Chad Pearson
Forum Replies Created
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Some of it depends on what service you are using to stream. Livestream.com for example supplies their own software to use with a video capture card. Others will work using the free Adobe Flash Media Live Encoder.
In both of those cases you will need to get a video capture card because the built-in USB 3 port requires using a very specific chipset on your computer which is hard to get ahold of these days.
If you have a thunderbolt equipped computer you can get an UltraStudio Mini Recorder for ~$145, or if you want to go completely computer-free you could get a box like the Teradek VidiU or the Matrox Monarch HD.
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I’m sure that monitor will work just fine for “moving image work” when you plug it directly into your computer as a second monitor, not through a video capture card. Computers create graphics using an RGB color space, Televisions and video signals use a YUV color space, that is why you see a pink image. Unless the monitor has a setting to switch to a YUV color space it will not work with any video/television signal.
Note that my “cheap” Dell monitor does have such a setting, so you may want to ask the manufacturer.
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For all intents and purposes HDMI and DVI-D are the same thing. Data wise they are bit for bit compatible and both will pass RGB and YUV signals (DVI can even pass audio). The problem is you need to set your laptop to the correct display resolution. Specifically it needs to match EXACTLY the format that your switcher / mixer is running at (for example 1920×1080 29hz interlaced for 1080i59.94).
Note that not all laptops graphics cards are capable of outputing the correct resolution. You may need to go to the advanced settings panel to get to the correct settings, and/or if you are on a mac you need to download additional software (like SwitchResX) to get to the correct setting since Apple removed some of the controls from the control panel.
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The ATEM is a network device just like any other. If you give it an IP address that’s on your local subnet (it must be set manually and is always static no DHCP), then you can connect it and your laptop (and anything else) into your internet router/switch at the same time and have everything talking together.
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No “bridge” software is necessary. You must tell wirecast to expect a 1080i signal instead of SD. Also check your Blackmagic control panel to make sure downconvert is not turned on.
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The ATEM 1 doesn’t do H264, only the ATEM TVS does. The ATEM 1 and 2 use USB3 to pass uncompressed video. Though this is generally beneficial since most streaming software wants to re-encode the signal to a lower bitrate anyway. Make sure your streaming software is set to the exact format / resolution as your ATEM is putting out. If they don’t match you will see a black screen.
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It depends on what service and method you are using to stream. If you are just dubbing voice, some services will let you embed the other languages as “secondary” audio channels (most video signals support up to 8 or 16 channels). Otherwise if they don’t support secondary audio channels you will have to have a separate computer and stream for each language. If you are also doing separate graphics (lower thirds / text) you will need another separate computer for each language graphics output.
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From reading the Softron knowledgebase it looks like yes. Their playout software supports using a Ultrastudio Mini-Monitor as an output device.
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The mini monitor is not a graphics card, and will not allow you to mirror your display out of it. It is meant for editing software (Final Cut) or special playback software (like ProPresenter, or PlaybackPro) used in video productions and TV studios.
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In the I/O button on the 4th tab is the Digital Delay settings. Set it to msec (miliseconds) and adjust it as desired. The amount of delay depends on how many frames and the frame rate your video is delayed.
For example 1080i59.94 has 29.97 frames per second (because its interlaced) so 1000 miliseconds (one second) divided by 29.97 frames per second is approximately 33.36 miliseconds per frame. So if your video is delayed by one frame your audio needs to be delayed 33.36 miliseconds.