Adam Dean Ellis

If you have spent any time at all investigating the various stereo microphone techniques you have undoubtedly come across the concept of M/S recording. The technique requires one cardioid mic and one bidirectional, or figure eight, mic. The microphones are placed so that there are three “lobes”, two focused to the sides ( the figure eight mic), and one focused forward ( the cardioid), and fits in between the side lobes, e.g. mid.

Here is a picture borrowed from electronic musician.

The stereo image is produced by manipulating the phase differences and similarities between the two sources.  But first, lets dig into our knowledge of basic acoustics and remember that Read more…