834 Piano Tuner is a 12-note chromatic scale strobe tuner application that utilizes audio 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. The slightest difference between the actual pitch and the ideal pitch accumulates over time and appears as a movement on the strobe tuning meter.

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.

NOTE: A piano requires tuning, voicing, and regulation at least once a year by a professional piano tuner in order to keep it in a good condition.

Features:
• Tuning: 12-note chromatic scale.
• Temperaments: Customizable (±50 cents). Supports Scala scale (.scl) files.
• Stretches: 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 reference tone (sine, triangle, sawtooth, or square wave) at the ideal pitch.

New in version 1.4:
• Added Intel Mac support (Universal Binary).

System requirements:
Mac OS X 10.2 or later.

System support:
PPC/Intel

$99 Shareware

For more information, visit:
http://www.katsurashareware.com/

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