Phones Read this if you shoot in 4K on the Note 4

Discussion in 'Alternatives to iOS and iOS Devices' started by Menneisyys2, Nov 29, 2014.

  1. Menneisyys2 macrumors 603

    Joined:
    Jun 7, 2011
    #1
    Guys, I've done some serious camera testing.

    For 4K shooting, I really recommend the current 5.6.1 Snap Camera HDR test version avaialble as an APK at http://forum.xda-developers.com/showpost.php?p=57053096&postcount=2327

    Why? Because it uses far less
    - noise reduction AND
    - oversharpening
    in video mode too, not only in still shooting mode (for still shooting, I also highly recommend Snap Camera HDR. The stock Camera app produces some very ugly and substandard output because of the non-configurable, very strong noise reduction followed by excessive oversharpening). Let me present you some examples:

    This is a 1080p crop of an ISO 12233 for comparison so that you can directly compare the effective resolution of the 4K framegrabs to that of a 1080p recording. I've shot the 1080p video with the stock Camera app; hence the oversharpening halos in the contrasty areas:

    [​IMG]

    (Full framegrab: https://www.flickr.com/photos/33448355@N07/15882584786/in/set-72157649119437008 )


    This is a 4K crop of the same reschart shot with the stock Camera app. Pay particular attention to the oversharpening halos:

    [​IMG]

    (Full framegrab: https://www.flickr.com/photos/33448355@N07/15286128454/in/set-72157649119437008 )

    Finally, this is a 4K crop shot with Snap Camera HDR:

    [​IMG]

    (Full framegrab: https://www.flickr.com/photos/33448355@N07/15906408271/in/set-72157649119437008 )

    As you can see, the framegrab shows somewhat more color noise in the non-white areas and oversharpening halos aren't visible. This also shows how much better image quality decently written third-party camera apps can produce, compared to the stock Camera app.

    Some advice:
    - if you set your system screen lock time to a low value, then, recording will stop at 2:30
    - to record more, increase it to 10 minutes; then, you'll only need to interact with the phone every 7-10 minutes to keep recording active
    - you MUST apply the settings explained at http://forum.xda-developers.com/showpost.php?p=57099419&postcount=2336 for 4K recording to work (by default, it doesn't).
    - if you record 4K video at 48 Mbps (which is highly recommended to reduce compression artefacts), recording will stop at 11:50. If it auto-stops, then, the recorded video won't be listed by the stock Gallery app. The video file, however, will be valid and playable on the phone too, assuming you browse to it with ES File Explorer or any similar file handler app.
     

    Attached Files:

  2. Zwhaler, Nov 29, 2014
    Last edited: Nov 30, 2014

    Zwhaler macrumors 603

    Zwhaler

    Joined:
    Jun 10, 2006
  3. Menneisyys2 thread starter macrumors 603

    Joined:
    Jun 7, 2011
    #3
    It's just the live view that's laggy, the recorded footage is OK at least on my Snap 805 4.4.4 non-rooted ANK4 Note 4, recording into the built-in storage. (But you can also check this by simply playing back the video.)

    Are you recording onto a microSD card? Try recording into the built-in storage or trying a faster card.
     
  4. Sensamic macrumors 68030

    Joined:
    Mar 26, 2010
  5. Zwhaler macrumors 603

    Zwhaler

    Joined:
    Jun 10, 2006
    #5
    Sadly when I take video in landscape (saved to SD card) and portrait (internal storage), they turned out like this:
     

    Attached Files:

  6. Menneisyys2 thread starter macrumors 603

    Joined:
    Jun 7, 2011
    #6
    Excerpt from my original post:

    "you MUST apply the settings explained at http://forum.xda-developers.com/showpost.php?p=57099419&postcount=2336 for 4K recording to work (by default, it doesn't)."

    Did you apply all those settings?
     
  7. Zwhaler macrumors 603

    Zwhaler

    Joined:
    Jun 10, 2006
    #7
    No, I had video preview at 1920x1080 and all of the other settings were correct but it is working now! I reinstalled and it seems to be working
     
  8. Menneisyys2 thread starter macrumors 603

    Joined:
    Jun 7, 2011
    #8
    Great to hear! I'm absolutely sure you'll like the image quality of Snap, even in videos.
     
  9. vebruce123, Dec 1, 2014
    Last edited: Dec 1, 2014

    vebruce123 macrumors newbie

    Joined:
    Dec 1, 2014
    #9
    Awesome article

    But would you please compare the image quality using snap on note4 to which using movie pro 3k mode on iphone6,I saw a comparison video on utube,the IQ of iphone6 with movie pro 3k is amazing,detailed with less compression than the 4k IQ on note4, and recently filmic pro for iOS 8 is out which support 2k and ISO control.
    Here is the link. http://m.youtube.com/watch?v=Fi_3nly_JdI
     

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