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Category: References

  • Video format cheat sheet: resolutions, frame rates, codecs

    Every format question answered in one place. No explanations, no history — just the numbers. Bookmark this, print it, pin it above your desk.

    Common output resolutions

    Name Pixels Ratio Typical use
    HD / 1080p1920 × 108016:9Club, small stage, broadcast
    2K DCI2048 × 1080~17:9Cinema, film output
    WQHD2560 × 144016:9High-res preview monitors
    UHD 4K3840 × 216016:9LED walls, arena, stadium
    4K DCI4096 × 2160~17:9High-end broadcast, Disguise
    CustomvariesvariesMapped surfaces, wraps, floors

    Frame rates — which and when

    FPS Region Notes
    25 / 50Europe, UK, AUMatches 50Hz mains — no flicker with practicals
    30 / 60US, JP, KRMatches 60Hz mains
    24Film / CinemaAvoid for live — motion judder on most displays
    48High-frame filmRare — HFR cinema and some broadcast
    120High-speed LEDSpecific LED processors only — confirm spec first

    Codec quick reference

    Codec Decode Alpha File size Verdict
    HAPGPUMediumDefault for live
    HAP AlphaGPUMedium+Transparency layers
    HAP QGPULargeHigher quality, mapping
    NotchLCGPULargeBest quality, needs install
    Apple ProResCPU✓ (4444)Very largeEditing only
    H.264CPUSmallAvoid live
    H.265 / HEVCCPUSmallAvoid live

    HDMI vs DisplayPort vs SDI

    Interface Max distance Max res Notes
    HDMI 2.0~5m passive4K@60Consumer standard. Use active cables beyond 5m.
    HDMI 2.1~3m passive8K@60 / 4K@120High bandwidth. Short passive runs only.
    DisplayPort 1.4~3m passive8K@60Preferred for desktop/pro monitors. Latches lock.
    SDI (3G)100m+ coax1080p@60Touring standard. Robust. Requires capture card.
    12G-SDI100m+ coax4K@60Broadcast and high-end touring.

    Colour space cheat sheet

    Space White point Gamma Use case
    sRGBD652.2Web, general purpose
    Rec.709D652.4Broadcast HD — VJ default
    DCI-P3D632.6Cinema projectors
    Display P3D652.2Apple displays — wider than sRGB
    Rec.2020D65PQ / HLGHDR broadcast and future LED