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Within the normal range of hearing, the higher the frequency (number of vibrations per second) the higher the perceived pitch. Frequency is a physical characteristic and pitch is a psychological characteristic.
It is the element helium, symbol He. The change in sound is because helium is much lighter than air and thus the speed of sound in helium is much faster than the speed of sound in air. This change in the speed of sound retunes the resonant chambers in the vocal tract to a higher frequency, making the voice sound "chirpy" while the helium is present.
The speed of sound varies with the density of whatever it travels through. Something less dense than air means a faster relative speed of sound, something more dense means a slower relative speed of sound. The slower sound moves, the lower we perceive it's pitch, the faster the speed, the higher the perceived pitch. Vocal chords stretch and tighten to make sounds of different pitches. If you replace the air (Nitrogen-Oxygen mix) with something LESS dense like Helium (1/6th the density of air) then the sounds made by the vocal chords working exactly the same as they did in air, will have a higher apparent pitch because the sonds they make move faster through helium than they do through air. Please note, the vocal chords are NOT moving any faster than they do in air. So with something more dense than air (like xenon about 4 times more dense, or even better Sulfur Hexafluoride about 16 times more dense than air and 40% more dense than water!) the sound will have an apparently lower pitch, because the sound made by the vocal chords will move more slowly through the denser gas and so have a LOWER perceived pitch.
Altos are considered a low to mid-range vocal range in choral music. They often sing the harmony part that falls between sopranos and tenors.
"Pitter patter" is the patter of little feet -- the word "patter", as in vocal "patter" can also be the sound of little feet moving. So, Pitter-patter means "Let's get moving." It is a phrase used usually for childern. To "get to it" is to get something done promptly. Adding the gender and the contraction we get "Get at 'er." This is slang for "Get to it." So -- "Pitter patter, let's get at 'er" means "Move you're feet and get to it!" with a slightly silly rhyme.
The sound made by vocal cords is called the voice or vocalization. It is produced when air passes through the vocal cords in the larynx, causing them to vibrate and create sound.
unvoiced
Vocal distortion effects can add depth and texture to a music track, making the vocals sound more dynamic and interesting. This can help the vocals stand out in the mix and create a unique sound that enhances the overall quality of the track.
Unlike mammals, birds do not have vocal chords, but instead possess a vocal organ called a syrinx (below the bird's larynx). The walls of the syrinx vibrate to produce sound.
Vocal panning can be used in a mix to create a sense of space and depth. By placing vocal tracks at different positions in the stereo field, such as slightly to the left or right, it can make the vocals stand out and sound more dynamic. This technique can help prevent the vocals from getting lost in the mix and improve the overall clarity and balance of the sound.
In English grammar, pitch refers to the highness or lowness of a sound. It is the relative level of sound determined by the frequency of vibrations produced by vocal cords in speech.
That is 'vocality'.See the related link(s) listed below:
The thin strips of tissue in your larynx are called vocal cords. They are essential for producing sound when air passes through them and causes them to vibrate.
Giraffes have no vocal cords, hence they do not make any sound.
The vocal cords, when you talk or sing, chop the air coming out of you lungs. If you want the sound to be higher, the vocal cords will tighten. When you want the sound to be deeper, the vocal cords will relax. If you want more information, go onto YouTube and search "Vocal Cords".
The vocal cords in the larynx (voice box) produce sound in humans. When air passes through the vocal cords and causes them to vibrate, sound is created.
vocal cords create your voice by vibrating, and in so doing, they alter the pressure of the air at audio frequencies. We call this variation in air pressure Sound.