How to tune a piano

1, piano tuning, simply put, is to tighten or relax the strings, so that it reaches a certain pitch (the international standard tone), that is, a small set of a tone, the vibration frequency of 440Hz as a standard, according to the twelve average law of the law of the piano debugging each tone. Piano tuning is a more complex work, if there is no skill in this area, or should look for professionals for tuning, not to adjust the tone of the piano haphazardly.

2, to the piano tuning, generally with the help of the ear to listen to the tone of the piano to adjust. The intervals commonly used in piano tuning are the same degree, octave, fourth and fifth. Not only from the theory to understand the characteristics of these intervals, but also from the auditory grasp of its acoustic characteristics. Tuning is to rely on listening to the beat to determine whether the interval is accurate. Generally speaking, it is easier to listen to the same degree and octave, and more difficult to listen to the fourth and fifth.

3, in addition to relying on the ear to listen to the sound, but also need to know the structure of the piano. The piano is divided into treble, alto, bass. There are three strings corresponding to a tone in the treble clef, two in the alto clef, and one in the bass clef. Generally, the tuner will tune one string of the same tone in the mid-treble clef first.

4. Piano tuning can also be done with the help of a tuner instead of the ear to hear the tone of the piano. Factory pianos are usually tuned with a tuner, and the human ear is used to adjust the final tone.

5, tuning is generally used in the "four, five degree cycle method", the procedure is: first from the middle group of A tone, and A tone 440HZ tuner or standard tuning fork for tuning. A tone tuned to begin to octave expansion. After the midrange group is tuned, the bass group is tuned. The bass group is tuned in the same way as the alto group, using the alto group as a standard and pressing chromatic scales in octaves. After the octave is in tune, progress to fifths and fourths. Finally tune the treble group.