“Glyph Technologies used Linux and key open source audio
software packages to build a personal monitoring system aimed at
letting musicians create their own monitor mixes from local and
networked audio sources. The GPM-216 runs a real-time Slackware
implementation, and uses Jack, Alsa, and LADSPA software.“Glyph is best-known for data storage products aimed at the
digital audio recording and post-production industries. However, it
formed a ‘Music Gear, Inc.’ (MGI) sister company in 2005, in order
to branch out into the music recording and production markets, it
says. The GPM-216 is the first product produced by Glyph’s MGI
sister company…”