On Thu, 2012-07-26 at 21:51 +0800, grprd wrote: > Hello, > > i need implement driver for sound card (virtual). it should provide audio device to applications to use for audio o/p. > package audio data stream transmit it over network. here audio device ll be in LAN. Driver should capable of detecting it. > Supporting protocol UPnP / AVB(audio video bridging). > So my question is pulse audio already support this? if yes how I can use that. PulseAudio can discover remote sound cards that are published by other PulseAudio instances in the LAN. PulseAudio uses the mDNS/DNS-SD protocol for the discovery. I'm not familiar with AVB (I can't even find anything with google), but if it's some protocol that you must use, that's not currently supported. -- Tanu