The 25' C-MDMA/MGMA 15-pin HD to DVI & 3.5mm Stereo Audio Cable from Kramer is designed to connect laptop computers to video conference systems that have a DVI input. It adapts the analog pins of DVI-A to 15-pin HD connector and includes an unbalanced audio cable with 3.5mm mini jacks at each end. Also bundled is a short cable that adapts a 3.5mm mini jack to RCA connectors.
Note, this adapter does not convert analog to digital or digital to analog. Always verify compatibility details for the source/destination in your application