UNE-EN 61606-4:2006 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics -- Part 4: Personal computer (IEC 61606-4:2005). (Endorsed by AENOR in April of 2007.)
2007UNE-EN 61606-4:2006 Audio and audiovisual equipment - Digital audio parts - Basic measurement methods of audio characteristics -- Part 4: Personal computer (IEC 61606-4:2005). (Endorsed by AENOR in April of 2007.)