Piano tuning

（重定向自Piano tuners）

A piano tuner's most basic tools include the tuning lever (or

An illustration of beating. The sum (blue) of two waves (red, green) is shown as one of the waves increases in frequency. The two waves are initially identical, then the frequency of the green wave is gradually increased by 25%. Constructive and destructive interference results in a beating pattern in the resulting wave.

Piano tuning is the act of making minute adjustments to the tensions of the strings of an acoustic piano to properly align the intervals between their tones so that the instrument is in tune. The meaning of the term 'in tune', in the context of piano tuning, is not simply a particular fixed set of pitches. Fine piano tuning requires an assessment of the vibration interaction among notes, which is different for every piano, thus in practice requiring slightly different pitches from any theoretical standard. Pianos are usually tuned to a modified version of the system called equal temperament (see: Piano key frequencies, for the theoretical piano tuning).

单词	Piano tuners
释义	Piano tuners 原声例句欧·亨利小说精选集 " One of our piano tuners lives in this house, " he said. " I knocked at your door by mistake." “我们的一位钢琴调音师就住在这所房子里，”他说。 “我错敲你的门了。” 英语百科 Piano tuning （重定向自Piano tuners） Piano tuning is the act of making minute adjustments to the tensions of the strings of an acoustic piano to properly align the intervals between their tones so that the instrument is in tune. The meaning of the term 'in tune', in the context of piano tuning, is not simply a particular fixed set of pitches. Fine piano tuning requires an assessment of the vibration interaction among notes, which is different for every piano, thus in practice requiring slightly different pitches from any theoretical standard. Pianos are usually tuned to a modified version of the system called equal temperament (see: Piano key frequencies, for the theoretical piano tuning).
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