Tutorial: How to Turn Your PC or Mac into a Portable Live Streaming Station for Under $1000

In this tutorial we’ll explore how you can affordablly produce live streams from multiple video and presentation sources using a new product bundle that combines Telestream Wirecast Studio and two Epiphan AVi.IO帧捕获器.

的 Wirecast / AV.io包 包括Wirecast 6.0, which is Telestream’s live streaming production software, and two Epiphan frame grabbers that install without drivers and can capture HDMI, DVI, and VGA input at up to 1920x1200 resolution at 60 fps via any USB 3.0接头(下面的图1).

图1. 无线广播AV.io包

快速打包, 很容易, and affordably converts any Windows or Mac notebook or desktop computer with USB 3.0 connectors into a 生活生产 station.

Telestream Wirecast

Let’s start with the software. As you probably know, Wirecast, which runs on Mac and Windows, 使捕获, 生活生产, and encoding of live streams for broadcast to multiple servers simultaneously (下面的图2).

图2. Telestream Wirecast. Click the image to see it at full size.

与Wirecast, you can stream multiple live cameras and other real-time inputs, like DVI or VGA input from another computer, while dynamically mixing in other disk-based media like movies, 图片, 和声音, and adding production features like transitions and titles.

在你的活动期间, you can stream live to any RTMP or Windows Media server--or both--with presets for many popular CDNs and live streaming services (下面的图3).

图3. Live streaming options in Wirecast

You can also record a copy of your event to disk for archival or further production.

Epiphan AV.io

Epiphan AV.IO帧捕获器(下面的图4) connect to your computer via USB. While the units are backwards-compatible with USB 2.0 ports, you’ll need USB 3.0 ports for maximum performance.

图4. Epiphan AV.io USB 3.0帧捕获器. Click the image to see it at full size.

AV.io is a USB Video class device, also called UVC. This means that it installs on Mac and Windows computers without drivers of any kind. Just plug the unit into your serial port and you should be ready to go; separate AC power is not required.

AV.io comes with cables and connectors that let you capture from three sources: HDMI, including audio; DVI; and VGA.

In operation, the AV.io units transfer uncompressed video to Wirecast at whatever resolution you configure.

In the configuration shown in 图5(下面)我有一个AV.io inputting the VGA output from a notebook, the other video from a camcorder.

图5. 这是AV.io inputs for this project. Click the image to see it at full size.