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Operation
How to perform transitions, using keys and key modifiers, memories and custom controls, as well as Media-Store operation.
Audio Mixer
The audio mixer node in DashBoard provides a graphical interface to all the audio sources and mixer layers. An audio channel must be routed to the switcher to be controllable by the audio mixer interface. Audio sources can come from the embedded audio on an input BNC, through the 1RU Audio Breakout Unit, or from the Media-Store.
Noise Gate
To Configure a Noise Gate
Apply a noise gate to the audio level to prevent background noise.

Operation
How to perform transitions, using keys and key modifiers, memories and custom controls, as well as Media-Store operation.
- Audio and Video Processing
  Video and audio signals are processed and passed through the switcher in different ways, depending on how the switcher is being used or is set up. A better understanding of how the switcher is processing these signals help you to achieve the production you want.
- Video Sources
  The switcher has access to three basic types of video sources, external, internal, and follows.
- Video Layering
  How video is layered in the output of the switcher depends on how an ME is re-entered onto the other, and what keyers are on-air for the ME.
- Video Preview
  Video preview allows you to use an additional monitor to preview what the next shot is going to be.
- Matte Source
  Matte color backgrounds (BG) are color signals that can be applied to backgrounds and keys. Color selection is done either by picking a preset color, or by adjusted hue, saturation, and luminance to create a custom color.
- Copying
  You can copy the content of an ME or keyer to another ME or keyer.
- Transitions
  Transitions are used to change the background video and take keys on and off-air. A transition can include any combinations of background and keyers for an ME, MiniME™, or Canvas. The background and each keyer can be transitioned independently.
- Keying
  Keying is the term used to describe when you insert (or electronically cut) portions of one scene into another, or place titles over background images. Keys are made up of two basic components, an alpha, that cuts the hole in the background video, and a fill, that fills the hole with different video.
- Memory Functions
  A memory register is a snapshot of the current state of the switcher that can include one or multiple ME, MiniME™, Canvas, scenes, or chroma key outputs. Up to 100 memory registers per ME, MiniME™, Canvas, scene, or chroma key can be stored and recalled on the switcher. Each of these memory registers can store as little as the information of one ME, or as much as the current state of the entire switcher, including all ME, MiniME™, Canvas, scenes, chroma key outputs, Aux Buses, and DVE settings.
- Audio Mixer
  The audio mixer node in DashBoard provides a graphical interface to all the audio sources and mixer layers. An audio channel must be routed to the switcher to be controllable by the audio mixer interface. Audio sources can come from the embedded audio on an input BNC, through the 1RU Audio Breakout Unit, or from the Media-Store.
  - Sample Rate Conversion
  - Audio Mixer Interface
  - Audio Mixer Setup
  - Noise Gate
    - To Configure a Noise Gate
      Apply a noise gate to the audio level to prevent background noise.
  - Ducking and Talkback
  - Audio Equalization
  - Compressor / Limiter
- Switcher Sets
  The switcher stores configuration and operation data in a number of registers that contain the individual entries for items such as memories or personality settings. These registers can be stored as a single archive file, or as a register set that contains all the individual register of that type; all memories for example. These files are stored into Sets on USB drive. Different Sets can be created for different shows or applications, allowing you to quickly locate and recall the switcher configurations.
- Media-Store
  The MediaManager interface to the Media-Store allows you to load stills, animations, or audio files from the USB drive and make them available across all MEs. Up to 4 (2 in UHDTV1) independent channels of video with alpha for playout of stills and animations are available switcher-wide.
- Clip Player
  The clip player offers a single playout channel for clips in the ITU-T H.264 (MPEG-4 AVC) codec in specific HD formats that can be assigned as a source on any bus in the switcher. Basic transport controls can be performed manually from the Clip Player page, using custom controls, or through AMP commands.
- Custom Controls
  Once programmed, a custom control (CC) can be played back by pressing a button. The custom control can be as simple as triggering an output GPI pulse, or as complex as recalling a specific memory register on an ME, performing a switcher transition, and selecting a group of keys.
- Sequencer
  The Sequencer allows you to create a playlist of custom control events.
- UltraScene
  UltraScene provides a simplified interface for creating a show with multiple key layers and basic transitions.

To Configure a Noise Gate

Apply a noise gate to the audio level to prevent background noise.

Click Navigation Menu > Audio Mixer > Effects > Noise Gate.

Tip: To the left of the controls is a gain meter for to the current channel. You can use this to see how your adjustments are affecting the audio.
Click the audio source button at the bottom left of the page and select the audio channel that you want to apply a noise gate to.

Tip: Click Default and click All Channels to default the noise gate for all channels or Current Channel to default it for only the currently selected channel.

Tip: Click Back to Mix to return to the mixer page.
Click Bypass to turn bypass off and have the noise gate applied to the selected audio channel.

Tip: The NG Closed indicator warns you if noise gate is closed and the audio signal is being attenuated.

Set up the noise gate as required.


Parameter	Description
Threshold	Select the level (-dB) at which the noise gate opens.
Depth	Select the level that the audio signal must go below the threshold before the noise gate is triggered to close.
Reduction	Select the amount of attenuation/gain (dB) that you want to reduce the audio signal by when the noise gate is closed (below the threshold).
Attack	Select the amount of time (ms) you want to pass between when the noise gate is triggered to open (pass the threshold) and the attenuation being fully released.
Hold	Select the amount of time (s) between when the noise gate is triggered to close (level is below the Depth) and the Release is applied.
Release	Select the amount of time (ms) you want to pass after the Hold is applied and the gate is fully closed (full Reduction is applied).