WaveStream.dll 
http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=23144&lngWId=1


[2] DirectX (DirectSound) method

http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=55739&lngWId=1


http://iuniverse.slis.indiana.edu/tutorials/chatvis/#GraphChat

