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- To be even more specific, each key on a piano is actually tuned to a specific frequency. That means that the string inside the piano is adjusted so that it vibrates at just the right speed to create the note you want to hear. So, when you press down a key on the piano, you're actually telling it to create a specific frequency of sound.
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The following equation gives the frequency f (Hz) of the n th key on the idealized standard piano with the 49th key tuned to A 4 at 440 Hz: f ( n ) = ( 2 12 ) n − 49 × 440 Hz = 2 n − 49 12 × 440 Hz {\displaystyle f(n)=\left({\sqrt[{12}]{2}}\,\right)^{n-49}\times 440\,{\text{Hz}}\,=2^{\frac {n-49}{12}}\times 440\,{\text{Hz}}\,}
May 6, 2014 · 7 Answers. Sorted by: 10. Yes, you are correct, the "true" frequencies will differ from piano to piano. In addition to the answers already given here, I would like to add more information regarding inharmonicity. The amount of offset or "stretched tuning" for the strings of an acoustic piano will vary with the size and type of the piano.
- Yes, you are correct, the "true" frequencies will differ from piano to piano. In addition to the answers already given here, I would like to add mo...
- The figure in the Wikipedia article tells you what you are asking, if you're willing to tabulate the deviations by reading the green line. The ve...
- Are you asking this question because you're writing a synthesizer? That kind of detail will help the answer that you get... If you're working on a...
- The question is actually self-defeating. The problem is that the reason a piano gets stretched tuning in the first place is disharmonicity, meanin...
- As the question itself admits, there is no "true" mathematical answer to the question since the best tuning varies from piano to piano. But one ca...
- Just to expand on a point I think is important, and the reason I think learning frequencies is semi-useless: As supercat said in his comment @Dav...
- This chart displays the frequency of all notes: As a reference, 60 midi number = middle C on the piano. A piano has seperate strings for each note...
Piano key frequencies 2 75 b′′′ B6 1975.53 74 a♯′′′/b♭′′′ A♯6/B♭6 1864.66 73 a′′′ A6 1760.00 72 g♯′′′/a♭′′′ G♯6/A♭6 1661.22 71 g′′′ G6 1567.98 70 f♯′′′/g♭′′′ F♯6/G♭6 1479.98 69 f′′′ F6 1396.91 68 e′′′ E6 1318.51 67 d♯′′′/e♭′′′ D♯6/E♭6 ...
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Piano key frequencies explained. This is a list of the fundamental frequencies in hertz (cycles per second) of the keys of a modern 88-key standard or 108-key extended piano in twelve-tone equal temperament, with the 49th key, the fifth A (called A 4), tuned to 440 Hz (referred to as A440).
Name and frequency of the octave positions: English: A0: A1: A2: A3: A4: A5: A6: A7: A8: German,,A,A: A: a: a’ a’’ a’’’ a’’’’ a’’’’’ Frequency in Hz 27.5: 55: 110: 220: 440: 880: 1760: 3520: 7040
Logarithms of frequencies of notes on the piano. Now, moving one key along the keyboard always increases the common log of frequency by the same amount- about 0.025. The bottom line is that humans perceive musical pitch in terms of the logarithm of frequency- rather than the frequency itself.
Each key is actually designed to vibrate at a frequency that's exactly double the frequency of the key next to it. For example, let's say you press down a key on the piano that produces the note C. The frequency of that note is around 261 Hertz (Hz), which means it vibrates back and forth 261 times every second.
