Valve composer publicly mentions HLX, a codename rumored to be tied to Half-Life 3

Ars Technica reports that Valve composer Mike Morasky said HLX has its own version of HDR audio during a GameSoundCon panel. The name has appeared in Valve engine code and has been widely reported as the codename for its next Half-Life project. VideoCardz notes that Morasky did not explain what HLX is, confirm a connection to Half-Life, or provide release information.