Most desktop and laptop computers still have one input and one output source. This type of interfacing equipment enhances sound and makes transfer easier. Using an analog/digital audio converter, a computer can change analog signals sent from microphones or speakers into digital formats that you can edit with that computer. Instead of bulky systems full of cords, DJs and musicians need only to plug in a USB audio interface to master audio levels. Learning About Computer Audio Interfaces (for PC and MAC)Īudio interfaces and sound cards have made great strides since they were first used by musicians.