This item is sold and shipped as a download card with printed instructions on how to download the software online and a serial key to authenticate. FLUX:: Session Analyzer is a stand-alone application taking its audio samples from ASIO and Core Audio hardware I/O or via the SampleGrabber plugin for simple integration with DAWs and Digital Mixing Consoles. This is the next generation real-time analyzer system. It provides a comprehensive range of analyzer options for any kind of imaginable audio analysis and measurement, this now includes loudness metering too. This new version includes EBU R128 / PLOUD with fully customizable metering history and offline metering stats.