About Chromatia Tuner: Chromatia tuner allows you to use your computer as an advanced instrument tuner with short response time, a large tuning range, and good precision. It supports more than 30 different temperaments, historic as well as modern! You can also add your own scales. Features include a beat tone option (tune by ear!), report mode, full screen mode, calibration of input noise level, microphone type, LF filtering, and optional MIDI i/o. [more]