Piano Tuner is a 12-note chromatic scale strobe tuner application that utilizes sound input devices such as built-in microphone, line in, and iSight.
Strobe tuners are extremely accurate compare to regular tuners with a needle or LEDs.

Piano Tuner can be used by someone who wants to learn how to tune a piano by using a tuning lever and also be used by a professional piano tuner to help the tuning process.

Here are some key features of "Piano Tuner":

￭ Tuning: 12-note chromatic scale.
￭ Temperaments: Customizable (±50 cents). Supports Scala Scale (.scl) files.
￭ Stretch: Customizable (±50 cents).
￭ Meters: strobe, cent, and hertz.
￭ Range: 9 octaves. C0 (16.352Hz) - B8 (7902.133Hz).
￭ Accuracy: ±0.1 cent with the cent readout. ±0.1 cent @ 440Hz with the strobe tuning meter.
￭ Calibration: 349.000 - 499.999Hz (0.001Hz steps).
￭ Display: 88-key piano keyboard.
￭ Sound Back: plays the pure tone (sine wave) at the ideal pitch.


Limitations:

￭ Registration Reminder.


Requirements:

￭ Mac OS X 10.2 or later
￭ Audio input device (built-in microphone, line-in, iSight, etc.) for the strobe tuner
￭ Audio output device (built-in speakers, headphones, etc.) for the Sound Back feature.