Webm(3.14 Mb) | 128kbps

(Pi) . In the context of file sharing, this specific combination of metadata typically refers to:

: WebM, a royalty-free media file format often used for high-quality audio and video with small file sizes. 128kbps webm(3.14 MB)

The "3.14 MB" size is often a deliberate reference to the mathematical constant 128kbps webm(3.14 MB)