Pro Tools is a Digital Audio Workstation platform for Mac OS X and Microsoft Windows operating systems. It was developed and manufactured by Digidesign. Digidesign a division of Avid Technology. Pro Tools is similar to a multi-track tape recorder and mixer. It has other features that can only be done in the digital medium. The high-end version supports sample rates of up to 192 kHz and bit depths of 16 and 24 bit, opens WAV, AIFF, mp3, SDII audio files. It also supports QuickTime video files.