KRESEARCH KR-Imager STRKR Imager STR is a superb quality stereo image enhancer audio plug in with unique processing capabilities. In a conventional stereo imager enhancer design the input audio signal is divided into a very small number of frequency bands using time domain filters which are then used to distribute the filtered results to the left and right stereo audio channels. KR Imager STR uses a frequency domain engine which divides the signal in hundreds of individual