Honestly, video and audio capturing is very iffy in Linux. Yet, there is still a movement to get the video production world moved over to Linux one convert at a time.
What is Linux?
Linux is a computer operating system which can run on many different types of computer hardware. Linux is the most famous example of open source software. It is developed and maintained by thousands of people around the world. Most linux distributions are free. Please take a look at the Wikipedia entry for more info here. [Read more]