This format was created for online broadcasting. Opus is an audio codec for compression used on the Internet in real-time mode. Employed by programs such as Skype and Mozilla. Mostly used in interactive applications. The advantages of Opus are high audio quality and good compression. It works only on devices powered by Windows. Opus files can be converted to similar extensions.

sln

SLN as a raw WAV format

This format was developed by Microsoft Visual Studio. SLN files contain information about the composition and status of a project. SLN is a file with text content. The full name of the format is “solution”. Files of the SLN format can be opened with the help of certain Microsoft programs. The SLN format is largely similar to VBG files.