The number of occurrences of a repeating event per unit time.

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5
votes
5answers
161 views

In Pythagorean tuning, what's the frequency of the tonic of each key?

When playing a fretless instrument (like violin), what frequency should be used to tune beginning of each key? I believe that for A major and A minor, 440Hz is the tonic. What will be the frequency ...
3
votes
3answers
145 views

How often does each interval appear in the harmonic series (relative to the fundamental)?

For practical purposes, lets assume a limited harmonic series. How many harmonics are a fifth? How many a minor third? And so on. What intervals are commonly found in the harmonic series? What ...
6
votes
2answers
130 views

How to calculate the difference in cents between a note and an arbitrary frequency?

Let's say I have the note A 440Hz and the frequency 450Hz. How do I calculate the distance in cents between that note and that frequency?
11
votes
6answers
1k views

What are the true frequencies of the piano keys?

In theory it is easy, to get the frequency of the note other than A4=440Hz you just multiply/divide 440Hz by the proper number. For example, to get A2, you divide by 4 and get A2=110Hz. I read for ...
6
votes
3answers
124 views

Predicting the rate at which intensity diminishes as frequency/note increases

I'm not sure if this is the right place to post this, so feel free to move this or delete it. I'm working on this application and I've run into a little roadblock. I noticed that as I play higher ...
15
votes
3answers
868 views

Why do certain rooms/vessels respond to specific frequencies?

Since I was a kid I was always wondering why is it that when I sing in a small room (i.e. bathroom!), whenever I touch a certain frequency, the whole room vibrates sympathetically. What are the ...