Vinayak Srivastava wrote: > > I need to develop a virtual audio driver in windows (vista and above) > which should provide me with FxProperties page under the registry > entries for this virtual driver. > I tried with MSVAD (Microsoft Virtual Audio driver as > mentioned > http://code.msdn.microsoft.com/windowshardware/virtual-audio-device-3d4e6150#content) > but I'm facing two issues with this: > > 1. Even though I set it as default audio driver in sounds but I cannot > hear any output sound. I can see the sound waves being displayed in > the playback tab of the Sounds dialog, but no actual output is observed. You're not thinking about what you're asking. Where did you expect to hear the sound? If your driver is the default audio driver, and your driver is not driving any physical speakers, how would the sound reach your ears? -- Tim Roberts, timr@xxxxxxxxx Providenza & Boekelheide, Inc.