The LE8 represents a significant advance in equalization technology. The LE8, when used in an automatic Modular Audio Processor system, provides an economical solution to the problem of multiple microphone equalization and notch filtering. Each of up to eight microphones may be equalized using a four band equalizer. In addition, three variable frequency notch filters are available for each microphone. This allows all microphones to be individually optimized for best quality sound, and the feedback frequencies that are unique to each microphone position may be eliminated.
The heart of the LE8 is a sophisticated microprocessor, which controls all functions of the digitally programmed EQ and notch filters. The microprocessor also reads all user accessible controls to provide user interface. When a microphone becomes active, the appropriate EQ curve and notch filter frequencies are loaded, into the digitally programmed filters in the LE8. Since the filters in the LE8 are “time-shared” between all microphones, very sophisticated filtering can be provided at a reasonable cost.
