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  • Activation and Downloads
  • Input Sources
    • How do I mute the audio on a camera source?

      There are two ways to mute the audio from a camera source:

      • Edit the shot containing the camera and select the Playback attributes tab, uncheck the audio (playback icon) under the audio meter.
      • Open the Audio Inspector (Pro only) and select the shot with the camera, then click the Mute button under the audio meter.

      Note: Both of these options control the same thing and will reflect the changes to each other.

    • Can I capture my screen or Powerpoint presentation to include with my live stream?

      Yes, using the included Desktop Presenter Plug-in you can capture what is happening on the computer screen of any Windows or Mac computer on your network. Select specific screen regions, applications, or monitors to capture in real time and include as part of your live stream or recording.

      To launch Desktop Presenter, click the Desktop Presenter button in your Main Wirecast document (the third button from the left, just above the Shot Bin). Select "Launch Desktop Presenter on this computer", it should automatically be added to your document as a new shot. The button will change to give options for controlling your Desktop Presenter; you can also change it from the main Desktop Presenter window.

      You can also capture other computer screens on your local network by installing and launching Desktop Presenter on those machines.

    • How do I get the best Chroma Key possible?

      First you need a Green Screen. There are many variations of this to select from. Wirecast Chroma Key also supports Blue Screen. To get the optimal Chroma Key you want to have the best lighting setup. Here is one way to light a Chroma Key scene:

      • The main light (place just to the side of the camera - brightest light). This is what you generally think of as "lighting".
      • The fill light - so talent has no dark areas/shadows (place on other side of camera - dimmer). This is what keeps your talent from having drop-out areas on them.
      • The back light - to light the edges of the talent (place behind talent). This is what cleanly separates the talent from the background.
    • Can I create my own title templates?

      Currently Wirecast does not support the creation of custom title templates. We recommend using your preferred graphic creation tool for making your titles, and then simply importing them as regular image files. Wirecast will automatically recognize and use any alpha channel in the image.

    • How do I add scoreboards?
      • From the Sources drop-down menu, select "New Scoreboard...", this will open the Source Settings window
      • Configure your Scoreboard for your broadcast (you can also right-click on your scoreboard in the selection window to rename it)
      • In your main Wirecast document, click the Add Live Source button and select your scoreboard.
      • Once added to your document, the scoreboard will always show up under the Live Sources tab.
    • Which drivers should I use for the Matrox VS4?

      Users should not install or use the DirectShow drivers for the Matrox VS4 if they are planning on using the card with Wirecast. The VS4 driver installs its own plug-in for Wirecast.

  • Broadcasting
    • Can I stream in HD?

      Yes you can stream HD with Wirecast; Wirecast does not put any limitations on your broadcast resolution. However, in most cases streaming in high definition is not advisable.

      In general, streaming HD video is very system intensive and may result in reduced quality and lower frame rate (especially for streams over 720p). Additionally, most users don't have the bandwidth to view high resolution streams – even streams at 720p can cause problems.

      So, although the upper recommended limit for web streaming is 720p, for optimal high quality streaming over the web we recommend streaming at 480p.

      More information about streaming can be found here on our blog in a post called "The Art Of Webcasting".

    • How much bandwidth do I need?

      Your upload speed must be faster than the data rate you choose to broadcast at. You can test at Your server needs to sustain your projected number of simultaneous viewers at your streamed bandwidth (viewers x data rate = total bandwidth needed at a given moment in time). Your viewers need to have a connection speed and computer capable of receiving and decoding the stream in real time. Use the above link to test speed.

    • How can I stop monitoring my own voice/microphone?

      Step 1: Turn on Master Audio from the layout menu

      Step 2: Click on the headphone button to disable the local monitor

    • What are the streaming options I have with Wirecast?
      • Multicast or Unicast

        You can select Multicast or Unicast from the Destination menu. Multicast lets you broadcast to multiple computers simultainiously. Unicast lets you broadcast to a specific computer.

        For more information, click here.

  • Hardware
    • What capture devices are integrated with Wirecast?

