EDIT: This summer (2016) we will try something new and better. Instead of a dedicated computer with MXLight (which is very unintuitive to use), we will buy a VidiU H.264 encoder box: teradek.com/pag.... Split the HDMI output of the ATEM with an active HDMI splitter box. One of the outputs goes to the VidiU for streaming and one goes to a computer monitor with speakers or a TV screen. No need for an extra computer, and the one computer you need doesn't have to be a wild animal.
For the recording: Instead of using an Intensity Shuttle which only allows you to record in almost uncompressed quality, which again demands a fast hard drive, I recommend using the USB output from the ATEM, and hook that to your computer. Use the built in recorder in the ATEM remote control software to record in about 20-50Mbit/s H.264 file. This is far easier to handle for your hard drive, and good enough quality to edit/upload to KZitem.
- SDI from each camera (via HDMI to SDI converter) to the switcher
- Audio from the PA mixer to XLR input of one of the cameras. Switch these inputs to Line (not microphone) and turn off auto level.
- Use the internal microphone of one of the other cameras. Turn off auto level.
- Remote control the switcher via network cable to a computer
- Multiview HDMI output to a TV screen (no sound)
- Program HDMI output to a second TV screen (with sound)
-- Or Program HDMI output to an Intensity Shuttle box, so you can record with a computer.
- USB 2 out of the switcher to a computer (Windows) for streaming
- Producer's microphone connected to a wireless or a wired system (via a microphone amplifier if needed)
- If wired system: Tape/twist ordinary audio cables with minijack male in one end and minijack female in the other end together with the video cables.
- Program SDI out to a secondary room (children's room?)
Addition: You probably have a computer connected to a projector showing videos, lyrics and powerpoints. I mention in one of the videos that you can connect it to your switcher but not how.
Be sure that the computer screen is set to the same format as the cameras (like 1280x720 50Hz). If you can't do this, you have to use a scaler. A cheap little box with VGA/HDMI/DVI in and HDMI out and it will transform any resolution and frame rate to whatever you need.
But there's another issue: There are two color systems: RGB (three signals with red, green and blue), which the computer world use, and YCbCr (also written as YUV) (three signals with luminans and two chrominans signals), which the video world use. The ATEM switcher demands YUV and if it receives RGB instead the colors are totally messed up (although you get a viewable video signal). If you connect a modern computer to the switcher and nothing else, the computer normally switches to YUV and everything is OK, but if you have to split the signal, one to a projector and one to the switcher, the projector might demand RGB. I haven't found any places where you can choose between RGB and YUV, neither in any projectors, computers nor scaler boxes (within reasonable price). At the summer camp 2013 we had to live with wrong colors, but now Blackmagic has released a firmware update to their HDMI-SDI converters that converts from RGB to YUV if necessary. So this year (2014) we had correct colors.
Conclusion:
- HDMI directly out from a computer to the switcher and not any projectors: Works great as long as you set the computer to the same resolution and frame rate as your cameras.
- But you probably have VGA. I used this setup this summer: Computer VGA output to a VGA splitter. One output to the projector and one to a VGA-HDMI scaler box. This box both converts from analogue VGA to digital HDMI and scale whatever input to 720p50 (or whatever you set it to). From this box to a HDMI-SDI converter box (from Blackmagic with new firmware). Then a long coax-cable to the producer room. But since all my SDI inputs on the switcher were occupied with cameras I had to use an SDI to HDMI-converter box in the end. Many boxes, but the computer signal was crisp and nice.
Негізгі бет 15 Connecting it all together
No video
Пікірлер: 28