Features: Ability to play compressed wav or dct files. Variable speed (constant pitch) playback. Can use computer rudder pedals (or some other specialist transcription pedals) to control playback. Ability to Dock portable recorders to load recordings. Uses systemwide HotKeys so you can control playback when using other software (eg. Microsoft Word). Automatically receives and loads files by internet (FTP), email or over a local computer network. Automatically sends typing to the person who dictated the work. Express Scribe is free.