
1) Video game music technology
Found on
https://www.crosswordclues.com/clue/hardsid

The HardSID is a family of sound cards, produced by a Hungarian company Hard Software and originally conceived by Teli Sándor. The HardSID cards are based on the MOS Technology SID (Sound Interface Device) chip which was popularised and immortalized by the Commodore 64 home computer. It was the third non-Commodore SID-based device to enter market...
Found on
http://en.wikipedia.org/wiki/HardSID
No exact match found.