You can use winsock kernel (WSK), for Vista and later drivers. It is possible to directly incorporate this in your audio driver. Harry ________________________________ From: wdmaudiodev-bounce@xxxxxxxxxxxxx [mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Karthik Gurumurthy Sent: Monday, June 29, 2009 10:17 PM To: wdmaudiodev@xxxxxxxxxxxxx Subject: [wdmaudiodev] sending audio over a network HI all, Can any one shed some light on how can i send audio from my driver over an network? It has to be on kernel mode itself. Can use Winsock? (To use this does it require to write one more driver or can i incorporate this in my Audio driver only?) Karthik