Sony ECM-999 Professional Microphone Recommendations

The Mild-Side system is employed to give excellent sound image and faithful stereo sound reproduction with less "hole in the middle". The directive angle between the left and right channels can be changed progressively from 0?? (monaural) to 150?? according to the sound source. Mid-Side system: The sum of signals of the mid microphone unit (uni-directional) and side microphone unit (bi-directional) and the difference between them are used for R and L channels respectively.