12.4 Channel - Format (v3.0)

Owned by Thomas Staiger
Last updated: May 06, 2021
3 min read

  • Scheduling: Defines the user interface which will be used for this Channel, which can either be just:live or just:play.

  • Output Format: This is the format (pixel size, frame rate and bit depth) which is used by the selected Channel.

  • Live Input & Fill+Key:  Allows you to define if the engine should be able to switch to a live source or if the output should include a key signal. The modes are explained below.

    • No in, video out

      • Ability to switch to a live source is disabled.

      • All available outputs show the video signal.

    • No in, video+key out

      • Ability to switch to a live source is disabled

      • The available SDI outputs show the video signal and at least one shows the key signal.

    • DSK in, video out (default black)

      • Enables the ability to switch to a live signal using the DSK of a supported AJA device (refer to chapter Live Signal Handling).

      • All available outputs show the video signal.

      • In case nothing is playing in the video track, the output shows black.

    • DSK in, video out (default pass-thru)

      • Enables the ability to switch to a live signal using the DSK of a supported AJA device (refer to chapter Live Signal Handling).

      • All available outputs show the video signal.

      • In case nothing is playing in the video track, the output shows the incoming live signal.

    • DSK in, video+key out (default black)

      • Enables the ability to switch to a live signal using the DSK of a supported AJA device (refer to chapter Live Signal Handling).

      • The available SDI outputs show the video signal and at least one shows the key signal.

      • In case nothing is playing in the video track, the output shows black.

    • DSK in, video+key out (default pass-thru)

      • Enables the ability to switch to a live signal using the DSK of a supported AJA device (refer to chapter Live Signal Handling).

      • The available SDI outputs show the video signal and at least one shows the key signal.

      • In case nothing is playing in the video track, the output shows the incoming live signal.

    • Buffered in, video out (default black)

    • Buffered in, video out (default pass-thru)

  • SD widescreen (16:9): Activate this checkbox for a standard definition Channel, to play out in widescreen.

  • Low latency playout: Enable this option for the lowest latency when pressing the Play (jump to next) button. Deactivate this option when using MXF files or Videos which are taking some time to decompress like XDCam or H.264.

  • Interlaced Aware Scaling: When activated, any Video which has to be scaled (SD ↔ (U)HD, aspect ratio conversion) will have additional interlaced-aware filtering applied to it in order to preserve the interlace fields and to improve the quality of the scaled Video.

  • Audio in multi-viewer: Defines the number of audio channels which are shown in the On Air window.

  • Port: Defines the Port which is used by the selected Channel. Keep in mind that a port can only be used once per machine.

  • Aspect Ratio Options: Define how differences of the aspect ratio should be handled by default. This preset can be overwritten for each Video in the Inspector of just:live/just:play. Refer to chapter Aspect Ratio Control.

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