##### Asked by: Derek Reynolds

## How do you find the fundamental frequency from the spectrum?

*The first step is to identify each individual frequency from your function. So for this case my frequencies are 4 2 and 18 so in other words they are the constant. That is multiple time with T.*

## What is the formula to find fundamental frequency?

The fundamental frequency is calculated using the formula **f = v/2*L** where v is the speed of the sound wave, and L is the length of a tube or device the wave is traveling through.

## What is the fundamental frequency of a sound wave?

The fundamental frequency is **the lowest frequency present in the sound wave** and is associated with the note’s name in a musical score. For example, the fundamental frequency of middle C is approximately 262 Hz, no matter what (properly tuned) instrument produces the note.

## How do you find the fundamental frequency of a harmonic?

**Harmonics are integer multiples of the fundamental frequency**. For example, if the fundamental frequency is 50 Hz (also known as the first harmonic) then the second harmonic will be 100 Hz (50 * 2 = 100 Hz), the third harmonic will be 150 Hz (50 * 3 = 150 Hz), and so on.

## How do you find f0 on a spectrogram?

Another way to find the fundamental frequency is to **go to the “Pitch” menu above and select “Show Pitch.” A blue line will appear on your spectrogram.** **Click on one of the blue dots located near the midpoint of your vowel**. The fundamental frequency will be displayed in Hertz on the right side of the spectrogram.

## When the fundamental frequency of a sound is 110 Hz what is the second harmonic in this harmonic series?

For example, does a 220Hz vibration, a 2nd harmonic which exists only because someone banged on a piano string that sounded a 110Hz fundamental, have its own second harmonic that is **440Hz**, a third harmonic, etc.

## Is fundamental frequency the same as natural frequency?

**For a pendulum/tuning forks, the fundamental frequency is the same as the natural frequency**. Natural frequency pertains to a resonant system, refers to any resonant frequency of the system. Fundamental frequency, or simply frequency, is sometimes used to refer to the natural frequency with the highest amplitude.

## Is fundamental frequency the same as resonance frequency?

**The lowest resonant frequency of a vibrating object is called its fundamental frequency**. Most vibrating objects have more than one resonant frequency and those used in musical instruments typically vibrate at harmonics of the fundamental.

## What is the fundamental frequency F0?

The fundamental frequency or F0 is **the frequency at which vocal chords vibrate in voiced sounds**. This frequency can be identified in the sound produced, which presents quasi-periodicity, the pitch period being the fundamental period of the signal (the inverse of the fundamental frequency).

## How do I get F0 praat?

(1) **Launch Praat and open the file containing the utterance whose F0 contour you wish to measure, by selecting Read from File… from the Read menu**. A corresponding Sound should appear in the list of Praat Objects. (2) Select the sound from the list of objects and click on Edit.