
1) Open format
Found on
https://www.crosswordclues.com/clue/vorbis

Vorbis is a continuation of audio compression development started in 1993 by Chris Montgomery. Intensive development began following a September 1998 letter from the Fraunhofer Society announcing plans to charge licensing fees for the MP3 audio format. Vorbis project started as part of the Xiphophorus company`s Ogg project (also known as OggSquis....
Found on
http://en.wikipedia.org/wiki/Vorbis
No exact match found.