A typical piano has 88 keys:
- black – 36;
- whites – 52.
The keyboard begins with “la” of an incomplete subcontroctave consisting of 3 notes, and ends with “to” the fifth octave, which is limited to this note. The current standard dictates that each instrument has 88 keys. Since the mid 70s. of the last century, mass production of such pianos began. Until that time, there were 85 – that’s how many keys a piano has. The 5th octave was completely absent in it , the 4th did not have all the keys: there were 10 keys with the last “la”. Instruments produced before the mid-70s had 7 octaves.
How many keys does the piano have
This musical instrument contains 88 keys divided into octaves – this number is in line with the standard, which you need to pay attention to when buying. In a standard piano, the first note is “la”, denoting the most rough and dull sound for human perception, and the last – “do” – the limit of the highest sound.
It is difficult for a novice musician to master such a wide range at first, but the tonality of the instrument allows you to choose full-sounding combinations of notes.
From the black and white 88 keys arranged at the piano, an acceptable range of 16-29 kHz is created for a person: it allows you to enjoy music, enjoy listening to it. The necessary indicators are strictly controlled in the production of pianos.
One of the specifications of an electronic synthesizer is the keyboard. There are two of its parameters: the principle of sound production and dimensions. According to the parameters, educational or full-size keyboards are distinguished. Based on this, synthesizers with a number of 32-61 keys have been developed for beginners and children . Models designed for professionals have 76-88 keys.
How many white and black keys
These 88 keys form 7 octaves, consisting of 12 keys: 7 white keys (basic tones) and 5 black keys (semitones).
Two octaves are incomplete.
We determine the quantity from the photo, without counting
Comparing the right sides of the old and new 85 and 88 key keyboards reveals a significant difference. The way to determine the number of white keys is as follows: the instrument has 85 keys, if the right side begins with one white key after the black one; 88 – when the last key on the right does not have a characteristic cutout. The total number of keys is determined by black notes: if their last group contains 2 keys, this indicates the presence of 85 keys on the instrument. When instead of two there are 3 keys, then their total number is 88.
The number of keys for the piano and piano is 88 for standard modern instruments, 85 for samples produced before the 70s. XX century. Standard synthesizers have 32-61 keys, while semi-professional products have 76-88. Depending on the arrangement of white and black keys along the edge of the instrument, you can understand how many keys the piano and piano have in total.