There is no delay for Virtual Audio Streaming transferring. Our VAS is used for streaming all what you hear sounds. From your description, this is the exactly what you need.
There are a lot of audio streaming server on Internet. Besides icecast, you can also try adobe flash media server, or VLC.
All the audio servers can only stream pre-configured audio files or microphones. Our VAS adds the support for streaming all live 'what you hear' feature to this servers:
1) Install VAS and set VAS as the default sound card.
2) Select VAS virtual microphone pin in those audio streaming server.
3) Then you can use the audio client players on the remote computer to listen to the sounds.
See:
http://www.virtualaudiostreaming.net/stream-broadcast-sounds.htmlhttp://en.wikipedia.org/wiki/List_of_streaming_media_systemsTrial version of VAS(VirtualAudioStreaming) may have lag in streaming, you can buy a license to remove it.
http://www.virtualaudiostreaming.net/faq.html