      For a current list of our supported capture devices, please click here.

    • Will Wirecast work with my HDV camera?

      HDV sources are supported in Wirecast 6 Pro*.

      To use HDV sources with Wirecast Studio 6, you'll need to buy the Firewire HDV Option.

      Note: You can evaluate HDV camera performance in Wirecast without purchasing the Firewire HDV Option, the output will be watermarked.

      HDV decoding and system resources
      HDV decoding requires significant system resources. As such we recommend that, on the Mac, you use at least a dual processor G5 system or dual core Intel CPU. On the Windows side, we recommend a modern graphics card and a dual processor (or core) system.

      If you find that HDV is consuming too many system resources, here are some ways to reduce the load:

      When working with HDV sources, you may find there is up to two seconds of delay from the video first being captured by the camera, to it showing up in Wirecast. This is a hardware limitation on some of the first generation HDV cameras and cannot be corrected by Wirecast. You can compensate for this by only trusting the video and audio you are seeing in Wirecast, and using the Wirecast Preview as the source for all your live cues.

      *Please note: JVC HDV is NOT supported in Wirecast.

    • What is the best way to bring an analog signal in?

      There is a large variety of hardware options to import an analogue signal into Wirecast. On the Windows side, if you wish to import a S-Video signal, you will be able to find a number of USB and PCI card solutions. If you are looking to go the USB route, we recommend choosing a USB-2 device (assuming your computer is also USB-2 capable) because of the improved bandwidth supported, yielding higher quality video. Analogue to DV FireWire converters are supported on both Mac OS X and Windows.

    • Are USB Webcams supported?

      Most USB webcams should work with Wirecast as long as they are supported by AVFoundation on Mac OS X and DirectShow on Windows. See our list of typical USB/Webcams.

      If you run into problems, please check that you have the most recent versions of the drivers installed on your system. Your webcam maker's website should have details.

      You will need to check that there is a "DirectShow" driver when using the camera on Windows, and a "VDIG" driver when using on Mac OS X. Very few webcam makers actually create a Mac OS X driver, so please check carefully before purchasing.

    • Can Wirecast work with my Network or IP camera?

      Wirecast Pro is also compatible with web/IP/security cameras and network devices via the ONVIF (Open Network Video Interface Forum) protocol.

      The Webstream plugin allow access to network and IP cameras through the camera's URI. For more information, click here.

  • Production
    • How does Wirecast use the H.264 Main Concept codec?

      Wirecast 4 changed its Flash H.264 encoding to use the Main Concept H.264 codec. This improves the quality, frame race consistency and data rate stability of Flash broadcasts. The H.264 Main Concept codec is currently not being used for QuickTime H.264 encoding.

      Wirecast 5 added the x264 encoder which gives better quality on the encode and is easier on the CPU. X264 is a software library that uses the H.264 MPEG-4 AVC Compression format. For more information, click here.

    • Can I script Wirecast to automate actions?

      Currently we support scripting on Mac OS X through AppleScript, and on Windows through the OLE (Object Linking and Embedding) layer. We include example scripts with Wirecast for Mac OS X, and an SDK for Windows containing examples written in Perl, Visual Basic and C#. We encourage you to experiment with our example code.

      For Windows Scripting Examples, please go to All Programs > Telestream > Wirecast > Scripting

      Click here for Apple Script examples

    • What PCIe slot should I install my capture card in?

      When using a capture card please make sure you are installing them in a PCIe slot with enough PCIe bandwidth. If you are using the Matrox VS4 card please make sure you install it in at least a PCIe x8 slot to ensure it will work properly.

    • I have an Nvidia graphics card and I have an issue with quality when using GPU/YUV Colorspace conversion. Why?

      NVIDIA cards may cause some visual distortion if YUV color space rendering is enabled in "Preferences." The problem is that there is a bug on Nvidia GPUs when enabling GPU YUV conversion. This bug only affects Windows. What this option does is offload YUV color space conversion onto the GPU. The bug causes some resizing artifacts in the output. Nvidia cards work fine otherwise.

  • Getting Started

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