Chromatic multi-temperament instrument tuner: use your computer as an advanced instrument tuner. Works with almost any instrument. Short response time, great range (C1..C10) and high precision (<0.1 Hz up to ~C8). Automatic and manual modes. Reference tone option. 'Beat tone' option - tune without looking at the computer screen! Full screen mode option (easily readable). Supports more than 30 different temperaments, from historic tunings such as pythagorean, meantone, just, or well tempered tunings, to the modern day equal temperament tuning. You can select the root key for all tunings as well as add octave stretching if you want! You can add your own custom scales and temperaments! Optional real-time spectrum analyzer graph. Note hold time control - good for instruments that produce very short tones. Optional calibration of input noise level, pitch master, microphone type and low frequency filtering. Optional MIDI input & MIDI output, and much more.