Converting stereo jacks to USB makes it possible to connect different electronic devices together, such as a computer to a stereo. The simplest way to complete the conversion is with an adaptor cable known as a USB audio interface. This is a plug-and-play device, meaning that no special software or installation is necessary to convert the audio signal. All the conversion electronics are built into the adaptor cable.
Disconnect stereo and USB cables from any electronic devices before connecting the cables to the USB audio interface.
Plug one end of a USB cable into the USB port on the interface device. The arrow on the cable plug must be facing up.
Insert the two plugs on one end of a stereo cable into the audio jacks on the other side of the USB audio interface. The white plug connects to the left audio channel. Red connects to the right.
Connect the two plugs on the other end of the stereo cable to the audio outputs of a stereo device, such as a receiver or CD player.
Connect the free end of the USB cable to a USB port on a computer or other device that supports USB.
Disconnect the cables from electronic devices while plugging in the adaptor cord to prevent a power surge that could harm the components.