- on Audio/Video/Photography
- Published in issue 2/2010 on page 59
Computer digital audio interface
Computer motherboards and lots of other computer devices are fitted with digital audio inputs and outputs in S/PDIF format, but which only produce or accept a TTL-level signal. Despite their undoubted usefulness, opto-interfaces are usually lacking. The project described in this article is intended to make up for this shortcoming.