: VP9 (supported by libvpx) offers high-quality video at much lower bitrates than older codecs.

: It is a free, royalty-free video codec library developed by Google.

Since specific codec strings like libvpx are often found in downloads from unofficial sources, here is a quick safety reminder:

You included the term in your request. This is a technical term often found in filenames or encoding logs. Here is what it means if you are trying to play the file:

If you’d like, I can:

If you see the term "libvpx" attached to a video file for this episode, it refers to the used to encode the file. What is libvpx?