Audio & Meta
It's important to select the correct audio device for LiveStream, and you do so here. Get this wrong and you won't get any audio output. If you're not sure which audio device you should be choosing then you can either experiment or go into your systems Audio Control Panel. If you're using ASIO then you will no doubt have a fair idea of what you're doing, so you shouldn't have too much trouble getting this setup.
There are two Capture options: Input and Output. If you are using LiveStream to capture a live input device like a microphone or something on the line-in then this would be the option you would choose. You then get the Available Devices for that option. If you are wanting to capture the output from some software running on the same machine then you would choose Output. Again the Available Devices would be changed to reflect this choice.
The Audio Interface is so you can choose from either Direct Sound, WASAPI or ASIO. Which you use is up to you. Again, Available Devices would be altered, reflecting the choice.
Any changes so the audio settings would mean any running encoders would be restarted when you click 'Save'.
Meta data is more commonly known as billboard data or Now Playing information. This is a small packet of information which is sent out of your encoders to the servers in question. It is then available for your online web player to display.
There are two ways in that LiveStream allows you to update this information.
1. Get Meta Data from a file
This is the more common way that meta data is captured and sent. Choosing this option tells LiveStream to keep checking the specified file for changes. When the file is updated then abstract the data from it and send it. The format for this file should be Artist on the first line and Title on the second line. If your file is only one line formatted exactly as it will be seen in Now Playing information, then tick the 'Only use the first line of the Meta / Billboard file' box.
2. Get Meta Data from a local port on this machine
This way isn't usually used, but is very useful should you need to capture a URL on the local machine. What doe this mean? Well, if you enable this option then LiveStream starts up a web server on the machine that LiveStream is running on. You can then send URL information to this machine. So for example if LiveStream is running on a machine called STREAMING-PC then you will be able to type into any internet browser on the same network http://STREAMING-PC:8081/?title=This is the meta title&artist=This is the meta artist
LiveStream then captures that information and sends it out to your live encoders if they aren't prevented from doing so.