Tune It Tune.It为一款用你的PC机麦克风或直接从声卡输入帮助你对你的乐器调音的软件.

TUNE!IT is a program designed to tune musical instruments by using a microphone or directly connecting your instrument to the PC's sound card. It features :

chromatic tuner with automatic pitch detection
fine tuning up to 1/10 of a cent accuracy
customizable piano keyboard
harmonic analysis to view partials
spectrum in 2 or 3 dimensions
wave form display
reference tone
customizable library of historical temperaments
custom tuning to set up special instrument tunings using offset and partials
edit temperaments and tunings using Notepad
melodic ear training to improve your musical listening skills
alternative input from WAV files
automatic calibration facility
calibrate sound card and reference pitch via an external reference sound
hum filter