Fully automatic piano tuning device and method

Abstract

The invention relates to a fully automatic piano tuning device and method, and belongs to the field of piano tuning. The device comprises a casing, a sound pickup module, a tuning rod module, a stringpressing arm module, an LCD display screen and a control module, wherein the control module is connected with the sound picking module and is used for receiving sound signals obtained by the sound pickup module, processing the sound signals, and acquiring the frequency spectrum information of the sound signals; the control module is connected with a tuning rod motor in the tuning rod module and is used for controlling the tuning rod motor to rotate; the control module is connected with a string pressing motor in the string pressing arm module, and is used for controlling the string pressing motor to rotate; the control module is connected with the LCD display screen and is used for realizing the display regulation state and instruction reminding of the LCD display screen. By the method, the device is arranged on a string shaft of a corresponding piano key in a piano; a frequency spectrum curve fitting method is used for simulating the human ear system; the similar matching is realizedon the regulation peak value curve and the standard tonality peak value curve; the high-quality piano tonality is further regulated.

Description

technical field [0001] The invention belongs to the field of piano tuning, in particular to a fully automatic piano tuning device and method. Background technique [0002] In today's society, with the rapid development of the economy, more and more people are beginning to pursue a more elegant spiritual life, and learning the piano has become the first choice for most people to cultivate their sentiments. The piano is composed of a large amount of wood, which is greatly affected by changes in temperature and humidity. Using a piano with an inaccurate rhythm for a long time will accelerate the aging and wear of the piano, and will also cause certain deviations in the human auditory system. Therefore, regular tuning of the piano is a key factor in ensuring the sound quality of the piano. With the popularization of piano use, people pay more and more attention to piano tuning. [0003] Most of the keys of the piano are composed of three strings, and only the keys in the lower...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a fully automatic piano tuning device and method for the problem of poor sound quality after tuning in the existing piano tuning method, which has a humanized adjustment process, convenient adjustment methods, and high-quality adjustment sound quality. A fully automatic piano tuning device that can effectively replace the tuner with the device

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