment


            • #10
              Hi, is your yi Discovery works with yi bluetooth remote? Is any chance to get higher bitrate on 1080p60?
              And did you seen any tutorials on how to take apart the camera? I will like to add external microphone but dont know how to take it apart.
              Last edited by DamianK; 04-14-2018, 09:28 PM.

              Comment


              • nutsey
                nutsey commented
                Editing a comment
                Hi,

                My cam does not work with Yi remote (1.3.13 fw).

                I'm working on my custom firmware for the Discovery camera with 3K30 mode insted of 4K20, decreased contrast and some more tweaks including higher bitrates.

                Seems like you need to remove the front panel first.

            • #11
              So it must be firmware fault because in camera menu there is remote icon. Can you please get higher bitrate in 1080p60 mode in your firmware? It will be nice as im only record in full hd at 60 fps.

              Comment


              • nutsey
                nutsey commented
                Editing a comment
                Sure. I also find current bitrate values of 29-30-31 for low-mid-high settings to be very imperfect. By the way, what bitrate values in your opinion would be the best?

            • #12
              I think 40-50mbps same as with yi 2k will improve video quality. I think the original firmware is full of bugs/faults. Video and audio is not synchronized as well.

              Comment


              • nutsey
                nutsey commented
                Editing a comment
                Maybe this is the reason why this cam is still not listed on the Yi Tech official site

            • #13
              Hope they fix it soon as i will like to use remote with yi cam.

              Comment


              • #14
                So why do most sites claim it uses an Ambarella A9SE100 SoC when it's really an Allwinner V3? Will future versions use that, and will those be capable of higher throughput?

                Comment


                • nutsey
                  nutsey commented
                  Editing a comment

              • #15
                Please i need modify Yi Discovery action camera firmware J22_1.3.31_20180118 to bitrate 10-30-35 mbps .
                Last edited by Pepik; 04-18-2018, 03:57 PM.

                Comment


                • Pepik
                  Pepik commented
                  Editing a comment
                  Any suggestion? Change bitrate is not a big firmware change. I could try it.

                • Pepik
                  Pepik commented
                  Editing a comment
                  Nothing?

                • nutsey
                  nutsey commented
                  Editing a comment
                  I don't think anything can be done without working recovery mode as it's always a method of trails and errors when we talk about such fw mods.

                  More info about that mode and how to boot to it: http://linux-sunxi.org/FEL
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