1) Sound production technology
Found on
https://www.crosswordclues.com/clue/realsound
RealSound is a patented (US US5054086 A) technology for the PC created by Steve Witzel of Access Software during the late 1980s. RealSound enables 6-bit digitized PCM-audio playback on the PC speaker by means of PWM drive, allowing software control of the loud speaker`s amplitude of displacement. The first video games to use it were World Class L....
Found on
http://en.wikipedia.org/wiki/RealSound
No exact match found.
