Due to the improvement and upgrade of the third generation motherboard, there may be fewer and fewer built-in sound cards in the market, because the current motherboards do not involve large card slot PCI, so the external USB sound card has more advantages at this time. Any computer with USB interface can use an external sound card. Compared with indoor and outdoor live broadcast, the external sound card has the inherent advantages of portability and mobility, so it is the first choice for anchor friends at present.

Sound cards can be roughly divided into two types: built-in sound cards and external sound cards. According to the equipment, it can be divided into mobile phone sound card and computer sound card, according to the purpose of sound card, it can be divided into recording sound card and entertainment sound card, and according to ASIO, it can be divided into hardware ASIO sound card and virtual ASIO sound card.