Ivie - Real Time Audio Analyzers Ivie Technologies has provided real time audio analyzers, spl meters, and commercial audio electronics for nearly 30 years. Ivie manufactures automatic mixers, analog and DSP signal processors, room combining and matrix mixers, and audio test equipment for just about any customer application. Now Available: LEQ for the IE-35 and IE-45 Download: Software Downloads Update: 16 Apr 2007 - New Software and Accessories Available ! STI-PA Go to the STI-PA software page to read more and Software Downloads for latest downloads. NEW IE-5P Precision Microphone Preamplifie