Native audio effects include DeHummer, Speech Volume Leveler, Surround Reverb and DeEsser for 5.1 surround projects. You can produce audio results more quickly with a sensible interface and efficient audio engine that can handle multiple core effects, edit multiple sessions and save and open files. The number of audio tracks is only limited by the capacity of your CPU not the program. It includes new features such as automatic speech alignment, control surface support and clip stretching on real time. It can also run on Mac OS X 10.6.8 or 10.7 and 10.8 Mountain Lion. It runs on Windows XP SP3, 7 with SP1 and 8. It provides you with the utilities for restoration, editing, mixing and effects for your sound. Cool Edit Pro is a product of Syntrillium Software that has been absorbed by Adobe Systems Incorporated, and rebranded it as Adobe Audition.