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  1. #1
    Player
    Maeka's Avatar
    Join Date
    Apr 2014
    Posts
    1,281
    Character
    Maeka Blazewing
    World
    Cactuar
    Main Class
    Gladiator Lv 90
    Odd, I was doing 5-6Mbit and Twitch didn't appear to drop any frames in that last video I did. Is twitch measuring 3.5Mbit or 3.5Mbyte? That, or maybe OBS knows that and knows not to go over 3.5 despite what it's claiming in its UI?

    But yeah, I checked OBS it's already set to NVENC and I had a feeling that downscaling/upscaling did in fact cost more resources to have to process that stuff.

    EDIT: Checked their Inspector tool and it said "Excellent" streaming quality and it said that my last stream was between 4,500 and 5,900 kbps. Willing to guess that the 3.5Mbit thing is outdated info. But thanks for confirming that up/downscaling does indeed require more work than just doing native resolution.
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    Last edited by Maeka; 06-29-2018 at 08:38 AM.

  2. #2
    Player
    KisaiTenshi's Avatar
    Join Date
    Sep 2013
    Location
    Gridania
    Posts
    2,775
    Character
    Kisa Kisa
    World
    Excalibur
    Main Class
    White Mage Lv 100
    Quote Originally Posted by Maeka View Post
    Odd, I was doing 5-6Mbit and Twitch didn't appear to drop any frames in that last video I did. Is twitch measuring 3.5Mbit or 3.5Mbyte? That, or maybe OBS knows that and knows not to go over 3.5 despite what it's claiming in its UI?

    But yeah, I checked OBS it's already set to NVENC and I had a feeling that downscaling/upscaling did in fact cost more resources to have to process that stuff.

    EDIT: Checked their Inspector tool and it said "Excellent" streaming quality and it said that my last stream was between 4,500 and 5,900 kbps. Willing to guess that the 3.5Mbit thing is outdated info. But thanks for confirming that up/downscaling does indeed require more work than just doing native resolution.
    3.5Mbit might be stale.

    https://help.twitch.tv/customer/portal/articles/1253460
    Encoding Profile: Main (preferred) or Baseline
    Mode: Strict CBR
    Keyframe Interval: 2 seconds
    Framerates: 25/30 or 50/60 frames per second
    Recommended bitrate range - 3-6 megabits per second
    The vital part there is CBR. Onboard encoders tend to do CBR better than VBR, but will default to VBR with the assumption you're transcoding video on disk.

    https://drive.google.com/open?id=1Cl...-QzCupcvmdz88R
    Enable Advanced Encoder Settings : when checked, new
    options for Encoder available:
    ◦ Enforce streaming service bitrate limits : if checked,
    default maximum bitrate for selected streaming service
    should be applied instead of value specified on this tab.
    Some blogs on this say that Twitch will shutdown streams that are at 6Mbits.

    So I don't know, I guess it depends if you have a partner/paid account.
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