Stereo microphone input adaptor for PC:

There are occasions when it is desirable or even essential for a stereo microphone to be connected to a personal computer. Unfortunately, the microphone input of most sound cards used in PCs is monophonic. This article describes a simple adaptor to convert the mono(phonic) input into a stereo(phonic) input. It may also be used to provide a cassette deck with a stereo(phonic) microphone input.