This is the drivers which improve the physical sound card drives. This software add the icon of it on the screen of the desktop to move from one to other like virtual or physical audio cards on operating system such as windows 7 and xp.
Another type of this card is sound card emulator which is used in our system and working like real one.
This is also used for the record or changes a broadcast all sounds in our system.
Virtual sound card drivers can records the Skype voice with other person and mix our voice for spreading too.
Virtual sound cards are used in each and every personal computer for the purpose of the songs playing the songs can be audio format only.
In short this driver helps for making the excellent improvement for physical sound card.