ECHOCAPS_DIGITAL
pCapabilities->dwBusOutCaps[i] |= ECHOCAPS_DIGITAL;
pCapabilities->dwPipeOutCaps[i] |= ECHOCAPS_DIGITAL;
pCapabilities->dwPipeInCaps[i] |= ECHOCAPS_DIGITAL;
pCapabilities->dwBusInCaps[i] |= ECHOCAPS_DIGITAL;